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Method and system for arranging link resource fragments

Method and system for arranging link resource fragments
IPC classes for russian patent Method and system for arranging link resource fragments (RU 2490806):
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FIELD: radio engineering, communication.

SUBSTANCE: method includes configuring cascade services in a link in advance; generating a preset arrangement method according to an initial channel number of occupied channel(s) in the link and a cascade number of service carried in the channel(s) (S210); a local end node that initiates a link resource arrangement notifying an opposite end node to arrange link resource fragments (S220); the local end node and the opposite end node reconfiguring a cross connection according to the preset arrangement method (S230).

EFFECT: method and system enable to re-arrange channel resources within one link and integrate the scattered channel resource fragments into complete and available resources with a broader bandwidth, thus achieving the maximum utilisation of the link bandwidth resources.

10 cl, 5 dwg

 

The technical field

The invention relates to the field of optical communications and, in particular, to method and system for streamlining fragmented resources of the communication line in an automatic switched optical network (ASON, automatic switched optical network).

The level of technology

ASON uses the control Protocol communication line LMP (link management protocol) for managing the resources of the transport channel. The functions of these genes are: the control channel, the Association of attributes of the communication line, confirm the connection of the communication line, the management of malfunctions in the communication line and the search for resources, and so forth; these functions, however, do not provide how allocates and frees resources channels of communication. When designing the system ASON can be applied some strategies resource allocation communication line; for example, for the orderly allocation of channels can be used strategy preferred selection of a small number of channels.

In addition, a transport channel in an optical network has a set of standard levels of transmission speed. The baseline signal is a synchronous transfer module STM-1 (synchronous transmission module), the corresponding speed is 155 Mbit/s Sequence of digital signals of a high level, such as 622 Mbps (STM-4) and 2.5 Gbps (STM-16), etc. may be formed palesinians multiplexing interleaved bytes in the information module low speed (for example, STM-1), while the number of multiplexing of threads is a multiple of 4, for example, STM-4=4×STM-1 and STM-16=4×STM-4, this method of separation of levels of speed is called the cascade method.

However, the allocation and release of resources transport channel cascade way inevitably fragmented resources. Further to illustrate this is a separate example. In a particular situation, first resources are utilized all 16 channels in one communication line STM-16, and then resources 12 channels, i.e. channels 1-3, 5-7, 9-11, and 13-15 16-channel communication lines are released. The employment channel resources of the communication line shown in figure 1, although the number of available resources is 12 channels, it is not enough to allocate a relatively small resource STM-4; thus, are fragmented resources of the communication line. The existence of fragmented resources lines of communication leads to serious consequences in the form of loss of bandwidth, so we need to rearrange channel resources in one communication line and to integrate disparate fragmented channel resources in the whole of the available resource with a wider bandwidth.

The invention

The aim of the present invention is a method and system for streamlining fragmented resources of the communication line, in order to rearrange to the national resources in one communication line and to integrate disparate fragmented channel resources in the whole of the available resource with a wider bandwidth, leveraging, thus, the resources of bandwidth. The purpose of the present invention is achieved by the following technical schemes.

A way of organizing the fragmented resources of the communication line, in which the pre-configured cascading services includes:

create the specified arrangement in accordance with the initial channel number of the employed channel or channels of the communication line and a pre-defined number of cascade service transferred to the channel or channels;

notice the local end node that initiates the ordering of the resources of the communication line, the opposite end of the local host on the need to streamline the fragmented resources of the communication line; and reconfiguration of the cross-connection of the local end node and the opposite end node in accordance with the specified arrangement;

so is ordering fragmented resources of the communication line by configuring the pre-configured cascading services line.

The step of reconfiguring the cross-link local end node and the opposite end node in accordance with the specified arrangement includes:

if the communication line carrying cascade services, is the defensive line, symmetrical switching signal, the helmet is tion service, portable engaged in the channels of the communication line carrying cascade services in a protective channel protective line and then switch the signal service of the defensive line in the modified target channel in accordance with the specified arrangement;

if the communication line carrying cascade services, does not have the defensive line, the switching signal cascade service transferred to the occupied channels, directly to the modified target channel in accordance with the specified arrangement.

The notification stage of the local end node that initiates the ordering of the resources of the communication line, the opposite end of the node about ordering fragmented resources of the communication line includes:

sending the local end node a request message on streamlining fragmented resources of the communication line, including identification of the communication line, the numbers of all channels that require regulation, all non-ordered channels and all services have been identified, the opposite end node, and the pause signal receiving services opposite end node in channels subject to ordering, in accordance with the request message about ordering fragmented resources link.

The step of creating the specified arrangement in accordance with the initial channel number of busy channels or ka is Alov communication line and a given number of cascade service portable channels includes:

creating a first list of dyadic arrays by assigning array elements starting channel number of the employed channel or channels of the communication line, and the number of cascade service transferred to the channel or channels;

creating a second list dyadic arrays from the first list dyadic arrays according to the predetermined rule changes;

reordering the first list dyadic arrays in accordance with the second list dyadic arrays;

select the channel or channels corresponding to the array element in the second list dyadic arrays, as the target channel or channels for a busy channel or channels corresponding array element in the reordered first list dyadic arrays.

In addition, the step of creating a first list of dyadic arrays by assigning array elements starting channel number of the employed channel or channels and the number of cascade service transferred to the channel or channels, includes:

check rooms cascade service transferred to the occupied channel or channels, in order from the lowest sequence number of the channel to a greater sequence number, channel, and recording the dyadic arrays corresponding to all occupied channels, and the value of the first element of dyadic array is started the tion sequence number of the channel busy channel or channels, and the value of the second element is the number of cascade service transferred to the occupied channel or channels; and

ordering dyadic arrays in accordance with the non-decreasing order of the number of cascade to create the first list dyadic arrays

In addition, the steps for creating a second list dyadic arrays from the first list dyadic arrays according to the predetermined rule changes and reordering of the first list dyadic arrays in accordance with the second list dyadic arrays include:

select all the second elements in the first list dyadic arrays as all the second elements in the second list dyadic arrays;

configuring the first element in the second list dyadic arrays, starting with the lowest sequence number of the target channel, and the next value of the first element becomes the previous value of the first element plus the value of the second element corresponding to the previous first element; and

the dyadic permutation arrays from the first list dyadic arrays, which are the same as the dyadic arrays in the second list dyadic arrays at the corresponding position in the second list dyadic arrays.

In addition, the step of selecting the channel or channels corresponding array element in the second list dyadic arrays as the target channel or channels for a busy channel or channels, the corresponding array element in the reordered first list dyadic arrays includes:

if the first list dyadic arrays has the same dyadic array in the second list dyadic arrays, no reconfiguration of the cross-connection;

if the first list dyadic arrays do not have a matching dyadic array in the second list dyadic arrays, defining a channel corresponding to the value of the first element in the second list dyadic array as the target channel to reconfigure the cross-connection.

System to organize fragmented resources of the communication line includes the nodes and the line of communication between these nodes, and reconfigured using a cascade of services, and the system also includes:

the block of the given arrangement, configured to make a local end node that initiates the ordering of the resources of the communication line, to create the specified arrangement in accordance with the initial channel number of the employed channel or channels of the communication line and a pre-selected number of cascade service transferred to the channel or channels;

the synchronization unit information about the ordering fragmented resources, configured to make a local end node that initiates the KJV is agacerie resources of the communication line, notify the opposite end node on the need to streamline the fragmented resources of the communication line, simultaneously forcing the local end node that initiates the ordering of the resources of the communication line to send the specified arrangement from the opposite end node; and

the configuration block cross connection configured to cause the local end node and the opposite terminal node to reconfigure the cross-connection in accordance with the specified arrangement.

The block of the predetermined arrangement includes:

the unit creating a first list of dyadic arrays, designed to create a first list of dyadic arrays by assigning array elements starting channel number of the employed channel or channels and the number of cascade service transferred to the channel or channels;

block create a second list dyadic arrays, designed for converting the first list dyadic array in the second list dyadic arrays according to the predetermined rule changes;

the unit changes the first list dyadic arrays designed for reordering the first list dyadic arrays in accordance with the second list dyadic arrays; and

the block of the target channel that is designed to SEL the RA channel or channels, the corresponding array elements in the second list dyadic arrays, as the target channel or channels for a busy channel or channels corresponding to the array elements in the reordered first list dyadic arrays.

The block of the target channel also includes:

block comparison of dyadic arrays, designed to compare the first list dyadic arrays and the second list dyadic arrays in order to determine whether the first list dyadic arrays the same dyadic arrays, and that the dyadic arrays in the second list dyadic arrays; and

the definition block of the target channel, determines that the reconfiguration of the cross-connection is not performed, in accordance with the result of comparison performed by the Comparer, or defining a channel corresponding to the value of the first element in the second list dyadic arrays, as the target channel to reconfigure the cross-connection.

Using the method and system of the present invention, the function of ordering fragmented resources lines of communication that support cascading services can be added to the system ASON, and this function can be activated on demand to reorder channel resources of the communication line, so that the scattered fragmentary channel resources were multi is arranged in the whole of the available resource with a wider bandwidth, to achieve, thus, maximize the use of bandwidth.

Brief description of drawings

Figure 1 is a schematic diagram of the example according to the prior art.

Figure 2 is a schematic diagram of the algorithm of how to organize the fragmented resources of the communication line in accordance with the first embodiment of the present invention.

Figa is a schematic diagram of the initial state of resources of the communication line in the arrangement fragmented resources of the communication line in accordance with the second embodiment of the present invention.

Fig.3b is a schematic diagram of the process of creating an ordered list of the dyadic arrays in the way of organizing the fragmented resources of the communication line in accordance with the second embodiment of the present invention

Figs is a schematic diagram of the process of reconfiguring the cross-connection arrangement fragmented resources of the communication line in accordance with the second embodiment of the present invention

Figa-4E are schematic diagrams of a switching services in the arrangement fragmented resources of the communication line in accordance with a third embodiment of the present invention.

5 which is a diagram of the structure of the system to organize the fragmented resources of the communication line in accordance with the fourth embodiment of the present invention.

Preferred embodiments of the present invention

Method and system for streamlining fragmented resources of the communication line in ASON presented in this invention will be illustrated in more detail by the following description in conjunction with the attached drawings and options

Figure 2 is a schematic diagram of a flowchart of a method of ordering fragmented resources of the communication line in accordance with the first embodiment of the present invention, where the initial state is configured link STM-N, and in this line are x1x2, ......, xm(where 0<x1<x2<......<xm<N+1) resources channels.

The stages of ordering fragmented resources of the communication line are:

S210 - create a given arrangement in accordance with the initial sequence number of the channel busy channel or channels of the communication line and a pre-defined number of cascade service transferred to the occupied channel or channels;

S211 - creation of the first list dyadic arrays by assigning array elements starting sequence number of the channel busy channel or channels of the communication line, and the number of cascade service transferred to the occupied channel or channels;

in this first checks the number of cascade service transferred to the employed population channels, in order from smallest sequence number of the channel to a greater sequence number, channel, and recording the dyadic arrays corresponding to all occupied channels, and the value of the first element of dyadic array is the initial ordinal channel number of occupied channels, and the value of the second element is the number of cascade service (where the number of cascades accepted for STM-1 is equal to 1), portable engaged in the channels, and the value of the first element and second element are referred to as dyadic array (xkck); and then in accordance with the non-decreasing order of the number of cascade dyadic arrays are ordered to create the first list dyadic arrays (y1c1), (y2c2)......(yrcr) (where c1≥c2≥......cr), where y1, y2, ......yrrepresent the sequence number of the channels after ordering the dyadic arrays. Unchanged or changing the ordering algorithm or other algorithms can be used to execute the above ordering in specific examples, which does not affect the implementation of the present invention;

S212 - the first dyadic array generates a second list dyadic arrays (z1c1), (z2c2)......(zrcr) according to a defined rule changes (e.g., z1=1, z is the z 2=z1+c1......zr=zr-1+cr-1);

at this stage of creating the first list dyadic arrays of the second list dyadic arrays in accordance with a specified rule changes specifically includes: first, select all the second elements in the first list dyadic arrays as all the second elements in the second list dyadic arrays; and then configuring the first element in the second list dyadic arrays, starting with the lowest sequence number z1target channel, and the next value of the first element becomes the previous value of the first element plus the value of the second element corresponding to the previous first element;

S213 - reordering of the first list dyadic arrays according to the second list dyadic arrays;

while the dyadic arrays in the first list dyadic arrays, which are the same as in the second list dyadic arrays are passed on to the relevant items in the second list dyadic arrays;

S214 - selection channels corresponding to the array elements in the second list dyadic arrays, as the target channel for busy channels corresponding to the array elements in the reordered first list dyadic arrays;

in this case, if the first list on the adic arrays has the same dyadic arrays in the second list dyadic arrays, changes in the configuration of the cross-connections are not made, then there are services resource channels yk...yk+ck-1 not operate and maintain their status prior to reordering, unchanged; and if the first list dyadic arrays do not have a matching dyadic array in the second list dyadic arrays, that is the definition of a channel corresponding to the value of the first element in the second list dyadic arrays, as the target channel to reconfigure the cross-connection, i.e. switching services from the initial channel resources yk...yk+ck-1 in channel resources zk...zk+ck-1.

S220 - local end node that initiates the ordering of the resources of the communication line, produces a notification opposite end of the node about ordering fragmented resources of the communication line;

the local end node sends a request message on streamlining fragmented resources of the communication line, including identification of the communication line, the numbers of all channels that require regulation, all non-ordered channels and all services have been identified, the opposite end node, and the opposite end node stops receiving signals services in channels subject to ordering, in accordance with the community is the group of query.

S230 - local end node and the opposite terminal node produce reconfiguration cross-connections in accordance with the specified arrangement;

in this case, if the communication line carrying cascade services, has a protective line is symmetrical switching signals a cascade of services that are carried in the occupied channels of the communication line, in a protective channel protective line and then switch the signal from the protective channel in the modified target channel in accordance with the specified arrangement;

if the defensive line is no, then switches the signal cascade of services from a busy channel of the communication line directly to the modified target channel in accordance with the specified arrangement.

Figa is a schematic diagram of the initial state of resources of the communication line in the arrangement fragmented resources of the communication line in accordance with the second embodiment of the present invention. In the transport channel STM-16 resource STM-1 selected 1-th channel, the resource STM-4 selected 5-th channel, the resource STM-1 dedicated 11-th channel, and resource STM-4 dedicated 13-th channel, and the communication line remains six channel resources. However, because of the fragmentation of resources there is no possibility to allocate another resource STM-4, and should organize fragmented resources link.

Fig.3b is what I schematic diagram of the process of creating an ordered list of the dyadic arrays in the way of organizing the fragmented resources of the communication line in accordance with the second embodiment of the present invention.

k=1, checks the allocated resource of the 1st channel, its speed is equal to STM-1, is created dyadic array (1, 1) and is placed in the first empty array list line k=k+1;

k=2, checks the allocated resource of the 5-th channel, its speed level STM-4, creates a dyadic array (5, 4), is placed in a list of arrays of line and ordered, k=k+4;

k=6, it is checked the selected resource 11th channel, level, speed STM-1, is created dyadic array (11,1), is placed in a list of arrays of line and ordered, k=k+1; and

k=7, checked the allocated resource of the 13-th channel, the speed level STM-4, creates a dyadic array (13, 4), is placed in a list of arrays of line and ordered, k=k+4.

After checking all of the used channels is obtained a list of one dyadic arrays, in which the second element of the array is ordered from highest to lowest: (5, 4), (13, 4), (1, 1) and (11, 1), and, in accordance with a specified rule changes, creates a list of two dyadic arrays: (1, 4), (5, 4), (9, 1) and (10, 1);

in accordance with the list of two dyadic array list one dyadic arrays is changed as follows: (13, 4), (5, 4), (1, 1) and (11, 1).

Figs is a schematic diagram of the process of reconfiguring the cross-connection arrangement fragmented resources of the communication line in accordance with a second embodiment of the OS which implement the present invention. Defensive line shown on the left and already carries practical signals services and the final ordered state of a resource of the communication line is shown to the right; and it should be noted that the local end node that initiates the ordering of the resources of the communication line, notifies the opposite end node on streamlining fragmented resources of the communication line. Two ends of the communication line perform, respectively, the following specific ordering:

k=1, takes the first dyadic array (13, 4) in the generated list of one dyadic arrays and the original signal service STM-4 13-th channel in the defensive line switches to channel resource STM-4 in the initial position of k-th (k=1) channel link-local, k=k+1;

k=2 is the second dyadic array (5, 4) in the generated list of one dyadic arrays and, as the same dyadic array (5, 4) is present in the generated list dyadic arrays, the original signal service STM-4 5-th communication channel in the defensive line does not switch and remains unchanged, k=k+1;

k=3 is the third dyadic array (1, 1) in the generated list of one dyadic arrays and the original signal service STM-1 1-St communication channel in the defensive line switches to k-th (k=9) channel link-local, k=k+1;

k=4 is the fourth dyadic array (11, 1) in the generated list of one dyad is static arrays and the original signal service STM-1 11-th channel in the defensive line switches to k-th (k=10) channel in a local communication line, k=k+1.

k=5, all the dyadic arrays processed, and streamlining fragmented resources of the communication line is completed; then the lines of communication remain available resources of six channels, however, can be highlighted another cascading resource STM-4.

Thus, in the method proposed in the present invention, isolated fragmentary channel resources can be integrated in a continuous accessible resource with a wider bandwidth in order to maximize the resource utilization of bandwidth.

Figa-4E are schematic diagrams of a switching services in the arrangement fragmented resources of the communication line in accordance with a third embodiment of the present invention. The left rectangle is the local end node and the sender of the signal service, and the right square is opposite the end node and the receiver of the service, and the solid lines of the same length and two equal opposite sides indicate each of the channels in one communication line, and the dotted lines with arrows indicate the cross-connection. The signal switching services includes the following steps:

1. As shown in figa, the local end node sends a request message on streamlining fragmented resources of the communication line, opposed the WMD end-node, the request message includes an identification of the communication line, the numbers of all channels that require regulation, all non-ordered channels and identification services;

2. As shown in fig.4b opposite end node decides to make an immediate ordering and sends a response message indicating that the ordering is allowed, the local end node and holds the signal receiving services in channels subject to ordering;

3. As shown in figs, after receiving the local end node positive response to the request, the local end node performs the reconfiguration of cross-connections in all channels, subject to ordering, in accordance with the arrangement;

4. As shown in fig.4d, after the local end node performs switching services, the local end node sends a message about successfully switching services to the opposite end node;

5. As shown in figa, after the opposite end node receives a message about successfully switching services from the local end node, the opposite end node reconfigures the cross-connection in accordance with the information request message about the ordering fragmented resources of the communication line, thus completing the switching of the services, and the emphasis is docena fragmented resources link.

Figure 5 is a schematic structural connection system for ordering fragmented resources of the communication line in accordance with the fourth embodiment of the present invention. System to organize fragmented resources of the communication line includes the nodes and the communication line, pre-configured using CSS services between nodes, and the system also includes:

the block of the given arrangement, configured to make a local end node that initiates the ordering of the resources of the communication line, to create the specified arrangement in accordance with the initial channel number of the employed channel or channels of the communication line and a pre-selected number of cascade service transferred to the channel or channels;

the synchronization unit information about the ordering fragmented resources, configured to make a local end node that initiates the ordering of the resources of the communication line, to notify the opposite end node on the need to streamline the fragmented resources of the communication line, simultaneously forcing the local end node that initiates the ordering of the resources of the communication line to send the specified arrangement from the opposite end node; and

the block configuration of the cross-connection is configured so that to make the local end node and the opposite terminal node to reconfigure the cross-connection in accordance with the specified arrangement.

In addition, the local end node sends a request message on streamlining fragmented resources of the communication line, including identification of the communication line, the numbers of all channels that require regulation, all non-ordered channels and all services have been identified, the opposite end node, and the opposite end node stops receiving signals services in channels subject to ordering, in accordance with this request.

In addition, if the communication line carrying cascade services, is the defensive line, the signal cascade of services in the occupied channels of communication line symmetrical switch in protective channels defensive line, and then the service signals of the protective switch channels in the changed target channels in accordance with the specified arrangement;

if there is no defensive line, the signal cascade service in the occupied channels switch directly to the modified target channels in accordance with the specified arrangement.

The block of the specified method further includes:

the unit creating a first list of dyadic arrays, designed to create the first list Deadites the arrays by assigning array elements starting channel number of the employed channel or channels and the number of cascade service transferred to the channel or channels;

in particular, check the number of cascade service transferred to the occupied channels, in order from the lowest sequence number of the channel to a greater ordinal channel number, and write the dyadic arrays corresponding to all occupied channels, and the value of the first element of dyadic array is the initial sequence number' one of the busy channels, and the value of the second element is the number of cascade service transferred to the occupied channels; and

ordering dyadic arrays in accordance with the non-decreasing order of the number of cascade to create the first list dyadic arrays;

block create a second list dyadic arrays, designed for converting the first list dyadic array in the second list dyadic arrays according to the predetermined rule changes;

in particular, the choice of all the second elements in the first list dyadic arrays as all the second elements in the second list dyadic arrays, and the configuration of the first items in the second list dyadic arrays, starting with the lowest sequence number of the target channel, and the next value of the first element becomes the previous value of the first element plus the value of the second element corresponding to the previous first element;

unit changes the first list dyadic arrays, which is connected with the block of the first list dyadic arrays and is used for reordering the first list dyadic arrays in accordance with the second list dyadic arrays;

in particular, the dyadic arrays in the first list dyadic arrays, which are the same as in the second list dyadic arrays are moved to the corresponding position in the second list dyadic arrays.

The block of the target channel is used to select the channels corresponding to the array elements in the second list dyadic arrays as one of the target channels among the employed channels corresponding to the array elements in the reordered first list dyadic arrays.

The block of the target channel also includes:

block comparison of dyadic arrays, designed to compare the first list dyadic arrays and the second list dyadic arrays in order to determine whether the first list dyadic arrays the same dyadic arrays, and that the dyadic arrays in the second list dyadic arrays; and

the definition block of the target channel, determines that the reconfiguration of the cross-connection is not performed, in accordance with the result of comparison performed by the Comparer, or defining a channel, the corresponding mn is to obtain the first element in the second list dyadic arrays, as the target channel;

in particular, if the first list dyadic arrays has the same dyadic array in the second list dyadic arrays, changes in the configuration of the cross-connections are not made; if the first list dyadic arrays do not have a matching dyadic array in the second list dyadic arrays is determined by the channel corresponding to the value of the first element in the second list dyadic arrays, as the target channel.

Thus, the present invention implements a function ordering fragmented resources of the communication line in the system ASON. The present invention may have other options for implementation. Specialists in this field can make various modifications and changes in the present invention, without departing from the invention, and all these types of modifications and changes are included in the scope of the accompanying formulas of the present invention.

Industrial applicability

Compared with the prior art, using the method and system of the present invention function ordering fragmented resources lines of communication that support cascading service may be added to the system ASON, and this function can be activated on demand to reorder channel resources of the communication line so that the scattered fragmented the anal resources were integrated into the whole of the available resource with a wide bandwidth, to achieve, thus, maximize the use of bandwidth resources.

1. A way of organizing the fragmented resources of the communication line, in which the pre-configured cascading services that includes the following steps:
create the specified arrangement in accordance with the initial channel number of the employed channel or channels of the communication line and a pre-defined number of cascade service transferred to the channel or channels;
notice the local end node that initiates the ordering of the resources of the communication line, the opposite end of the local host on the need to streamline the fragmented resources of the communication line; and reconfiguration of the cross-connection of the local end node and the opposite end node in accordance with the specified arrangement;
so is ordering fragmented resources of the communication line by configuring the pre-configured cascading services line.

2. The method according to claim 1, wherein the step of reconfiguring the cross-link local end node and the opposite end node in accordance with the specified arrangement includes:
if the communication line carrying cascade services, is the defensive line, symmetrical switching signal cascade service transferred to the occupied channels Lin and communication carrying cascade services in a protective channel protective line and then switch the signal service of the defensive line in the modified target channel in accordance with the specified arrangement;
if the communication line carrying cascade services, does not have the defensive line, the switching signal cascade service transferred to the occupied channels, directly to the modified target channel in accordance with the specified arrangement.

3. The method according to claim 2, in which the step of notifying the local end node that initiates the ordering of the resources of the communication line, the opposite end of the node about ordering fragmented resources of the communication line includes:
sending the local end node a request message on streamlining fragmented resources of the communication line, including identification of the communication line, the numbers of all channels that require regulation, all non-ordered channels and all services have been identified, the opposite end node, and the pause signal receiving services opposite end node in channels subject to ordering, in accordance with the request message on streamlining fragmented resources link.

4. The method according to claim 3, in which the step of creating the specified arrangement in accordance with the initial channel number of busy channels or the channels of the communication line and a given number of cascade service portable channels includes:
creating a first list of dyadic arrays by assigning array elements starting channel number of the employed channel or channels of the communication line, and the number of cascade service transferred to the channel or channels;
creating a second list dyadic arrays from the first list dyadic arrays according to the predetermined rule changes;
reordering the first list dyadic arrays in accordance with the second list dyadic arrays;
select the channel or channels corresponding to the array element in the second list dyadic arrays, as the target channel or channels for a busy channel or channels corresponding array element in the reordered first list dyadic arrays.

5. The method according to claim 4, in which the step of creating a first list of dyadic arrays by assigning array elements starting channel number of the employed channel or channels and the number of cascade service transferred to the channel or channels, includes:
check rooms cascade service transferred to the occupied channel or channels, in order from the lowest sequence number of the channel to a greater sequence number, channel, and recording the dyadic arrays corresponding to all occupied channels, and the value of the first element of dyadic array is the touch sequence number of the channel busy channel or channels, and the value of the second element is the number of cascade service transferred to the occupied channel or channels; and
ordering dyadic arrays in accordance with the non-decreasing order of the number of cascade to create the first list dyadic arrays.

6. The method according to claim 4, in which the steps of creating a second list dyadic arrays from the first list dyadic arrays according to the predetermined rule changes and reordering of the first list dyadic arrays in accordance with the second list dyadic arrays include:
select all the second elements in the first list dyadic arrays as all the second elements in the second list dyadic arrays;
configuring the first element in the second list dyadic arrays, starting with the lowest sequence number of the target channel, and the next value of the first element becomes the previous value of the first element plus the value of the second element corresponding to the previous first element; and
the dyadic permutation arrays from the first list dyadic arrays, which are the same as the dyadic arrays in the second list dyadic arrays at the corresponding position in the second list dyadic arrays.

7. The method according to claim 4, in which the step of selecting the channel or channels, are suitable the array element in the second list dyadic arrays as the target channel or channels for a busy channel or channels, the corresponding array element in the reordered first list dyadic arrays includes:
if the first list dyadic arrays has the same dyadic array in the second list dyadic arrays, no reconfiguration of the cross-connection;
if the first list dyadic arrays do not have a matching dyadic array in the second list dyadic arrays, defining a channel corresponding to the value of the first element in the second list dyadic arrays, as the target channel to reconfigure the cross-connection.

8. System to organize fragmented resources of the communication line, comprising nodes and links between these nodes and reconfigured using a cascade of services, including:
the block of the given arrangement, configured to make a local end node that initiates the ordering of the resources of the communication line, to create the specified arrangement in accordance with the initial channel number of the employed channel or channels of the communication line and a pre-selected number of cascade service transferred to the channel or channels;
the synchronization unit information about the ordering fragmented resources, configured to make a local end node that initiates uporabo is a group of resources of the communication line, notify the opposite end node on the need to streamline the fragmented resources of the communication line, simultaneously forcing the local end node that initiates the ordering of the resources of the communication line to send the specified arrangement from the opposite end node; and
the configuration block cross connection configured to cause the local end node and the opposite terminal node to reconfigure the cross-connection in accordance with the specified arrangement.

9. The system of claim 8, in which the block of the predetermined arrangement includes:
the unit creating a first list of dyadic arrays, designed to create a first list of dyadic arrays by assigning array elements starting channel number of the employed channel or channels and the number of cascade service transferred to the channel or channels;
block create a second list dyadic arrays, designed for converting the first list dyadic arrays in the second list dyadic arrays according to the predetermined rule changes;
the unit changes the first list dyadic arrays designed for reordering the first list dyadic arrays in accordance with the second list dyadic arrays; and
the block of the target channel, before oznaczony to select the channel or channels, the corresponding array elements in the second list dyadic arrays, as the target channel or channels for a busy channel or channels corresponding to the array elements in the reordered first list dyadic arrays.

10. The system of claim 8 or 9, in which the block of the target channel also includes:
block comparison of dyadic arrays, designed to compare the first list dyadic arrays and the second list dyadic arrays in order to determine whether the first list dyadic arrays the same dyadic arrays, and that the dyadic arrays in the second list dyadic arrays; and
the definition block of the target channel, determines that the reconfiguration of the cross-connection is not carried out in accordance with the result of comparison performed by the Comparer, or defining a channel corresponding to the value of the first element in the second list dyadic arrays, as the target channel to reconfigure the cross-connection.

 

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