RussianPatents.com

Routing in peer-to-peer networks. RU patent 2408064.

FIELD: information technology.

SUBSTANCE: method of routing in a peer-to-peer network realised in one of the nodes of the network involves: obtaining broadcast indication in a node relative change in the composition of a network; and the program record of the state of the routing table (SSRT), having a set of the said SSRT records for each node is updated, where the said SSRT records describe current system membership; the leafset table which defines the hash space for the node is updated, the hash space has information on resources provided in the peer-to-peer network; the leafset table is maintained through periodic probing of at least one other node; and a table of directions having a set of records of the table of directions is maintained, where each of the said records of the table of directions describes the location of the corresponding node, where the table of directions is maintained by probing each of the said corresponding node indicted in the records of the table of directions.

EFFECT: efficient use of resources and shorter time for determining location of elements of a peer-to-peer network.

32 cl, 10 dwg

IPC classes for russian patent Routing in peer-to-peer networks. RU patent 2408064. (RU 2408064):

H04W40 - ELECTRIC COMMUNICATION TECHNIQUE

G06F15/173 -

Another patents in same IPC classes:

Operation with detached and common channel of data transfer in wireless communication system / 2407247
Sector may perform broadcasting transfer of service message and/or may send unidirectional messages to identify whether this sector supports detached channels of data transfer. Terminal may receive at least one message, which identifies whether detached data transfer channels are supported by at least one sector. When detached channels of data transfer are supported, sector that services forward data transfer channel (FL) and sector that services reverse data transfer channel (RL) may be independently selected for the terminal. When detached channels of data transfer are not supported, one sector may be selected both for FL service sectors and for RL service sectors for terminal. Transfer of terminal may be done independently for direct and reverse channels of data transfer, if detached channels of data transfer are supported, and may be realised jointly, if detached data transfer channels are not supported.

Method and device to dedicate bandwidth in wireless communication system / 2407246
Network resources may be dedicated more efficiently for communication sessions in wireless communication network by means of method for control of traffic load in direction of upperlink ul_ratio and downlink dl_ratio in the network at least for one session, determination of parametres ul_ratio and dl_ratio, specified as ul_ratio=ul_throughput/(ul_fhroughput+dl_throughput) and dl_ratio=dl_throughput/(ul_throughput+dLthroughput. Besides, ul_throughput is throughput capacity in upperlink, at least for one communication session, and dl_throughput is throughput capacity in downlink, at least for one communication session, and dedication of resources, at least in one session depending on traffic load and ul_ratio and dl_ratio by means of resources dedication in upperlink depending on dl_ratio and/or dedication of resources in downlink depending on ul_ratio.

Method and device for automatic switching-on of coordinates detection to determine locations of external devices / 2407245
Mobile station generates data of location detection for location detection function in external device in response to determination that mobile station is electrically connected to this external device, and in response to determination that function of location detection in this device is active. Mobile station does not generate data of location detection for location detection function in external device in response to determination that mobile station is electrically disconnected with this external device, or in response to determination that function of location detection in this device is not active.

Method and system for connection of basic stations of wireless communication network / 2407244
Hardware and software facilities that support services included into virtual network of access control are connected to already existing fixed network of data transfer; one or more basic stations are connected to geographically nearest point of access of specified fixed network of data transfer, and data is exchanged between user device, which is serviced by newly connected basic station, and destination unit, under control of services of created access control network. System of data transfer constructed in compliance with the above specified is also disclosed.

System for monitoring of locomotive radio stations of digital radio communication system on railway transport / 2407243
Server of service messages is included into system for monitoring of locomotive radio stations of digital radio communication system on railway transport, which comprises the following components in locomotive radio station: unit of radio station condition monitoring, unit of train/locomotive number identification, unit of channel monitoring, transceiver, basic stations, controller and transcoder, switching centre of digital radio communication system, server of network control system, and serially connected unit of satellite positioning, management controller and unit of service messages generation are introduced into locomotive radio station. Besides, unit of satellite positioning includes controller, and receiver GPS/GLONASS and timer are connected to its two inlets.

Method and devices in mobile communication network / 2407242
Device comprises facility of signal registration within a time period tot, in which specified facility comprises correlator adapted to do combined coherent and incoherent correlation, in which length of coherent correlation interval equals L samples of signal, number of intervals of coherent correlation equals M, and result of coherent correlation is result of coherent correlation for each of M intervals of coherent registration, and facility of non-coherent summation of coherent correlation results. Besides, device comprises facility for selection of one of the following values: length L of coherent correlation interval and common interval ttot of registration, on the basis of at least one of the following parametres: size of cellular communication cell, speed and acceleration of adaptive control, number of participant devices of location measurement and desirable total frequency of false alarm signals appearance.

Selection of service basic station in wireless communication system / 2407241
Terminal sends transfer along feedback line to multiple basic stations in wireless communication system and receives feedback (for instance, commands of power control (PC) and/or criteria of information damage) from multiple basic stations. Each basic station may generate feedback on the basis of control channel and/or certain other transfer received from the terminal. Terminal controls capacity of feedback line and also selects service basic station RL on the basis of received feedback. Terminal may select basic station with the lowest level of transfer capacity, highest percentage of capacity reduction commands or lowest frequency of information damage as the service basic station RL.

Method and device of bidirectional distribution of online data in mobile communication system / 2407240
Node is contained in system of mobile communication, besides, this system of mobile communication comprises the old node B and the new node B. The old node B and the new node B are arranged with the possibility of connection to each other. System of mobile communication additionally comprises subscriber device arranged with the possibility to switch reception of online data bursts from the old node B to the new node B. Method includes stages, at which the first order number is associatively related to the first pack of online data intended for sending into the old node B, and the second order number is associatively related to the same first online data burst intended for sending to the new node B. The second order number differs from the first order number.

System of mobile communication, mobile station, basic station and method of data transfer management / 2407239
Mobile station comprises module for detection of quality of service (QoS) requirements, which is arranged with the possibility to determine requirements of service quality for data burst; module of descending channel condition assessment, arranged with the possibility to assess condition of descending channel; module for extraction of identification number, arranged with the possibility to extract identification number of mobile station; notification module, arranged with the possibility to communicate information to basic station on requirements of service quality requirements, identification number of mobile station and condition of descending channel by means of redundancy burst. Basic station comprises module of assessment of ascending channel condition arranged with the possibility to assess condition of ascending channel by means of redundancy burst; module of radio communication management arranged with the possibility to determine parameters of radio communication and to manage them on the basis of redundancy burst and measured of ascending channel condition.

System and method for downloading updates / 2405260
In computing unit the necessary update is determined from a list of available updates by scanning of computing device, being one of peer-to-peer units, to determine its current condition. Current condition is compared to list of available updates, besides the necessary update may be segmented into multiple parts. List of online computing units, which identify downloading of update, is received in computing unit from host. Update is downloaded into computing device as specified multitude of parts.

Link-port switch / 2405196
LINK-port switch has N LINK-ports, N LINK-port controllers, a switch matrix, a block of resistors, an address allocation protocol decoder, a replay message generator, a comparator circuit, a constant, a LINK-port counter, an RCP-2 former, each LINK-port further includes an input LINK-port, an input buffer register, an input LINK -port, a counter for selecting the input port, an allocation time-out counter, a comparator circuit, a constant, each LINK-port controller further includes a TL field modification unit, two JK flip-flop, three OR elements, FIFO buffer memory, a control state machine, a state register, ROM1 for the switching table, a multiplexer, a comparator circuit, a constant, ROM2, five AND elements, an odd number control unit, a word counter, a control sum storage, a first heading register, a third heading word register, a unit for checking heading words.

Lower-bound estimate search device in fully connected matrix systems during one-way data transfer / 2398270
Device has a matrix comprising m rows and n columns of a homogeneous medium, n blocks for counting units, unit for finding the maximum, adders, a memory unit, a lower-bound estimate search unit which has a pulse generator, element selection multiplexers, row selection decoder, incidental vertex decoders, fixed arc decoders, row and column counters, fixed arc counters, incidental vertex counters, mode triggers, group of m triggers, group of m inhibit circuit units, matrix (i.j) (i=1.2,…, m, j=1.2,…,n) of fixed arc counters, matrix (i.j) (i=1.2,…, m, j=1.2,…,n) of OR elements, matrices (i.j) (i=1.2,…,m, j=1.2,…,n) of AND elements, an OR element, inverters, AND elements, group of m OR elements.

Simplified input/output protocol / 2388039
Invention relates to methods and systems for downloading I/O processes from a first computer onto a second computer using a network interconnection through RDMA. The method and system includes a client on the first computer provided with information through a RDMA connection with a server on the second computer through a simplified input/output protocol. Overall, the protocol includes a network detection step, followed by I/O processing. At the detection step, the client and the server determine the shortest list of shared providers capable of RDMA. During I/O processing, the client gives I/O requests for downloading from the second machine through a mutually authenticated channel. The I/O model is asymmetrical with reading operations carried out through traditional sending. Requests for reading and recording can be completed in poll mode and in interruption mode. Buffers are controlled through a confidence mechanism.

Software interface of applications for administration of software updates distribution in system of updates distribution / 2386218
Application program interface (API) provides for multiple interface calls, by means of which administrator may establish rules, in accordance to which software updates are distributed, being available for unit of updates servicing.

System and method of invitation for interaction / 2385487
Architecture (300) may include platform (302) of interaction services. Platform (302) of interaction services may include service (304) of contacts control, alarm service (306), activity service (310), service (312) of joint access to data, service (314) of authentication and service (316) of connectivity. Service (304) of contacts control may include storage (318) of contacts, storage (320) of presence and service (322) of contacts location. Publication service (306) may include service (324) of synchronisation. Alarm service (308) may include service (326) of invitation. Activity service (310) may include audio/video (A/V) service (328). Service (316) of connectivity may include peer-to-peer (P2P) service (330) and traditional protocol of transportation control and stack (332) of Internet protocol (TCP/IP). Each service (304), (306), (308), (310), (312), (314), (316) may include and/or be included with a peer-to-peer possibility for sending and receiving messages that realise the service.

Generation of virtual network topology / 2382398
Invention relates to distributed computer systems. The step for remote deployment of a distributed application on a distributed computer system involves: assigning network switches for at least one virtual local area network (VLAN), where at least one port of the switch in one of the network switches is assigned for two or more VLANs, formation in each computer a first virtual network interface (VNI) and a second VNI, where the VLAN driver forms the first VNI and the second VNI over the physical network interface when: (i) the VLAN driver is installed on each computer, which should be associated with the VLAN, (ii) the VLAN driver is linked to the physical network interface, (iii) the VLAN driver creates several VNI over each physical network interface, and (iv) the VLAN driver is installed in the protocol stack between the network interface driver and the internet protocol (IP) driver; and linking of the first VNI and the first VLAN and linking of the second VNI with the second VLAN.

Device for processing two- and three-dimensional images / 2376637
Invention relates to computer engineering and is meant for processing two- and three-dimensional images. Invention can be used in stationary and onboard computer vision systems, in devices for controlling stand-alone robots, in program-controlled processing machines, in automated design systems. For this purpose in a device which contains a control unit, a matrix A×A×A of single-bit processors, a matrix A×A of single-bit units image memory, A3- input unit for determining volume, A3-input former of occupation code of image A×A×A, matrix A×A of single-bit switches of intralayer shift, there are more interprocessor connections inside matrix A×A×A. As a result, when the most frequency used instructions for rotation by an angle which is not a multiple of 90° about the centre of a binary image A×A×A, it is no content of one layer A×A×1 of this binary image which rotates, but content all layers A×A×1.

Introduction of session description message to real-time transport control protocol message (rtcp) / 2372647
Introduction of session description which describes audio-visual presentation transferred to the recipient in the form of flow is introduced at least to some messages of Real-time transport control protocol (RTCP), which are supplied from audio-visual information content source to the recipient. That message can be connected for example to one of the variety of audio-visual information content parts included in the list of audio-visual information content reproduction, which is transferred in the form of a flow from the device to the recipient. In accordance with some aspects, RTCP message, which introduces session description message, consists at least of three fields: the first field containing the data identifying RTCP message as the one referring to the type which introduces session description message; the second field containing the data which is session description message for multimedia representation, and the third field containing the data identifying the length of RTCP message generated by adding the length of the first, the second and the third fields.

Presentation of combined type of shortcuts to remote applications from several manufacturers / 2367009
Invention relates to presentation of a remote terminal service (TS) application. Invented are systems and methods of presenting a unified type of remotely installed applications, to which a user has access, based on a terminal sever. A client computer device generates one or more shortcuts for one or more corresponding applications. Each of the applications is installed on one or more install points of an intranet. The client computer device is external with respect to the intranet. One or more shortcuts are combined, thereby presenting a combined type of applications. The combined type is transparent from the point of view of whether the applications are managed by different information sources in the intranet and/or configured for TS server based remote execution of different information sources of one or more install points.

Device for estimation of difference between current remoteness of position and optimal remoteness of position / 2263953
Device has matrix of m rows and n columns of homogeneous environment elements, block for finding maximum, adder, memory block, m blocks for counting units, block for estimation of channels load level, containing two pulse generators, two row selection decoders, unary value selection decoder, element selection decoder, element selection multiplexer, channel load decoder, two comparison elements, m channel load counters, two groups of m OR elements, two groups of m forbidding elements, current column counter, group of m AND elements, third group of m OR elements, two groups of m triggers, two row counters, two column counters, two OR elements, delay elements, counter of next column.