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3-level virtual vpn network and method for building the same. RU patent 2302035.

FIELD: three-level virtual VPN networks.

SUBSTANCE: VPN includes provider routers and end provider routers in main network P, in user VPN networks a set of sites are included as well as user end routers and hierarchical device (HoPE), which includes low level end router (UPE) and high level end router (SPE). In accordance to method, between UPE and SPE several end routers of medium level are positioned (MPE), which are used for supporting all routes in VPN, for replacing mark connected to default routes (VRF), and for creating an UPE route.

EFFECT: creation of expandable three-level VPN network, satisfying requirements of limitations of required resources and minimized configuration.

2 cl, 5 dwg

IPC classes for russian patent 3-level virtual vpn network and method for building the same. RU patent 2302035. (RU 2302035):

G06F15/163 -

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