Apparatus and methods for forwarding data between public...

Electrical computers and digital processing systems: multicomput – Computer-to-computer data addressing

Reexamination Certificate

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Details

C709S249000

Reexamination Certificate

active

07734819

ABSTRACT:
Disclosed are methods and apparatus for handling data sent from a first public network to a second or same public network via a private network. In general terms, network translation address mechanisms are provided within the edge routers of the private network. When a first processing node sends a request to an edge router to access another processing node which resides in a public network, the edge router forms a binding based on two addresses associated with the first processing node. A first private address is initially associated with the first processing node, and the first processing node uses this private address to communicate with the private network. A second public address is also allocated to the first processing node based on the first processing node's request to communicate with a public node. The first processing node uses the allocated second public address to communicate with the requested public node.

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Hamzeh et al., Network Working Group, Rfc 2637, “Point-to-Point Tunneling Protocol (PPTP)”, Copyright © The Internet Society (1999).
Townsley et al., Networking Group, RFC 2661, “Layer Two Tunnelling Protocol L2TP”, Copyright © The Internet Society (1999).

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