Multiplex communications – Communication techniques for information carried in plural... – Adaptive
Reexamination Certificate
2006-04-04
2006-04-04
Sam, Phirin (Department: 2661)
Multiplex communications
Communication techniques for information carried in plural...
Adaptive
C370S465000
Reexamination Certificate
active
07023879
ABSTRACT:
A method for dynamic ingress to egress tunnel mapping from a first communication network to a second communication network includes receiving a tunneled communication from a subscriber using the first communication network, determining egress tunnel selection criteria for the tunneled communication, selecting one of at least one egress tunnel based on the egress tunnel selection criteria and forwarding the tunneled communication on the selected egress tunnel. The egress tunnel selection criteria indicate the basis for selecting one of the egress tunnels. An apparatus for dynamic ingress to egress tunnel mapping from a first communication network to a second communication network includes a receiving interface to receive a tunneled communication from a subscriber using the first communication network, an egress tunnel selection criteria determiner to determine egress tunnel selection criteria for the tunneled communication, an egress tunnel selector to select one of at least one egress tunnel based on the egress tunnel selection criteria and a session forwarder to forward the tunneled communication on the selected egress tunnel. In one aspect of the invention, tunnel mapping is performed between Layer 2 Tunneling Protocol (L2TP) ingress and egress tunnels.
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Sheth Purnam Anil
Sitaraman Aravind
Cisco Technology Inc.
Sam Phirin
Schaub John P.
Thelen Reid & Priest LLP
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