Network tunnel termination device selection using weighted...

Details Network tunnel termination device selection using weighted... Network tunnel termination device selection using weighted...

2003-08-29

2009-02-03

Lee, Philip C (Department: 2152)

Electrical computers and digital processing systems: multicomput

Computer network managing

Network resource allocating

C709S227000, C709S228000, C709S230000, C709S220000, C709S203000, C370S401000, C370S389000, C370S351000, C370S469000, C370S237000, C718S105000

Reexamination Certificate

active

07487243

ABSTRACT:
Techniques are described for load balancing subscriber sessions across tunnel termination devices. A network device is described, for example, that includes a tunneling module that load balances subscriber sessions across a plurality of tunnel termination devices based on weightings associated with the tunnel termination devices. The weightings may be assigned to the tunnel termination devices by a user, or may be calculated by the network device based on resource constraints associated with the tunnel termination devices. The network device may calculate the weightings, for example, based on a maximum number of subscriber sessions supported by each of the tunnel termination devices. As one example, the techniques may be applied to load balance Point-to-Point (PPP) subscriber sessions across L2TP Network Servers (LNSs).

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Townsley, W. et al., “Layer Two Tunneling Protocol L2TP”, Network Working Group, Aug. 1999.

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