Transaction and connection independent protocol load balancing

Details Transaction and connection independent protocol load balancing Transaction and connection independent protocol load balancing

2009-03-12

2011-11-15

Abelson, Ronald (Department: 2476)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S237000, C370S238000, C370S395320, C455S453000, C718S105000

Reexamination Certificate

active

08059653

ABSTRACT:
A system and method for load balancing session initiation protocol (SIP) traffic based on bridging and tracking transactions and connections between frontend and backend devices. The method includes receiving a SIP message and parsing a header of the SIP message. The parsing may include selecting a transaction identifier. The method further includes accessing a transaction table based on the transaction identifier and selecting a connection for forwarding the SIP message. The SIP message is then forwarded by the selected connection.

REFERENCES:
patent: 2007/0147339 (2007-06-01), Forissier et al.
patent: 2007/0168600 (2007-07-01), Anthony et al.
patent: 2007/0174292 (2007-07-01), Li et al.
patent: 2009/0047922 (2009-02-01), Buckley et al.
patent: WO 2008052290 (2008-05-01), None

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