07483370 is referenced by 140 patents and cites 24 patents.

Methods and systems for hitless switch management module failover and upgrade are disclosed. According to one method, a master switch management module participates in network protocols and performs packet forwarding operations. The master switch management module distributes protocol state and packet forwarding information to the slave switch management module. The slave switch management module continuously monitors the operational state of the master switch management module. In response to detecting failure of the master switch management module or a forced failover initiated by the user interface on the master switch management module, the slave switch management module begins network protocol operation in the master mode in a state where the master switch management module last operated correctly.

Title
Methods and systems for hitless switch management module failover and upgrade
Application Number
10/743887
Publication Number
7483370 (B1)
Application Date
December 22, 2003
Publication Date
January 27, 2009
Inventor
Daniel L Schweitzer
Durham
NC, US
Michael D Mroz
Fuquay Varina
NC, US
Donald B Grosser
Apex
NC, US
Rana Dayal
Cary
NC, US
Agent
Jenkins Wilson Taylor & Hunt P A
Assignee
Extreme Networks
CA, US
IPC
G06F 11/07
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