Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2011-03-22
2011-03-22
Yao, Kwang B (Department: 2473)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S216000
Reexamination Certificate
active
07912075
ABSTRACT:
The present invention is directed, in various embodiments, to a hardware supported duplication token for arbitrating active and standby module states, a weighted state of health exchange for identifying unhealthy module states and relative module health states, and a packet sequence number synchronization technique for maintaining desired levels of synchronization between the active and standby modules.
REFERENCES:
patent: 4602368 (1986-07-01), Circello et al.
patent: 4663748 (1987-05-01), Karbowiak et al.
patent: 4789927 (1988-12-01), Hannah
patent: 5862131 (1999-01-01), Petty et al.
patent: 5896523 (1999-04-01), Bissett et al.
patent: 6980559 (2005-12-01), Kichise
patent: 6990512 (2006-01-01), Major et al.
patent: 2003/0074598 (2003-04-01), Bossen et al.
patent: 2003/0118039 (2003-06-01), Nishi et al.
patent: 2003/0131281 (2003-07-01), Jung et al.
patent: 2004/0034807 (2004-02-01), Rostowfske
patent: 2005/0080835 (2005-04-01), Ohmi et al.
patent: 2005/0091304 (2005-04-01), Trayler
patent: 2006/0085669 (2006-04-01), Rostron et al.
patent: 2006/0092831 (2006-05-01), Hartnett et al.
patent: 2006/0250946 (2006-11-01), Croak et al.
patent: 2007/0201382 (2007-08-01), Ekl et al.
patent: 2008/0244150 (2008-10-01), Sharma
Mediantm™ 5000 VolP Media Gateway; AudioCodes Voice Network Products for Wireline Applications; 2 pages.
Snoeren et al., “Fine-Grained Failover Using Connection Migration,” Mit Laboratory for Computer Science, Cambridge, MA, available at http:/
ms.Ics.mit.edu/papers/migrate-failover.pdf, 12 pages.
Giuhat, “The Necessary Nine: Beyond Just Basic VoIP Interconnection,” Feb. 3, 2005, available at http://www.tmcnet.com/channels/session-border-control/session-border-control-articles
ecessary-nine-beyond-voip-interconnection.htm.
Robertson, “Linux-HA Heartbeat System Design, ” Proceedings of the 4th Annual Linux Showcase and Conference, Atlanta, Oct. 10-14, 2000, Atlanta, Georgia, USA, available at http://www.usenix.org/publications/library/proceedings/als00/2000papers/papers/full—papers/robertson/robertson—html, pp. 305-316.
Cisco CallManager Version 3.2 Data Sheet, Cisco Systems, accessed in 2005, available at http://www.cisco.com/en/US/products/sw/voicesw/ps556/products—data—sheet09186a008007d873.html, 6 pages.
“Device Support,” Cisco CallManager System Guide Release 4.0(1), Cisco Systems, accessed 2005, available at http://www.cisco.conn/en/US/products/sw/voicesw/ps556/products—administration—guide—chapter09186a00801ec5af.html#1020706, 5 pages.
Chandler Matthew A.
Gibbons Lee D.
Holland David S.
Kelley-Johnson Margaret L.
Kim Bhum C.
Avaya Inc.
Bokhari Syed
Sheridan & Ross P.C.
Yao Kwang B
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