Communication system

Details Communication system Communication system

2006-01-06

2009-10-06

Ton, Dang T (Department: 2419)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S229000, C370S394000

Reexamination Certificate

active

07599368

ABSTRACT:
A communication system includes: a probe transmission server which transmits packets of a probe multicast at certain intervals on a same path as that of a main multicast; an aggregation server which converts multiple main cast and the probe multi cast into an aggregative multicast; and a communication control apparatus which determines an overall communication condition of the packets of the main multicast based on intervals of the probe multicast, wherein the communication control apparatus receives and recovers the packet of the main multicast from the packet of the aggregative multicast, if a communication break of the main multicast is detected.

REFERENCES:
patent: 6269080 (2001-07-01), Kumar
patent: 6430153 (2002-08-01), Hughes et al.
patent: 6845091 (2005-01-01), Ogier et al.
patent: 2003/0206554 (2003-11-01), Dillon
patent: 2005-252670 (2005-09-01), None
Beau Williamson, “IP Multicast Network Development Guide vol. 1,” Softbank Publishing Corp., Jul. 3, 2001.
M. Handley et al., “The Reliable Multicast Design Space for Bulk Transfer,” The Internet Society, 2000.

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