Communication system, switch

Multiplex communications – Fault recovery – Bypass an inoperative switch or inoperative element of a...

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

07848226

ABSTRACT:
According to an aspect of an embodiment, a communication system comprises: a. a first information processing device; b. a first communication line and a first backup line connected to the first information processing device, respectively; c. a second information processing device; d. a second communication line and second backup line connected to the second information processing device, respectively; e. a first switch comprising: a first port connected to the first communication line; a second port connected to the second backup line; and a controller for performing of: detecting a failure of the first port; switching the second backup line; and sending a notification; and f. a second switch comprising: a third port connected to the first backup line; a fourth port connected to the second communication line; and a controller for performing of: receiving the notification; switching the first backup line and the second communication line.

REFERENCES:
patent: 7197660 (2007-03-01), Liu et al.
patent: 7209435 (2007-04-01), Kuo et al.
patent: 2002/0184387 (2002-12-01), Yamaya et al.
patent: 2005/0243713 (2005-11-01), Okuda
patent: 2006/0092950 (2006-05-01), Arregoces et al.
patent: 2006/0133264 (2006-06-01), Yamauchi
patent: 2007/0008880 (2007-01-01), Buchko et al.
patent: 1006702 (2000-06-01), None
patent: 2003-115856 (2003-04-01), None
patent: 2003-179619 (2003-06-01), None
patent: 2003-318933 (2003-11-01), None
patent: 2006-180214 (2006-07-01), None
ZNYX Networks, Network Level Resilience for High Availability (HA) in Ethernet Networks, 38 pages, 2002.
Li et al, Cisco Hot Standby Router, Protocol (HSRP), RFC 2281, 17 pages, 1998.
Knight et al, Virtual Router Redundancy Protocol, RFC 2338, 27 pages, 1998.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Communication system, switch does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Communication system, switch, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Communication system, switch will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4237205

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.