US 7,518,989 B2
Method and apparatus for recovery from faults in a loop network
Reginald Beer, Eastleigh (United Kingdom); Paul Nicholas Cashman, Alton (United Kingdom); Paul Hooton, Eastleigh (United Kingdom); Ian David Judd, Winchester (United Kingdom); Robert Frank Maddock, Christchurch (United Kingdom); Robert Bruce Nicholson, Southsea (United Kingdom); and Barry Douglas Whyte, Winchester (United Kingdom)
Assigned to International Business Machines Corporation, Armonk, N.Y. (US)
Filed on Oct. 26, 2006, as Appl. No. 11/553,056.
Application 11/553056 is a continuation of application No. 10/150578, filed on May 17, 2002, granted, now 7,203,161.
Claims priority of application No. 0115969.8 (GB), filed on Jun. 29, 2001.
Prior Publication US 2007/0053285 A1, Mar. 08, 2007
Int. Cl. H04L 1/00 (2006.01); H04L 12/26 (2006.01)
U.S. Cl. 370—224  [370/219; 370/227] 2 Claims
OG exemplary drawing
 
1. An apparatus for forming a portion of a loop network, comprising:
a plurality of bypass circuits, wherein upon activation of a bypass circuit of the plurality of bypass circuits the activated bypass circuit bypasses a component coupled to the bypass circuit, wherein the portion of the loop network comprises the plurality of bypass circuits and components coupled to deactivated bypass circuits; and
a controller coupled to the plurality of bypass circuits, wherein the controller is configured to receive a timeout reset command, wherein upon receipt of the timeout reset command the controller resets a timeout period, wherein upon the timeout period expiring the controller activates the plurality of bypass circuits.