System and method for implementing reflector ports within...

Details System and method for implementing reflector ports within... System and method for implementing reflector ports within...

2005-05-06

2011-11-01

Phung, Luat (Department: 2464)

Multiplex communications

Diagnostic testing

Path check

C370S241000, C370S242000, C370S249000, C370S252000

Reexamination Certificate

active

08050183

ABSTRACT:
In some ring protocols, control messages are exchanged among ring nodes in order to implement certain behaviors, such as loop-free behavior and/or failure recovery, within the ring. A segment of a ring can be replaced by another network, effectively turning the ring into a daisy chain. If the intervening network does not allow transmission of the control messages used by the ring protocol, certain control messages may be blocked, causing the ring to operate in undesirable ways. Reflector ports can be implemented at each end of the daisy chain in order to prevent these control messages from being blocked.

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