Method of achieving the network link status penetrate

Details Method of achieving the network link status penetrate Method of achieving the network link status penetrate

2003-08-13

2010-02-09

Pham, Chi H (Department: 2471)

Multiplex communications

Data flow congestion prevention or control

C370S230000

Reexamination Certificate

active

07660240

ABSTRACT:
The invention discloses a method for implementing link state passing-through in network, for informing the peer of link fault, including: the service device detecting whether there is a link fault in the network; in case of link fault, the service device transferring link fault information to peer service device with a control frame; in response to the control frame containing link fault information, the peer service device disconnecting the user's link and performing corresponding processes; the user at the faulty peer communicating with peer user through the spare network; when the link recovers to normal, the service device at the recovery peer sending a control frame containing link fault recovery information to peer service device to reestablish communication between the users on the link. The invention is capable of reducing extra overhead under normal network conditions as much as possible.

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