Routing architecture for a multi-ring local area network

Details Routing architecture for a multi-ring local area network Routing architecture for a multi-ring local area network

H - Electricity

04

L

344/24, 340/84

H04L 12/46 (2006.01)

Patent

CA 1251839

ROUTING ARCHITECTURE FOR A MULTI-RING LOCAL AREA NETWORK ABSTRACT The architecture provides a frame format and procedure for routing messages through a single ring or multi-ring communication system. Stations associated with the exchange of messages are located on the single ring or on different rings of the multi-ring communication system. The rings are connected by bridges to form a physical local area network. The frame format includes a plurality of control bits positioned within a Routing Information (RI) field, a frame control field and a frame status field. Messages are generated and structured in accordance with the frame format. A group of the control bits, in each message, is set with initial values according to the message type. Thus, different messages are characterized by a different sequence of control bit settings. A routing algorithm analyzes the message and depending on the status of the control bits, the message is processed and ultimately switched to its proper destination.

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