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专利名称：Multiple path trees and lan segments for
routing in a network of bridge- connectedlan segments
发明人：Rainer Oechsle申请号：US08/372693申请日：19950113公开号：US05570466A公开日：19961029
摘要：For routing of frames through a system of bridge-connected networksegments, a routing table is stored in each bridge, and each frame includes fields for asource segment identifier and a destination segment identifier. The routing tables reflectpredetermined paths to each network segment as destination. For routing of a normaltransmission frame, only the destination segment identifier included in the frame and atable look-up in each bridge are required. For deriving unknown routing information, adiscovery frame is sent from source to destination terminal, initially including emptysource and destination segment fields. Using the stored routing tables, bridges insertsegment identifiers and forward discovery frames in such a way that only one arrives atthe destination, carrying the correct source segment identifier and destination segmentidentifier which are then returned to the source terminal.
申请人：INTERNATIONAL BUSINESS MACHINES CORPORATION
代理人：Joscelyn G. Cockburn
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