MPLS SEGMENT ROUTING

A method, communications processing device, and computer readable medium for MPLS segment routing are disclosed. One embodiment of the method comprises generating a first link-state packet comprising a first data structure. The first data structure maps a first portcode to a link connecting the firs...

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Bibliographic Details
Main Authors Frost Daniel C, Bryant Stewart F, Filsfils Clarence
Format Patent
LanguageEnglish
Published 19.10.2017
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:A method, communications processing device, and computer readable medium for MPLS segment routing are disclosed. One embodiment of the method comprises generating a first link-state packet comprising a first data structure. The first data structure maps a first portcode to a link connecting the first router within the network or to an additional router reachable from the first router. The method embodiment further includes receiving an incoming data packet encapsulated with a header comprising an incoming portcode stack having the first portcode as its uppermost portcode. The method embodiment further includes removing the first portcode from the incoming portcode stack to create an outgoing portcode stack for an outgoing data packet, and forwarding the outgoing data packet via a port, of the first router, identified by the first portcode.
Bibliography:Application Number: US201715637744