SERVICE FUNCTION CHAINING AND OVERLAY TRANSPORT LOOP PREVENTION

SERVICE FUNCTION CHAINING AND OVERLAY TRANSPORT LOOP PREVENTION

A method implemented by a service function forwarder (SFF) comprises receiving, by a receiver of the SFF, a service chain packet comprising a loop prevention field, the loop prevention field comprising a plurality of bits indicating whether an error has occurred during packet transmission, and deter...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: EASTLAKE, Donald E., III, YONG, Lucy
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:A method implemented by a service function forwarder (SFF) comprises receiving, by a receiver of the SFF, a service chain packet comprising a loop prevention field, the loop prevention field comprising a plurality of bits indicating whether an error has occurred during packet transmission, and determining, by a processor of the SFF, whether to forward the service chain packet based on a value in the loop prevention field being less than a predefined parameter, the predefined parameter based on a number of bits (n) in the loop prevention field.