High-efficiency service chaining with agentless service nodes
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United States of America Patent
Stats
-
Mar 19, 2019
Grant Date -
Jan 25, 2018
app pub date -
Sep 21, 2017
filing date -
Apr 26, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An example method for distributed service chaining is provided and includes receiving a packet belonging to a service chain in a distributed virtual switch (DVS) network environment, the packet includes a network service header (NSH) indicating a service path identifier identifying the service chain. The packet is provided to a virtual Ethernet module (VEM) connected to an agentless service node (SN) providing an edge service such as a server load balancer (SLB). The VEM associates a service path identifier corresponding to the service chain with a local identifier such as a virtual local area network (VLAN). The agentless SN returns the packet to the VEM for forwarding on the VLAN. Because the VLAN corresponds exactly to the service path and service chain, the packet is forwarded directly to the next node in the service chain. This can enable agentless SNs to efficiently provide a service chain for network traffic.
First Claim
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Family
International Classification(s)
- 2017 Application Filing Year
- H04L Class
- 36365 Applications Filed
- 27259 Patents Issued To-Date
- 74.96 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 52 Citation Count
- H04L Class
- 99.57 % this patent is cited more than
- 6 Age
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