High-efficiency service chaining with agentless service nodes

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United States of America Patent

PATENT NO 9794379
APP PUB NO 20150365324A1
SERIAL NO

14305810

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
CISCO TECHNOLOGY, INC.SAN JOSE, CA14366

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Cited Art Landscape

Patent Info (Count) # Cites Year
 
AT*T INTELLECTAUL PROPERTY I., L.P. (1)
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Other [Check patent profile for assignment information] (1)
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RPX CLEARINGHOUSE LLC (1)
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FUTUREWEI TECHNOLOGIES, INC. (1)
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HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. (1)
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ENTIT SOFTWARE LLC (1)
8676965 Tracking high-level network transactions 1 2009
 
VERIFICHI, LLC (1)
* 2005/0120,101 Apparatus, method and article of manufacture for managing changes on a compute infrastructure 15 2004
 
CISCO TECHNOLOGY, INC. (7)
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* 2013/0121,137 METHOD AND APPARATUS FOR SVE REDUNDANCY 6 2011
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2015/0103,827 Configurable Service Proxy Mapping 4 2013
 
Cesura, Inc. (1)
2005/0210,096 Method and system for agentless discovery of application infrastructure resources 6 2004
 
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) (1)
8498414 Secure route optimization in mobile internet protocol using trusted domain name servers 2 2010
 
AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE. LTD. (1)
* 2005/0058,118 Method and apparatus for forwarding packets in an ethernet passive optical network 12 2004
 
PROVENANCE ASSET GROUP LLC (1)
* 2014/0376,558 Dynamic Network Service Association and On Demand Service Provisioning 4 2013
* Cited By Examiner

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