The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 01, 2021
Filed:
Aug. 14, 2018
Cisco Technology, Inc., San Jose, CA (US);
Samar Sharma, San Jose, CA (US);
Rajesh Sharma, San Jose, CA (US);
CISCO TECHNOLOGY, INC., San Jose, CA (US);
Abstract
Presented herein are techniques to support service chains in a network, such as a spine-leaf switch fabric network, that also uses overlay networking technology. More specifically, in accordance with the techniques presented herein, a linecard at an ingress network node for an overlay network is configured to receive a packet. Using information obtained from the packet, a hardware lookup is performed at the linecard to identify a service chain with which the packet is associated. An entry corresponding to the identified service chain is identified within a memory location of the linecard, where the entry includes overlay network information for forwarding packets along the identified service chain via an overlay network. Using the overlay network information included in the identified entry, the packet is encapsulated with an overlay packet header for use in forwarding the packet via the overlay network.