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.

Date of Patent:
May. 10, 2022

Filed:

Mar. 19, 2020
Applicant:

Juniper Networks, Inc., Sunnyvale, CA (US);

Inventors:

Rajneesh Kumar, Bangalore, IN;

Peyush Gupta, Bangalore, IN;

Assignee:

Juniper Networks, Inc., Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/24 (2006.01); H04L 41/5025 (2022.01); H04L 41/5009 (2022.01); H04L 47/2425 (2022.01); H04L 69/22 (2022.01);
U.S. Cl.
CPC ...
H04L 41/5025 (2013.01); H04L 41/5009 (2013.01); H04L 47/2425 (2013.01); H04L 69/22 (2013.01);
Abstract

This disclosure describes techniques that include adding information to a network service header in packets being processed by a set of compute nodes in a service chain. The information added to the network service header can be used during selection of the next hop in a service chain, and may be used to help ensure that service level agreements (SLA) are met with respect to one or more metrics. In one example, this disclosure describes a method that includes receiving, by a service complex having a plurality of service nodes, a packet associated with a service chain representing a series of services to be performed on the packet by one or more of the plurality of service nodes; identifying, by the service complex, one or more service chain constraints associated with the service chain; and modifying the packet, by the service complex, to include information about the service chain constraints.


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