Patent · US Active

Method and apparatus for tracing paths in service function chains

US9912566B1 · kind B1 · utility

11Cited by

2References

19Claims

0Family size

Assignee

Cisco Technology, Inc. · US

Inventors

Reinaldo Penno · San Jose, US
Paul Quinn · San Francisco, US
Carlos M. Pignataro · Cary, US

Key dates

Filing date	Jul 20, 2015
Grant date	Mar 6, 2018
Priority date	—
Expiry date	Apr 18, 2036

Classification

Technology area (CPC H)Electricity
CPC primaryH04L2101/659
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

In one embodiment, a method includes receiving a trace request packet at a service node in a service chain, the trace request packet comprising a service path identifier, a service index, and a service index limit, processing the trace request packet at the service node, generating a trace report packet at the service node, the trace report packet comprising service function information for the service node, and transmitting the trace report packet. An apparatus and logic are also disclosed herein.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.