Generating packets in a reverse direction of a service function chain

US10171350B2 · kind B2 · utility

Assignee

• Cisco Technology, Inc. · US

Inventors

• Reinaldo Penno · San Jose, US
• Carlos M. Pignataro · Cary, US
• Paul Quinn · San Francisco, US
• Hung The Chau · Highland, US
• Chui-Tin Yen · San Jose, US
• Vivek Kansal · San Jose, US
• Jianxin Wang · Zhejiang, CN
• Kent K. Leung · Palo Alto, US

Key dates

• Filing date: May 20, 2016
• Grant date: Jan 1, 2019
• Expiry date: Jun 7, 2036

Classification

• Technology area (CPC H): Electricity
• CPC primary: H04L2212/00
• WIPO field: Digital communication
• WIPO sector: Electrical engineering

Abstract

Embodiments are directed to receiving an original packet at a service function; determining, for a reverse packet, a reverse service path identifier for a previous hop on a service function chain; determining, for the reverse packet, a service index for the reverse service path identifier; and transmitting the reverse packet to the previous hop on the service function chain.