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:
Mar. 10, 2020
Filed:
Jul. 01, 2019
Cisco Technology, Inc., San Jose, CA (US);
Reinaldo Penno, San Ramon, CA (US);
Paul Quinn, Wellesley, MA (US);
Carlos M. Pignataro, Raleigh, NC (US);
CISCO TECHNOLOGY, INC., San Jose, CA (US);
Abstract
In one embodiment, a method includes receiving a trace request packet at a service node on a service chain, the trace request packet comprising a service index limit that remains constant for use in identifying at least one service node in the service chain to generate a trace report packet, and processing the trace request packet and determining whether to forward the trace request packet on the service chain or to generate the trace report packet based on a comparison of a service index to the service index limit in the trace request packet, wherein the trace report packet includes service function information of a plurality of service functions in the service chain, and the trace request packet is forwarded on the service chain according to a service path identifier and the service index.