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:
Dec. 30, 2008
Filed:
Jun. 24, 2002
Stephen Morrow, San Jose, CA (US);
Mahesh Chellappa, San Jose, CA (US);
Chandrasekar Krishnamurthy, Sunnyvale, CA (US);
Krishna Sundaresan, Sunnyvale, CA (US);
Stephen Morrow, San Jose, CA (US);
Mahesh Chellappa, San Jose, CA (US);
Chandrasekar Krishnamurthy, Sunnyvale, CA (US);
Krishna Sundaresan, Sunnyvale, CA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
An embodiment of the invention provides a method for specifying preferred routes for SPVCs across multi-peer group PNNI networks and AINI links. A preferred route for a network connection through a network having a plurality of nodes, organized hierarchically into a plurality of peer groups, is determined. The preferred route is associated with a preferred route identifier. The preferred route identifier is carried in the PNNI SETUP message and is used to link a preferred route database in the source node with the entry border nodes of remote peer groups for a single SPVC. The entry border node of each peer group establishes a connection over a static route corresponding to the preferred route identifier. For one embodiment the preferred route identifier is carried in a generic application transport information element of the PNNI signaling SETUP message, providing a scalable preferred routing capability for SPVCs across multi-peer group PNNI networks.