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:
Oct. 16, 2007
Filed:
Mar. 07, 2003
Claude Basso, Raleigh, NC (US);
Brahmanand K. Gorti, Cary, NC (US);
Natarajan Vaidhyanathan, Greensboro, NC (US);
Colin B. Verrilli, Apex, NC (US);
Claude Basso, Raleigh, NC (US);
Brahmanand K. Gorti, Cary, NC (US);
Natarajan Vaidhyanathan, Greensboro, NC (US);
Colin B. Verrilli, Apex, NC (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A system and method for transmitting data from a first site to a second site over a shared Multi-Protocol Label Switched (MPLS) network comprising a plurality of routers, including an ingress router in communication with the first site and an egress router in communication with the second site, includes configuring a plurality of label switching paths between the ingress router and the egress router over a plurality of label switching devices. The method further includes performing a first lookup on one of at least one virtual routing and forwarding (VRF) table stored in the ingress router, whereby the first lookup identifies one routing table from a plurality of routing tables stored in the ingress router, each routing table being associated with one of the plurality of label switched paths, and performing a second lookup on the one routing table, wherein the routing table defines the associated label switched path between the ingress router and the egress router for a virtual private network (VPN) between the first site and the second site.