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. 01, 2011
Filed:
Mar. 31, 2006
Thuan Van Tran, Cary, NC (US);
Donald Earl Slice, Jr., Cary, NC (US);
Liem H. Nguyen, San Jose, CA (US);
Donnie Van Savage, Raleigh, NC (US);
Yi Yang, Morrisville, NC (US);
Thuan Van Tran, Cary, NC (US);
Donald Earl Slice, Jr., Cary, NC (US);
Liem H. Nguyen, San Jose, CA (US);
Donnie Van Savage, Raleigh, NC (US);
Yi Yang, Morrisville, NC (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
A system and method for enhancing the behavior of a network. In an illustrative embodiment, the network includes a distribution router and plural additional routers connected to the distribution router. The system includes a first module that is adapted to characterize the additional routers as stub routers or non-stub routers and then to provide a signal in response thereto. A second module selectively queries non-stub routers for route information and does not query stub routers for the route information. In a more specific embodiment, the second module includes a unicast module for selectively unicasting queries to the non-stub routers. A multicast module selectively multicasts queries to the non-stub routers via a modified conditional-receive algorithm.