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:
May. 24, 2011
Filed:
Sep. 23, 2008
Masafumi Watari, Saitama, JP;
Tomohiko Ogishi, Saitama, JP;
Shigehiro Ano, Saitama, JP;
KDDI Corporation, Tokyo, JP;
Abstract
The present invention provides a BGP route evaluation device and method. A message receiving sectionreceives a BGP Update message. A status detecting sectiondetects the active/inactive status of each BGP route on the basis of a pair of prefix and next hop registered in 'Announce' and 'Withdraw' of the BGP Update message. In a management table, the active/inactive status of each BGP route is managed. An update sectionupdates the registration contents of the management tableon the basis of the detection result of the active/inactive status. An evaluation sectionevaluates each BGP route on the basis of the registration contents of the management table