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:
Feb. 13, 2007
Filed:
Sep. 18, 2003
Hemant Hebbar, Milpitas, CA (US);
Sitaram Dontu, Sunnyvale, CA (US);
Madhuri Kolli, San Jose, CA (US);
Hemant Hebbar, Milpitas, CA (US);
Sitaram Dontu, Sunnyvale, CA (US);
Madhuri Kolli, San Jose, CA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
Method and devices are provided for implementing high availability. Some implementations provide high availability for virtual switches of data networks. Each virtual switch acts as a single logical unit, while encompassing at least two physical chassis, referred to herein as a master chassis and a slave chassis. In some preferred embodiments, the active supervisor in the master chassis is configured as an active supervisor of the virtual switch and the active supervisor in the slave chassis is configured as the standby supervisor of the virtual switch.