Patent · US Active

Methods and systems for dynamically updating a routing table in a virtual private network

US7987506B1 · kind B1 · utility

49Cited by
2References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 3, 2006
Grant dateJul 26, 2011
Priority date
Expiry dateJul 10, 2029

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L45/02
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A method, system, and computer program product for dynamically updating a routing table in a virtual private network including a concentrator with a routing table and one or more security associations is provided. A change is identified in the virtual private network, and related network information is also identified. A notification update message is created, including (i) a type of change to be made to the routing table based on to the identified change and (ii) the related network information. The notification update message is sent to the concentrator, which updates the routing table according to the notification update message. During the updating of the routing table of the concentrator, current security associations of the virtual private network tunnel are maintained.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.