Patent ID: 7573823
Filing Date: 2009-08-11
Classification: H04L

Abstract:
1. A method for selection of a route for transmission of IPSec data packets from a source network site to a destination network site, said method comprising at least steps of: providing a source network site with a first plurality of Internet service provider connections of at least two Internet service providers each connecting said source network site to an Internet through at least two Internet access points; providing a destination network site with a second plurality of Internet service provider connections of at least two Internet service providers each connecting the destination network site to the Internet through at least two Internet access points; determining, at the source network site, at least one of a round trip time value and a IPSec packet success rate value for each combination of individual source and destination Internet service provider connections configurable among the first and second plurality Internet service provider connections; selecting, at the source network site, a first Internet service provider connection among said first plurality of Internet service provider connections and a second Internet service provider connection among said second plurality of Internet service provider connections, on the basis of at least one of the determined round trip time value for each combination of source and destination Internet service provider connections, and the determined IPSec packet success rate value for each combination of source and destination Internet service provider connections.