Patent ID: 8068502
Filing Date: 2011-11-29
Classification: H04L

Abstract:
1. A method for providing services to a user device using a service overlay network comprising a plurality of service gateways, the method comprising: receiving, at a first service gateway of said service overlay network, a request to support a persistent connection between said user device and said service overlay network, said persistent connection having state information associated therewith, wherein said request to support said persistent connection is associated with a first redirector element configured for selecting said first service gateway to support said persistent connection for said user device; maintaining said state information associated with said persistent connection at said first service gateway; receiving, at said first service gateway, a request to migrate said state information of said persistent connection from said first service gateway to a second service gateway of said service overlay network, wherein said request to migrate said state information of the persistent connection is associated with a second redirector element configured for selecting said second service gateway to support said persistent connection for said user device; and propagating said state information from said first service gateway toward said second service gateway.