Patent ID: 8103753
Filing Date: 2012-01-24
Classification: H04L

Abstract:
1. A method, performed by a joining side application layer process at a joining computer system having a memory and a processor, for joining a multi-party application layer session including at least an inviting computer system being network connectable to the joining computer system, the method comprising: with a processor, sending a hello message to the inviting computer system; prior to the joining computer system being joined to the multi-party application layer session, receiving an inviting side link database from the inviting computer system, the inviting side link database including an inviting side link state record indicating that the inviting computer system is logically linked to the joining computer system; in response to receiving the inviting side link database, with a processor, updating a joining side link database at the joining computer based on the received inviting side link database to at least indicate that the joining computer system is logically linked to the inviting computer system; and sending the updated joining side link database to a third computer system, the updated joining side link database including a joining side link state record indicating that the joining computer system is logically linked to the inviting computer system, wherein the third computer system is configured to update a third link database at the third computer system based on the updated joining side link database to at least indicate that the joining computer system is logically linked to the inviting computer system, wherein the joining side link state record is a schema-based XML link state record.