Method and apparatus for QoS resource reservation and configuration of multicast network resources

摘要

A method for performing quality of service (QoS) resource reservation and configuration of multicast network resources for multicast sessions in a network, said method comprising:
in response to a request from a receiver to receive with some QoS requirement a session originating from a source, performing the following:
forwarding a reservation message along the downstream path from said source to said receiver through nodes of said network, whereas each node along said path performs the following:
a) in response to receiving said reservation message, reserving QoS resources and configuring multicast resources for the link from said node to the next downstream node in said path;
b) forwarding the reservation message to said next downstream node;
c) repeating said steps a) and b) until in each node along said path from said source to said receiver said QoS resources are reserved and said multicast resources are configured.