Multicast for RSVP switching: An extended multicast model with QoS for label swapping in an IP over ATM environment

The ubiquity of IP associated with the acknowledgment of ATM as a key switc hing technology has motivated an increasing interest towards the design of a more efficient way of operating IP over ATM networks. This approach is kn own under the name Label Swapping. A few studies have addressed the primary issue of providing simultaneously quality of service and multicast. We pro pose a solution where we mix an RSVP architecture with one Label Swapping t echnique called IP Switching. We discuss problems that arise when using cut -through associated with an RSVP multicast model and propose an application for an IPv6 environment over an ATM switching hardware.