QRISP: a protocol for shortcut-based QoS provisioning-quality of service trading in heterogeneous network architecture

A protocol for shortcut-based QoS provisioning, named QRISP (QoS-oriented receiver-initiated shortcut path), is explained. It enables setting-up a QoS guaranteed path in IPOA/ATM heterogeneous environment with a single shot of signalling. QRISP extends previous work of RISP so that a short-cut path is established in LAN-WAN-LAN interworking environment without additional negotiation and extension of IP routers. Related service provisioning and management issues are discussed.