Internet integrated service over ATM: a solution for shortcut QoS virtual channels

In principle, the interaction of the resource reservation protocol (RSVP) and ATM should allow the IP level to benefit from some features of the ATM layer. The most interesting one is the native support of end-to-end quality of service provided by ATM. On the other hand, there are issues that must b...

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Bibliographic Details
Published in:IEEE communications magazine 1999-12, Vol.37 (12), p.98-104
Main Authors: Cocca, R., Salsano, S., Listanti, M.
Format: Magazinearticle
Language:English
Subjects:
Asynchronous transfer mode
Automated teller machines
Channels
Devices
Enrichment
Internet
Intserv networks
IP (Internet Protocol)
Local area networks
Mathematical models
Protocols
Quality of service
Routers
Routing
Spine
Telecommunications
Virtual colonoscopy
Web and internet services
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Summary:In principle, the interaction of the resource reservation protocol (RSVP) and ATM should allow the IP level to benefit from some features of the ATM layer. The most interesting one is the native support of end-to-end quality of service provided by ATM. On the other hand, there are issues that must be clarified to define correct interworking: for example, the possible overlapping between the mechanisms used in the IP and ATM levels to support QoS, or the needed IP/ATM address resolution mechanism. This article proposes a solution to exploit ATM shortcut VCs supporting QoS in the Internet integrated services model. A straightforward enrichment to the RSVP protocol is defined, which only impacts the devices (hosts and routers) involved in the shortcut procedure. A mechanism for IP/ATM address resolution is provided, avoiding the use of other mechanisms such as NHRP. Special care has been taken to maintain compatibility with "traditional" RSVP hosts and routers.
ISSN:0163-6804
1558-1896
DOI:10.1109/35.809392