In the process of bringing ATM traffic control into reality, the ATM Forum has proposed to adopt the Sustainable Cell Rate (SCR) and its Cell Delay Variation Tolerance (CDVTSCR) as traffic descriptors, besides the Peak Cell Rate (PCR) and its Cell Delay Variation Tolerance (CDVTPCR). The introduction of the SCR and the CDVTSCR aims at obtaining a more efficient multiplexing of source traffic streams than PCR can provide. In this gaper we provide guidelines for the choice of the SCR and CDVTSCR values. We evaluate the impact of specific SCR and CDVTSCR values on the Usage Parameter Control (UPC) performance in case of measured MPEG and LAN traffic. A main result is the definition of conservative CAC rules at the access multiplexer that are easily implementable and yield guaranteed performance. The potential for further efficiency improvements is also explored.
The sustainable cell rate concept for usage parameter control and connection admission control functions at an ATM UNI / Baiocchi, Andrea; Nicola Blefari, Melazzi; Cuomo, Francesca. - 1:(1996), pp. 639-643. (Intervento presentato al convegno IEEE GLOBECOM 1996 - Communications: The Key to Global Prosperity tenutosi a LONDON, ENGLAND nel NOV 18-22, 1996) [10.1109/glocom.1996.594440].
The sustainable cell rate concept for usage parameter control and connection admission control functions at an ATM UNI
BAIOCCHI, Andrea;CUOMO, Francesca
1996
Abstract
In the process of bringing ATM traffic control into reality, the ATM Forum has proposed to adopt the Sustainable Cell Rate (SCR) and its Cell Delay Variation Tolerance (CDVTSCR) as traffic descriptors, besides the Peak Cell Rate (PCR) and its Cell Delay Variation Tolerance (CDVTPCR). The introduction of the SCR and the CDVTSCR aims at obtaining a more efficient multiplexing of source traffic streams than PCR can provide. In this gaper we provide guidelines for the choice of the SCR and CDVTSCR values. We evaluate the impact of specific SCR and CDVTSCR values on the Usage Parameter Control (UPC) performance in case of measured MPEG and LAN traffic. A main result is the definition of conservative CAC rules at the access multiplexer that are easily implementable and yield guaranteed performance. The potential for further efficiency improvements is also explored.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
