NDLI: QoS of IP over ATM: the PCR and ACR policing issue

Content Provider	IEEE Xplore Digital Library
Author	Battaglia, L. Kiilat, U.
Copyright Year	1999
Description	Author affiliation: Tech. Univ. Hamburg-Harburg, Germany (Battaglia, L.)
Abstract	Many solutions to integrate IP with ATM and to map IP on ATM service categories have already been presented. Yet how to police the chosen ATM service category is still an open issue. We present the IP over ATM policing issue. Since the loss of a single ATM cell would cause the loss of an entire IP packet, no cell of a well-behaved user should be rejected. At the same time in order to protect all network resources and the QoS of the other services, any violating user should be policed as rigidly as possible, independently of the background traffic. To this end we refer to ATM Usage Parameter Control standards and dimension the standardized ATM rate policer, the GCRA. We provide an upper-bound analytic GCRA parameters dimensioning able to ideally police the PCR of IP over CBR and VBR applications and the ACR of IP over ABR applications. For any background traffic no cell of a well-behaved user will be discarded whereas any violating user will be policed as rigidly as possible. In the case of IP over ABR policing we present a solution able to ideally police the ACR even during the updating phases of the current ACR.
Starting Page	131
Ending Page	136
File Size	551404
Page Count	6
File Format	PDF
ISBN	0780359259
DOI	10.1109/IWS.1999.811004
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-02-18
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Packet switching Flexible printed circuits ISDN Routing Internet Protection Communication switching Contracts Asynchronous transfer mode Switching circuits
Content Type	Text
Resource Type	Article

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