Cooperative Adjusted RED for Two-Color Markers

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2002, Vol. 25 ›› Issue (3): 7-11.

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Cooperative Adjusted RED for Two-Color Markers

WANG Qian¹, LONG Ke-ping¹, CHENG Shi-duan¹,LE Hui-hua¹, ZHANG Run-tong²

1.National Laboratory of Switching Technology and TelecommunicationNetworks, Beijing University of Posts and Telecommunications, Beijing 100876, China; 2.Nokia China R&D Center, Beijing100013, China

Received:2001-09-17 Online:2002-09-10
Supported by:

Abstract

Abstract: A new implementation mechanism of RED, cooperative adjusted RED (CARED), is presented. It cooperates with two color marker to guarantee the fairness between different service classes in diffserv network. The mainidea of this scheme is to obtain the quantitative relationship between theactual rate and the committed service rate, on the basis of the marking probability of two color markers, and then adjust the dropping probability of CARED according to this relationship. To implement CARED in diffserv network, a marking probability metering algorithm NSWM is also proposed. Lots of simulations have proved the efficiency of CARED.

Key words: quality of service, differentiated services, random early dropping

CLC Number:

TN919.3

WANG Qian, LONG Ke-ping, CHENG Shi-duan,LE Hui-hua, ZHANG Run-tong. Cooperative Adjusted RED for Two-Color Markers[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2002, 25(3): 7-11.

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Cooperative Adjusted RED for Two-Color Markers

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