NDLI: Cost Sensitive Pushout Policy for the Buffer Management in Versatile Traffic Switch

Content Provider	IEEE Xplore Digital Library
Author	Padmanabh, K. Roy, R.
Copyright Year	2005
Description	Author affiliation: Department of Electronics and Electrical Communication Engineering Indian Institute of Technology, Kharagpur, padmanabh@ece.iitkgp.ernet.in (Padmanabh, K.)
Abstract	We are presenting here a buffer management policy for versatile traffic. In the case of ATM switch, we have to drop only one packet of low priority to accommodate a packet of high priority, because all packets (cells) are of same size. Thus if we have to improve QoS of high priority packets we can give the worse treatment to low priority packets. This is a procedure to increase total weighted throughput. But in the case of Differentiated Service model where versatility in data traffic is there due to packets of multiple priorities and different lengths, we may have to drop more than one packet of low priority to accommodate a high priority packet. But one interesting question remains, how many packets of low priority should be dropped to save a single high priority packet? In this paper we have demonstrated that merely treating low priority up to worst extent to improve QoS of high priority doesn't improve the total weighted throughput in DiffServ. model. A line must be drawn beyond which worse treatment to low priority packet must be stopped when the goal is to minimize the probability of loss of total weighted cost. We are presenting here the Cost Sensitive Pushout Policy, which gives a class of buffer management policy to maximize total weighted throughput.
Starting Page	404
Ending Page	407
File Size	797908
Page Count	4
File Format	PDF
ISBN	0780395034
DOI	10.1109/INDCON.2005.1590200
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-12-11
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Costs Packet switching Switches Quality of service Throughput Congestion Control Quality of Service Technology management Engineering management Memory management Traffic control Buffer management Differentiated Service Asynchronous transfer mode
Content Type	Text
Resource Type	Article

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