NDLI: A study on performance comparison of priority-based queueing scheme with two queueing buffer allocations in an UMTS core network gateway

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A study on performance comparison of priority-based queueing scheme with two queueing buffer allocations in an UMTS core network gateway

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A study on performance comparison of priority-based queueing scheme with two queueing buffer allocations in an UMTS core network gateway

Content Provider	ACM Digital Library
Author	Liu, Fanpyn Fu, Chen-Hua Yang, Chyan
Abstract	As UMTS systems have evolved into an all-IP stage, packet switching becomes a prerequisite for all UMTS applications within an UMTS core network, where the traffic of UMTS applications consist of four classes: conversational, streaming, interactive, and background, each of which has its QoS features and packets transmission priority. In this paper, a priority-based queueing scheme with two queueing buffer allocations, the DQB allocation and the OQD allocation, within an UMTS core network gateway is proposed to support differentiated services for packet forwarding among UMTS applications. In the proposed queuing scheme, two major modules, a priority-based enqueueing module and a weighted round robin dequeueing module, are used to handle enqueueing and dequeueing processes of UMTS packets. Many scenarios are simulated using the platform built on ns2. According to on the simulation results, each class UMTS application bases on its packet transmission priority to receive its corresponding packet forwarding performance; a differentiated service in packet forwarding among UMTS applications can be supported by the proposed queueing scheme with the two queueing buffer allocations within an UMTS core network gateway. For the DQB allocation, a packet forwarding starvation might be received by one UMTS application with the lowest packet transmission priority in a continuous traffic pattern; for the OQD allocation, there exists disorder packet transmissions among UMTS application.
Starting Page	1
Ending Page	8
Page Count	8
File Format	PDF
ISBN	9781605580890
DOI	10.1145/1506270.1506327
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2008-09-10
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Dqb allocation Differentiated service packet forwarding Oqd allocation Priority-based queueing scheme Umts
Content Type	Text
Resource Type	Article

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