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Faculty of Computing and Information Technology
Document Details
Document Type
:
Article In Conference
Document Title
:
End-to-End delay in localized QoS routing
التوجيه، جودة الخدمة، التوجيه المحلي، قيود التأخير
Document Language
:
English
Abstract
:
Quality of service (QoS) routing has been proposed for supporting the requirements of network applications and satisfying connection constraints. A large amount of information needs to be exchanged periodically among routers. Therefore, in order to satisfy such requirements localized QoS routing algorithms have been proposed. This is where source nodes make routing decisions based on statistics collected locally. Using local information for routing avoids the overheads of exchanging global information with other nodes. In this paper we present a localized delay-based QoS routing (DBR) algorithm which relies on delay constraint that each path satisfies to make routing decisions. We also modify credit based routing (CBR) so that this uses delay instead of bandwidth. The two localized algorithms and the commonly used global shortest path algorithm (Dijkstra) are compared under different delay constraints and network topologies. We demonstrated through simulation that our scheme performs better than the modified CBR under different range of workloads and system parameters and outperforms the Dijkstra scheme in all network topologies, unless unrealistically small update intervals are used.
Conference Name
:
Proceedings of the 11th IEEE International Conference on Communication Systems, ICCS 2008
Duration
:
From : 21/11/1429 AH - To : 23/11/1429 AH
From : 19/11/2008 AD - To : 21/11/2008 AD
Publishing Year
:
1429 AH
2008 AD
Number Of Pages
:
00
Article Type
:
Article
Added Date
:
Sunday, June 24, 2012
Researchers
Researcher Name (Arabic)
Researcher Name (English)
Researcher Type
Dr Grade
Email
احمد الزهراني
Alzahrani, Ahmad
Investigator
Doctorate
a.s.m.alzahrani@bradford.ac.uk
Michael Woodward
Woodward, Michael
Researcher
Files
File Name
Type
Description
33759.pdf
pdf
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