A reordering-free multipath traffic engineering architecture for DiffServ-MPLS networks

Date
2003-10
Advisor
Instructor
Source Title
Proceedings of the 3rd IEEE Workshop on IP Operations and Management, IPOM 2003
Print ISSN
Electronic ISSN
Publisher
IEEE
Volume
Issue
Pages
107 - 113
Language
English
Type
Conference Paper
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Volume Title
Abstract

We propose a novel traffic engineering architecture for IP networks with multiprotocol label switching (MPLS) backbones. In this architecture, two (primary and secondary) label switched paths (LSPs) are established among every pair of IP routers located at the edge of an MPLS cloud. Traffic between a source-destination pair is then split between the primary and secondary LSPs using an ABR-like explicit-rate feedback gathered from the network. Taking into consideration the packet reordering effect of packet-based load balancing schemes, we propose a novel traffic splitting mechanism that operates on a per-flow basis. We show, using a variety of scenarios, that deploying flow-based multipath traffic engineering not only provides significantly and consistently better throughput than that of a single path, but is also void of any packet reordering. © 2003 IEEE.

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Keywords
Communication system traffic control, IP networks, Load management, Multiprotocol label switching, Protocols, Resource management, Routing, Spine, Telecommunication traffic, Clouds, Electric load management, Internet protocols, Network management, Network protocols, Quality of service, Telecommunication networks, Telecommunication traffic, Traffic control, Transmission control protocol, Communication system traffic, Multi protocol label switching, Network architecture
Citation
Published Version (Please cite this version)