A parallel architecture for IGP weights optimization

Authors:
Visa Holopainen;Mika Ilvesmäki
Affiliations:
TKK Helsinki University of Technology, Networking Laboratory, Finland;TKK Helsinki University of Technology, Networking Laboratory, Finland
Venue:
APNOMS'07 Proceedings of the 10th Asia-Pacific conference on Network Operations and Management Symposium: managing next generation networks and services
Year:
2007

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Abstract

Currently ISPs use tools, such as Interior Gateway Protocol Weight Optimizer (IGP-WO), to tune link weights of routing protocols so that offered traffic load is balanced evenly for network's links. IGPWO uses a sequential algorithm that prevents efficient use of parallel computing resources. We introduce a parallel link weight optimization architecture and compare its performance to IGP-WO. We find that our system achieves good load balancing much faster than IGP-WO.