A method is proposed to perform traffic engineering for Autonomous Systems by setting OSPF weights and distributing new metrics called node splitting ratios. The quality of the traffic engineering is comparable to that achievable using MPLS. The weights and splitting ratios can be calculated using linear programming techniques. This potentially allows the solution of very large problems of a scale often found in an ISP backbone. Furthermore changes to network topology or addition of new flows can be easily done without performing the whole optimisation procedure. The method we have presented here offers the ability to perform Traffic flow optimisation without maintaining any per flow state in routers and without introducing additional protocols or packet overhead, unlike MPLS which is commonly used for Traffic Engineering.

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http://dx.doi.org/10.1007/978-0-387-35673-0_22 under the license http://www.springer.com/tdm
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Published on 01/01/2013

Volume 2013, 2013
DOI: 10.1007/978-0-387-35673-0_22
Licence: CC BY-NC-SA license

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