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Handling Topology Changes in InfiniBand
February 2007 (vol. 18 no. 2)
pp. 172-185

Abstract—InfiniBand is a high-performance switched network. Its topology may change due to devices being turned on/off, hot expansion, link remapping, and component failures. The InfiniBand specification defines a management infrastructure which is responsible for detecting and assimilating any change in the network. When a change occurs, management entities must update switch forwarding tables, in order to maintain the connectivity among end nodes. This implies the acquisition of the current topology and the computation of a new set of routes accordingly. It is desirable that the execution of this process does not affect the performance of the upper-level applications that are using the network. In previous works, we have proposed enhanced implementations for the main tasks involved in the assimilation of a change. Now, we present a detailed performance evaluation of a management mechanism which incorporates all our proposals.

Index Terms:
High-speed LANs, network management, network topology, routing protocols.
Aurelio Berm?, Rafael Casado, Francisco J. Quiles, Jos? Duato, "Handling Topology Changes in InfiniBand," IEEE Transactions on Parallel and Distributed Systems, vol. 18, no. 2, pp. 172-185, Feb. 2007, doi:10.1109/TPDS.2007.26
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