System and method for using dynamic allocation of virtual lanes to alleviate congestion in a fat-tree topology

摘要

A system and method can prevent traffic congestion in a middleware machine environment with a plurality of switches in a fat-tree topology. A subnet manager can sweep a subnet in the middleware machine environment to discover changes and maintain the subnet fully connected. A performance manager can retrieve performance and error-related information from one or more performance management agents that are associated with one or more components in the subnet. Then, a host can dynamically reconfigure one or more virtual lanes in order to improve network performances.

主权项

1. A method for alleviating traffic congestion in a middleware machine environment operating on one or more microprocessors, comprising:
sweeping, via a subnet manager, a subnet in the middleware machine environment to discover changes and maintain the subnet fully connected; retrieving, via a performance manager, performance and error-related information from one or more performance management agents that are associated with one or more components in the subnet; identifying a hot-spot flow to a hot-spot in the subnet; dynamically reconfiguring network connections to improve network performance; and reassigning the hot-spot flow to a virtual lane classified as a slow lane.