Virtual machine distribution method in data center with minimized communication delay
A technology of data center and allocation method, applied in the field of virtual machine allocation, can solve the problems of low efficiency, large solution space, low matching efficiency, etc., and achieve the effects of reducing allocation time, communication delay, and solution space.
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[0041] The present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
[0042] Such as figure 1 , a method for allocating virtual machines in a data center that minimizes communication delays, comprising the following steps:
[0043] S1. Determine whether there is a virtual machine (virtual machine, VM) cluster that is larger than a data node (data node, DN) and can communicate with each other within a certain threshold of communication delay;
[0044] S2. If it exists, use an effective backtracking method or an improved greedy algorithm to find a complete subgraph composed of virtual machines under this threshold, and then use the Hopcroft-Karp algorithm to assign the virtual machines in the complete subgraph to data nodes;
[0045] If not, repeat step S1.
[0046] The method for allocating virtual machines in the data center with minimiz...
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