Choose the type of simulator using:

1. Partial Key Grouping with multiple sources with local estimation from data:
2. Simple Consistent Hashing hash mode num of Servers:
3. G-Choices :
4. D-Choices :
5. W-Choices :
6. Round Robin:

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Sources

1. https://melmeric.files.wordpress.com/2014/11/the-power-of-both-choices-practical-load-balancing-for-distributed-stream-processing-engines.pdf
2. http://arxiv.org/pdf/1510.05714v2.pdf
3. http://arxiv.org/pdf/1510.07623v1.pdf