A management method of IP multicast in overlay networks using openflow

@inproceedings{Nakagawa2012AMM,
  title={A management method of IP multicast in overlay networks using openflow},
  author={Yukihiro Nakagawa and Kazuki Hyoudou and Takeshi Shimizu},
  booktitle={HotSDN@SIGCOMM},
  year={2012}
}
Overlay networks stretch a Layer 2 network and increase mobility of virtual machines. VXLAN (Virtual eXtensible LAN) is one of Layer 2 overlay schemes over a Layer 3 net- work proposed in IETF and its definition covers 16M overlay networks or segments which solves 4K limitation of VLANs. However VXLAN uses IP multicast for the isolation of net- work traffic by tenant in the shared network infrastructure. IP multicast requires great amount of resources such as IP multicast table and CPU… CONTINUE READING

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