Research Article
Port-Space Isolation for Multiplexing a Single IP Address Through Open vSwitch
@INPROCEEDINGS{10.1007/978-3-642-17851-1_8, author={Ping Du and Maoke Chen and Akihiro Nakao}, title={Port-Space Isolation for Multiplexing a Single IP Address Through Open vSwitch}, proceedings={Testbeds and Research Infrastructures. Development of Networks and Communities. 6th International ICST Conference, TridentCom 2010, Berlin, Germany, May 18-20, 2010, Revised Selected Papers}, proceedings_a={TRIDENTCOM}, year={2012}, month={10}, keywords={Network virtualization resource isolation Open vSwitch testbed infrastructure}, doi={10.1007/978-3-642-17851-1_8} }- Ping Du
Maoke Chen
Akihiro Nakao
Year: 2012
Port-Space Isolation for Multiplexing a Single IP Address Through Open vSwitch
TRIDENTCOM
Springer
DOI: 10.1007/978-3-642-17851-1_8
Abstract
Large-scale network testbeds raise the problem of the ex- haustion of IPv4 address space. Before the IPv6 is widely deployed, mul- tiplexing IPv4 address for guest slivers is necessary. NAT is one of the typical ways for the multiplexing. Violating the end-to-end feature of the Internet, the NAT approach has well-known drawbacks in performance scalability and in supporting diverse services and applications. In this paper, we propose a method to share the host’s global IP address for all the guest slivers on a node and isolate their network usage in port-space. The idea is successfully implemented with Open vSwitch and deployed in the CoreLab platform. Benchmark result shows that the proposed solution is superior to NAT technique significantly.