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A Performance Study of VM Live Migration over the WAN
Blekinge Institute of Technology, Faculty of Computing, Department of Communication Systems.
Blekinge Institute of Technology, Faculty of Computing, Department of Communication Systems.
2015 (English)Independent thesis Advanced level (degree of Master (Two Years))Student thesis
Abstract [en]

Virtualization is the key technology that has provided the Cloud computing platforms a new way for small and large enterprises to host their applications by renting the available resources. Live VM migration allows a Virtual Machine to be transferred form one host to another while the Virtual Machine is active and running. The main challenge in Live migration over WAN is maintaining the network connectivity during and after the migration. We have carried out live VM migration over the WAN migrating different sizes of VM memory states and presented our solutions based on Open vSwitch/VXLAN and Cisco GRE approaches. VXLAN provides the mobility support needed to maintain the network connectivity between the client and the Virtual machine. We have setup an experimental testbed to calculate the concerned performance metrics and analyzed the performance of live migration in VXLAN and GRE network. Our experimental results present that the network connectivity was maintained throughout the migration process with negligible signaling overhead and minimal downtime. The downtime variation experience with change in the applied network delay was relatively higher when compared to variation experienced when migrating different VM memory states. The total migration time experienced showed a strong relationship with size of the migrating VM memory state.

Place, publisher, year, edition, pages
2015. , 70 p.
Keyword [en]
GRE, Live Virtual machine migration, Live VM migration, Virtualization, VM, VXLAN, Xen, WAN
National Category
Computer Science Telecommunications
URN: urn:nbn:se:bth-1529Local ID: diva2:828770
0763472814Available from: 2015-05-18 Created: 2015-05-08 Last updated: 2015-06-30Bibliographically approved

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