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failure detection implementation details in openstack

asked 2013-04-09 06:24:23 -0600

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Hello,

I would like to know how the process of failure detection is achieved in OpenStack (if any). I would like to know about the implementation details, i.e. if its done at physical, virtual machine or at application level. Does openNebula use any known failure detection mechanisms? e.g. [1][2][3][4] or any other. Where can I find this information?

Thank you in advance.

Alejandro

[1] M.Bertier,O.Marin,andP.Sens.Implementation and performance evaluation of an adaptable failure detector. In International Conference on Dependable Systems and Networks (DSN), pages 354–363, June 2002.

[2] W. Chen, S. Toueg, and M. K. Aguilera. On the quality of service of failure detectors. IEEE Transactions on Computers, 51(5):561–580, May 2002.

[3] N. Hayashibara, X. De ́fago, R. Yared, and T. Katayama. The φ accrual failure detector. In IEEE Symposium on Reliable Distributed Systems (SRDS), pages 66–78, Oct. 2004.

[4] Joshua B. Leners, Hao Wu, Wei-Lun Hung, Marcos K. Aguilera, and Michael Walfish. 2011. Detecting failures in distributed systems with the Falcon spy network. In Proceedings of the Twenty-Third ACM Symposium on Operating Systems Principles (SOSP '11). ACM, New York, NY, USA, 279-294.

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answered 2013-04-13 22:20:19 -0600

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For Openstack, I am not aware of the use of any of the failure detection techniques you mention (I have access only to [1] and [3] unfortunately). I can safely answer that the Quantum server, and the open source plugins like Open vSwitch and Linux Bridge do not implement these techniques for detecting failures in the virtual networking layer.

I am unfortunately unable to comment for OpenNebula, as I do not know the platform. (btw, are you sure this is the right place for asking about OpenNebula?)

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Asked: 2013-04-09 06:24:23 -0600

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Last updated: Apr 13 '13