There was a pretty big instability in FlowVisor 0.7.1 that was causing
regular, repeated crashed.  This new version fixes this bug and adds a
few new features.  As always, a short summary of changes are in the
RELEASE-NOTES file and more complete changes can be found in `git log`
from the source code.

Release notes:

FlowVisor 0.7.2 : Mar 21 2011
    * added changeSlice fvctl/API command
    * fixed big bug in drop rules for disconnected controllers
    * fixed Null Pointer Exception race condition; stops crashing
    * added MRTG formatting scripts (thanks Chris Tengi!)


Upgrade and installation instructions can be found at: www.flowvisor.org[1]

If you are experiencing instability with an older version of
flowvisor, I recommend you upgrade to 0.7.2.

- Rob
.

[1] Which just redirects to
http://www.openflow.org/wk/index.php/FlowVisor for the time being
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