nanog mailing list archives

Re: Pica8 - Open Source Cloud Switch


From: Donald Eastlake <d3e3e3 () gmail com>
Date: Tue, 19 Oct 2010 11:23:39 -0400

On Tue, Oct 19, 2010 at 11:00 AM, Peter Ashwood-Smith
<Peter.AshwoodSmith () huawei com> wrote:
...

a) bigger layer 2 networks with Vmware type mobility and no IP address
changes. Technolgies in this space are much more than just L2 switching, its
L2 switching on larger scales with encapsulation, multipathing etc. This is
where technologies like IEEE 802.1aq Shortest Path Bridging, IEEE 802.1ah
mac-in-mac come to play. These tend to be appropriate for existing
enterprise applications (or complete virtual desktops) and simply make
existing DC L2 fabrics bigger and availale for virtualization. No
application software changes required, its done under them and end hosts
can't tell whats happening.

And the IETF TRILL protocol.

Donald

...

Peter


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