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Re: [Ideas] A comment on the use case draft

Tom Herbert <tom@herbertland.com> Tue, 21 March 2017 22:11 UTC

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From: Tom Herbert <tom@herbertland.com>
Date: Tue, 21 Mar 2017 15:10:57 -0700
Message-ID: <CALx6S36KGwyMq14qPtM3KgHJfOG4essR7MEU+iwCE_wb1is=gA@mail.gmail.com>
To: "O. Ozan Koyluoglu" <ozan.koyluoglu@berkeley.edu>
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Subject: Re: [Ideas] A comment on the use case draft
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On Tue, Mar 21, 2017 at 2:55 PM, O. Ozan Koyluoglu
<ozan.koyluoglu@berkeley.edu> wrote:
> There is a use case in data center networks, which could be discussed here.
> Using such an ID-based technology and a directory system (such as GRIDS),
> services and virtual machines can migrate to any desired server much easily
> without a need of an explicit IP address change between VMs, by keeping the
> same ID. In this context, location address can be composed of the address of
> the top of the rack switch that a server connects to and an additional
> server number.
>
Yes. That is essentially the use case we developed at Facebook and is
being deployed. ILA is being used for that, the mapping service is
still TBD to get to the goal of being able to migrate and task or VM.

Tom

> Directory system can also be utilized for load balancing in this scenario.
> See, e.g., the paper titled “VL2: A scalable and flexible data center
> network”.
>
>
>
>
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