Virtual Network Embedding

[Maarten Ectors]

Hi Pascal,

Very interested in collaborating. I have sent you a private email with the
details. If there are other people that have similar ideas or want to
collaborate on pushing the limits of current solutions, please let us
know...

Thanks,
Maarten Ectors
Cloud, Big Data and IoT Strategy Director
Changing the Future of Cloud
Ubuntu <http://ubuntu.com> / Canonical <http://canonical.com> UK LTD
maarten.ectors at canonical.com
Fixed: +44 (0) 207 630 2435
Mobile: +44 (0) 791 860 8145



On Wed, Jun 18, 2014 at 11:25 PM, Pascal Jungblut <mail at pascalj.de> wrote:

> Hello,
>
> I'd like to test Virtual Network Embedding algorithms (VNE) in the wild
> for my bachelor thesis. These algorithms find the optimal [1] mapping of a
> virtual network (e.g. services and relations) onto the actual hardware.
> However, most algorithms only take the CPU power and bandwidth of the links
> between machines into account. It would be really interesting to see what
> happens if there's latency involved and how to adapt algorithms with that
> in mind. Juju is the perfect project to implement and test an embedding
> algorithm. But being quite new to Juju, I have two related questions:
>
> - From the code in state/state.go it seems that Juju will either deploy to
> the "first" available machine or start a new one to deploy a service. In
> other words: the way new services are deployed is not yet optimized. Is
> that correct?
>
> - Is latency between machines a factor when using Juju? Services and
> relations are strictly organized in environments and so only machines in
> the same region talk to each other. Are there constellations where latency
> is an issue?
>
> I really appreciate any insight. Of course, if there's room for
> improvement, I'll gladly provide patches.
>
> Thanks
> Pascal
>
> [1] The problem is NP-hard, so heuristic algorithms are used.
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