netdev - Re: Implementing Deficit Round Robin for different irtual interfaces

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Date:	Sat, 7 Feb 2015 12:53:30 +0100
From:	ronald pina <pinaronald@...il.com>
To:	netdev <netdev@...r.kernel.org>
Subject: Re: Implementing Deficit Round Robin for different irtual interfaces

Hello
I am working for my Msc thesis on computer engineering,  my primary
goal is to introduce scheduling with priorities over different
networking interfaces, it can be very valuable on virtual machines
like Xen and as far as i have studied, Xen is scheduling the virtual
network interfaces  in round-robin fashion, i would like to improve
this and to use Deficit Round Robin, I think the better way is to
integrate the DRR in tc  and   to make the scheduling decisions based
on virtual network interfaces which belongs to different guests as
shown from the diagram in atach.

I would like to ask which function on source code may be a starting
point to realize that kind of scheduling? What are the opportunities
to involve the DRR as a standard scheduler in tc for later use?

Kind regards
Ronald

On Sat, Feb 7, 2015 at 12:52 PM, ronald pina <pinaronald@...il.com> wrote:
> Hello
> I am working for my Msc thesis on computer engineering,  my primary
> goal is to introduce scheduling with priorities over different
> networking interfaces, it can be very valuable on virtual machines
> like Xen and as far as i have studied, Xen is scheduling the virtual
> network interfaces  in round-robin fashion, i would like to improve
> this and to use Deficit Round Robin, I think the better way is to
> integrate the DRR in tc  and   to make the scheduling decisions based
> on virtual network interfaces which belongs to different guests as
> shown from the diagram in atach.
>
> I would like to ask which function on source code may be a starting
> point to realize that kind of scheduling? What are the opportunities
> to involve the DRR as a standard scheduler in tc for later use?
>
> Kind regards
> Ronald

Download attachment "drr-on-xen.jpg" of type "image/jpeg" (27832 bytes)