It is so hard to get the available bandwidth in real time. But you can count it
by using OpenFlow.stats packets.
About the weight, I suppose the most important part is the proportion. I can
get 1:1 proportion by using double weight as 50. But I am not pretty sure about
it. You can find some examples by google.
------------------
Li Cheng ????_____________________________________________________
School of Information and Communication Engineering
Beijing University of Posts and Telecommunications
Beijing 100876, PR China
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------------------ ???????? ------------------
??????: "Flavio Junior";<[email protected]>;
????????: 2015??1??21??(??????) ????9:04
??????: "Minoru TAKAHASHI"<[email protected]>;
????: "ryu-devel"<[email protected]>; "Padma
Jayasankar"<[email protected]>;
????: Re: [Ryu-devel] How to find available bandwidth of a link inOpenFlow
Estimating available bandwidth is kind of a big deal.
Flavio Castro
On Wed, Jan 21, 2015 at 12:22 AM, Minoru TAKAHASHI
<[email protected]> wrote:
Hi,
On 2015??01??19?? 15:25, Padma Jayasankar wrote:
> Hi,
> For my project i have to do load balancing based on available bandwidth.
> How to find the available bandwidth from the no of bytes transmitted on a
> link. Please clarify.
I think that OpenFlow and Ryu does not have the ability to get the available
bandwidth directly.
It might this value can be calculated by using the mechanism of OpenFlow
specification.
> Further,if i use 'select' group type of group tables then what should be
> the range of 'weight' value to be specified in the buckets.
range of "weight" is uint16_t (0 ~ 65535).
"weight" of the details are described in "7.3.4.2 Modify Group Entry Message"
of OFspec1.3.4.
>
> Thanks and Regards,
> Padma V
>
>
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New Year. New Location. New Benefits. New Data Center in Ashburn, VA.
GigeNET is offering a free month of service with a new server in Ashburn.
Choose from 2 high performing configs, both with 100TB of bandwidth.
Higher redundancy.Lower latency.Increased capacity.Completely compliant.
http://p.sf.net/sfu/gigenet
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------------------------------------------------------------------------------
New Year. New Location. New Benefits. New Data Center in Ashburn, VA.
GigeNET is offering a free month of service with a new server in Ashburn.
Choose from 2 high performing configs, both with 100TB of bandwidth.
Higher redundancy.Lower latency.Increased capacity.Completely compliant.
http://p.sf.net/sfu/gigenet
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