Re: A BIT OT : PER PACKET LOAD BALANCING AND SLOW WAN LINKS

I agree with Scott. MLPPP works great in almost any situation. Just
remember to turn off frag :)

Sent from my iPhone

On Sep 7, 2009, at 5:41 PM, Scott M Vermillion <scott_ccie_list_at_it-ag.com
> wrote:

> I think the point probably was meant to be that it's generally
> speaking *not* appropriate for high-speed links carrying lots of
> different traffic flows, where there are likely better ways to load
> balance. That's not to say that it necessarily *is* appropriate for
> lower-speed links, IMHO, but rather, under a limited set of
> circumstances, it *might* be. In cases where I need to load balance
> a single flow or a low number of flows over a couple of low-speed
> links, I generally turn to MLPPP. That way you don't hose UDP (etc)
> with unordered packets. Yes, you pay a small tax in overhead for
> this benefit.
>
> It's been a good while now, but I occasionally deploy multicast for
> a client to support a video feed from a satellite downlink. In one
> case I had to backdoor this feed offsite from where the satellite
> receiver was located to a facility where I had two T-1s available.
> The video feed was roughly 2.5 Mbps. I initially attempted per-
> packet load balancing (I did mention this was some years ago didn't
> I?) but the codecs in the Set Top Boxes would not lock up on the
> unordered packets coming their way. MLPPP solved that little
> problem quite nicely.
>
> Bottom line is that you need to know your traffic flows before
> considering such an approach and there are viable alternatives out
> there.
>
> On Sep 7, 2009, at 4:18 , wdf wefwe wrote:
>
>> Hi all ,
>>
>> can anyone pls tell me why per-packet load balancing is suitable for
>> slow wan links (from page 339 of Diane Teare CCDA book)
>>
>> thanks
>>
>> CCNAx3 (Voice , Security , Wireless)
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
>> _______________________________________________________________________
 

>> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
 

> Subscription information may be found at:http://www.groupstudy.com/
> list/CCIELab.html

Blogs and organic groups at http://www.ccie.net
Received on Mon Sep 07 2009 - 18:49:29 ART