Re: Rate shaping in Active E FTTx networks

2012-07-29 Thread Mark Tinka
On Thursday, July 26, 2012 09:45:14 PM Jason Lixfeld wrote: > Is that a lot to ask for one box? The ridiculously deep > buffers required in order to shape to PIR vs. police to > it (because policing to a PIR is just plain ugly) and > the requirements to perform any sort of preferential > packet t

Re: Rate shaping in Active E FTTx networks

2012-07-27 Thread Phil
On the downstream end the limiting is usually done on the subscriber aggregation equipment. Router vendors sell linecards with large amounts of queue capability for this reason. This is where you would introduce some kind of QoS to deal with video or voice as well. Upstream could be done the

Re: Rate shaping in Active E FTTx networks

2012-07-27 Thread Jared Mauch
Many CPE platforms have the rate limit built in. Some (eg: Zhone) do this in 1mbps increments. Ideally there would be some greater level of granularity but it seems to work. You can obviously police on the other end as well if required. Jared Mauch On Jul 26, 2012, at 3:45 PM, Jason Lixfeld

Re: Rate shaping in Active E FTTx networks

2012-07-27 Thread Jeff Kell
On 7/26/2012 11:21 PM, Erik Muller wrote: > I've seen a few deployments using Packeteer's (now BlueCoat) > PacketShaper for this purpose; the only downside I've heard with that > platform is cost. Sandvine and Fortinet are a couple other options > that have different approaches, but have a lot of

RE: Rate shaping in Active E FTTx networks

2012-07-26 Thread Mark Gauvin
Juniper dynamic application awareness does a decent job and so does the cisco counterpart saves buying more hw From: Erik Muller [er...@buh.org] Sent: Thursday, July 26, 2012 10:21 PM To: nanog@nanog.org Subject: Re: Rate shaping in Active E FTTx networks

Re: Rate shaping in Active E FTTx networks

2012-07-26 Thread Erik Muller
On 7/26/12 12:45 , Jason Lixfeld wrote: Hi all, I'm trying to gauge what operators are doing to handle per-subscriber > Internet access PIR bandwidth in Active E FTTx networks. I presume operators would want to limit the each subscriber to a certain PIR, but within that limit, do things like