On 5/3/2011 3:58 PM, John Stoffel wrote: > Will> Looking into packet-shaping appliances for our WAN connection > Will> here (100Mbps Metro-Eth)... At a former employer we used > Will> Packeteer, which I see has now been acquired by BlueCoat... It > Will> was a good solution for us (WAN there was NxT1, N = 3, then 4) > > Will> What questions should I be asking, and which vendor(s) do you > Will> recommend? > > If at all possible, get the major vendors to lend you products so you > can run tests on your own traffic. We did this 2+ years ago with > Silverpeak (who we went with), Riverbed and possibly Bluecoat. > > Most of our traffic is Netapp SnapMirror, and at the time Silverpeak > did the best job for us. The reporting still isn't great, since it's > *really* annoying to trying to find the current flow which is hogging > your pipe at that moment. > > But otherwise, they're rock solid and just work. We haven't had any > major problems with them at all, and they do make a difference. > > Of course, none of these products are perfect, and if you have large > latency, it's going to suck any way. Look back in the Sage and Lopsa > archives for my rants on this in the past. > Funny, we're going to start a silverpeak demo "any day now", though we don't have the 'identifying the flow' problem perse since we use a different tool (sflow + ManageEngine) to figure that part out pretty easily. Silverpeak looks like it will just plug into our stuff transparently, which is nice. At a previous employer we used HyperIP from Netex, but they stopped making that appliance and went to a VM only solution. We're a bit of a different model than most though with far fewer streams and just more throughput per stream, so the licensing model doesn't exactly fit our niche. (big pipe, but small number of concurrent streams)
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