I don't know what hardware you are using but even our older gear isn't much
higher than 20micros per hop.. within the DC even old gear is fine for
smb..
On Feb 24, 2011 1:11 PM, "Jensen Tyler" <jty...@fiberutilities.com> wrote:
> In my tests I have seen as much as a 30% drop in Windows file sharing
performance with 2 ms of latency vs <1ms. This was in a large radiology
application. Applications like FTP work without any issues. Some
applications are more sensitive(SMB). Low latency to me is measure in
microseconds not milliseconds(mostly layer 2).
>
> -----Original Message-----
> From: juniper-nsp-boun...@puck.nether.net [mailto:
juniper-nsp-boun...@puck.nether.net] On Behalf Of Jeff Cadwallader
> Sent: Thursday, February 24, 2011 11:31 AM
> To: Doug Hanks
> Cc: Juniper-Nsp List
> Subject: Re: [j-nsp] Qfabric
>
> I deal with a lot of those issues also and usually when I ask what do they
> mean by low latency the response comes back with sub-25ms. My data center
is
> all 1-2ms max on an aging platform.
>
> The other question I have is what happens to that entire logical device
when
> it fails in spectacular ways.
>
> I also agree that a sub-ms approach is needed in certain areas, however a
> tiered approach has its advantages also.
>
> We are looking and evaluating replacing our aging platform in the data
> center and will be following this closely.
>
> Jeff Cadwallader
>
> On Thu, Feb 24, 2011 at 11:15 AM, Doug Hanks <dha...@juniper.net> wrote:
>
>> A lot of our customers require low latency: financial, higher education,
>> HPC environments and utility.
>>
>> Juniper has taken the time to solve more than just the low latency
problem.
>> We're trying to solve larger problems such as how do you manage an entire
>> campus or data center as one logical device; that's able to scale; and
>> delivers performance and low latency.
>>
>> Doug
>>
>>
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