[cisco-voip] GiGE phones -what for?!?

[Nikola Stojsin]

I have a client (engineering firm) that insisted on gigabit-to-the-desktop,
and in fact turned out to have a genuine need for it (heavy 3D CAD, very
large files). GiGE phones ended up being a requirement, mostly to support
gigabit speed for the workstations behind them. This was paired with a SAN
on the backend side, and the whole setup worked/works pretty well. 

In the setup you describe, especially without a SAN/10G connection(s) to the
server(s), GiGE phones appear to be overkill. On the other hand, I do not
know how much you want to take into account that at some point in the future
gigabit-to-the-desktop is going to become standard, and that you may want to
get there early etc. etc.

HTH,
Nikola
 
---------------------------
Nikola Stojsin
PhD CCIE #12888
Nikola at att.net
(917) 558-1423
---------------------------


-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Netfortius
Sent: Tuesday, August 01, 2006 11:05 PM
To: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] GiGE phones -what for?!?

Thanks to all who responded with suggestions - I will try to address the 
issues from my perspective:
- if the workstations "behind" the phones would need GiGE, then something
"at 
the other end" may require such, as well. In an office environment, though, 
at the other end is either a server (file shares), or a connection to a 
remote site. The former, then, would require itself at least a 10 GiGE 
connection to be able to support those workstations, which is not available,

and - based on regular office applications - it is hard to believe that
they, 
themselves would be able to push this much on the wire (I liked/appreciated 
the idea of medical imaging, but this is not our case). The latter would 
obviously find its limitations in the bandwidth available inter-sites, so 
that is not an argument, either;

- video for the phones: this is not the type of phones they are getting, to 
begin with. Under the assumption of future (not near) deployment of 
video-based ones, I would expect a drop in price for the modules, and the 
only restriction in such a case between the 4500s we were suggesting, and
the 
6500's  they would like becoming the backplane capacity (96 Gbps now for 
4500's vs. 720 Gbps for the 6500's). In this [unlikely] scenario I would 
expect higher capacity backplanes being made available for the 4500's, by
the 
time of "must have video on every phone in the office".

To simplify my original question: does anybody have real life examples of
GiGE 
deployment for office environments, with GiGE-based phones?

Thanks again,
Stefan

On Tuesday 01 August 2006 20:13, Rob Gault wrote:
> What about the switch port in the phone, are you connecting pc's to the
> them?  If so then are there requirements for GigE for desktop apps;
> which would require the phones to be GigE capable wouldn't it?
>
> Rob
> -----Original Message-----
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Dixon, Wayne
> Sent: Tuesday, August 01, 2006 9:00 PM
> To: netfortius at gmail.com; cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] GiGE phones -what for?!?
>
> The only thing I could think of that MIGHT require GigE would be
> video... If you were going to do that... Otherwise I would think it
> might be overkill.
>
> Wayne
>
>
>
> -----Original Message-----
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Netfortius
> Sent: Tuesday, August 01, 2006 7:57 PM
> To: cisco-voip at puck.nether.net
> Subject: [cisco-voip] GiGE phones -what for?!?
>
>
> Hi, everyone,
>
> I have had a strange request from a subsidiary of ours, in regards to a
> new
> VoIP network design, in an office environment with 100-150 users, in
> regards
> to supporting GiGE to the all the end points, and high end 6500's at the
>
> core, w/720 SUP's. The Cisco reps were asking for that presumably
> because of
> need to support GiGE phones. And here is my question: what would you use
>
> Cisco GiGE phones for (what application on the phone would be able to
> push
> and require such port speeds)?!?
>
> As as a side note: our original design provided 4500's and 10/100
> modules to
> the end points, except for a module with GiGE for file servers
> connectivity.
> Of course the pricing of the former is triple compared to the latter,
> but I
> would like to find out some technical aspects related to justifying the
> first
> option, before even bringing up the cost issue.
>
> Thanks,
> Stefan
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