[cisco-voip] Phone tftp client vs ftp client

[Peter Slow]

The real difference would become much more obvious when you had
multiple sites connected via a low bandwidth, high latency, or highly
utilized WAN link where not all sites had CUCM servers running TFTP.
At that point it would increase performance by orders of magnitude.

On Thu, Apr 22, 2010 at 7:18 PM, Jason Aarons (US)
<jason.aarons at us.didata.com> wrote:
> I just did a large deployment where we changed loads with Peer Firmware
> Sharing. On the phone LCD at fetch start you see the ip address it’s getting
> it from.  Not sure I could tell it was faster as the original network was
> GigE and all local LAN with tftp local lan.
>
>
>
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Norton, Mike
> Sent: Thursday, April 22, 2010 3:40 PM
> To: Joe Martini (joemar2); Lelio Fulgenzi; Wes Sisk (wsisk)
> Cc: cisco-voip voyp list
> Subject: Re: [cisco-voip] Phone tftp client vs ftp client
>
>
>
> I’m aware of that, but it’s not really the same thing. BitTorrent transfers
> itty bitty pieces of the file amongst all peers simultaneously in a
> completely ad-hoc fashion, whereas Cisco Peer Firmware Sharing transfers the
> entire file from one peer to another in a hierarchical fashion.
>
>
>
> --
>
> Mike Norton
>
> I.T. Support
>
> Peace Wapiti School Division No. 76
>
> Helpdesk: 780-831-3080
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> Direct: 780-831-3076
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>
>
> From: Joe Martini (joemar2) [mailto:joemar2 at cisco.com]
> Sent: April-22-10 1:31 PM
> To: Norton, Mike; Lelio Fulgenzi; Wes Sisk (wsisk)
> Cc: cisco-voip voyp list
> Subject: RE: [cisco-voip] Phone tftp client vs ftp client
>
>
>
> There’s already something similar called Peer Firmware Sharing:
> http://www.cisco.com/en/US/prod/collateral/voicesw/ps6882/ps6884/white_paper_c11-583891.html
>
>
>
> Joe
>
>
>
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Norton, Mike
> Sent: Thursday, April 22, 2010 2:48 PM
> To: Lelio Fulgenzi; Wes Sisk (wsisk)
> Cc: cisco-voip voyp list
> Subject: Re: [cisco-voip] Phone tftp client vs ftp client
>
>
>
> BitTorrent would be an awesome choice of protocol, methinks. The more phones
> you have, the faster they’d load.
>
>
>
> --
>
> Mike Norton
>
> I.T. Support
>
> Peace Wapiti School Division No. 76
>
> Helpdesk: 780-831-3080
>
> Direct: 780-831-3076
>
>
>
>
>
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Lelio Fulgenzi
> Sent: April-22-10 12:05 PM
> To: Wes Sisk
> Cc: cisco-voip voyp list
> Subject: Re: [cisco-voip] Phone tftp client vs ftp client
>
>
>
> well, considering Connection does directory updates via SMTP, you never know
> what might happen.
>
>
>
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> Cooking with unix is easy. You just sed it and forget it.
>                               - LFJ (with apologies to Mr. Popeil)
>
>
> ----- Original Message -----
> From: "Wes Sisk" <wsisk at cisco.com>
> To: "Jason Aarons (US)" <jason.aarons at us.didata.com>
> Cc: "cisco-voip voyp list" <cisco-voip at puck.nether.net>
> Sent: Thursday, April 22, 2010 2:01:00 PM GMT -05:00 US/Canada Eastern
> Subject: Re: [cisco-voip] Phone tftp client vs ftp client
>
> Anything not released is roadmap and under NDA.  I've not heard any ftp
> discussions but I have heard other transfer protocols discussed.
>
> /Wes
>
> On Thursday, April 22, 2010 1:47:38 PM, Jason Aarons (US)
> <jason.aarons at us.didata.com> wrote:
>
> I wonder if there are any long term plans to switch from tftp to ftp as
> phone image files keep growing  larger…..seems a phone across a slow wan
> shouldn’t take 15-20 minutes to upgrade a 9MB image.  I switched to ftp/http
> for router upgrades years ago as it was almost twice as fast. Wish the
> phones would change from tftp to ftp or http, etc.
>
>
>
> TFTP benefits
>
>   Small footprint client
>
>
>
> TFTP limitations
>
>   ACK every packet
>
>   512 byte packet size maximum
>
>
>
> FTP benefits
>
>    1500 byte packets
>
>    Scaling windows TCP, etc
>
>    No real drawbacks except client footprint is larger
>
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