Re: Switch/Router speed issues w/power 7 & V7.1

[Kirk Goins <kirkgoins@xxxxxxxxx>]

Some one was having a problem with LAN Console ( I think ) until IBM told
them to but it on a GB Switch.... I will see if I can find it in the
archives here.

On Tue, Mar 29, 2011 at 4:56 AM, DrFranken <midrange@xxxxxxxxxxxx> wrote:

> Not terribly likely.  Since POWER5 we've been dealing primarily with GbE
> network connections. If your current network is all 10Mb then yes you'll
> be needing to put a few bucks into that but I don't have a single
> customer still running that slow and can't think of many that aren't at
> GbE speeds already.
>
> Do remember that for MOST IBM i Installations the actual amount of data
> going in and out of the Ethernet lines isn't really very much. This is
> due to the fact that most applications AND their data are both inside
> the machine. As a consequence we send in 'requests' resulting in
> programs running against data and then receive 'answers'.  The request
> often is in the under 1000 bytes range (1 Ethernet packet) while the
> response can also be that size at least in 5250 land. Web traffic of
> course is higher.  When I look at traffic graphs for the Network
> connections on virtually every machine I work on, the traffic graph is a
> near flat line just above, but not much above, zero.
>
> So while a good healthy network *IS* important, unless you know your
> application will be sending 10's of MB of data on a frequent basis your
> basic GbE switch will have no problem with POWER7.
>
>     - Larry "DrFranken" Bolhuis
>
> On 3/29/2011 6:56 AM, Don Cavaiani wrote:
> > Did someone just recently mention that switches and routers may have to
> > be upgraded to match the speed of the power 7?
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