[c-nsp] 8 Racks of Servers and Growing; switch/layout recommendations

[Dobbins, Roland]

On Dec 24, 2009, at 12:48 AM, Buhrmaster, Gary wrote:

>   Cabling costs (tends to favor tor)

Concur.

>   Virtualization (layer-2 requirements, tends to favor eor)

Disagree - how do you think EoR is better in this regard?

>   bisection bandwidth (tends to favor eor)

Disagree again.

>   Racks (tends to favor tor since 1U is "free")

Concur.

>   Redundancy (arguments on both sides, power, supervisor, links...)

Concur.

>   10Gb/sec server plans (and how that effects the other issues)

Not an issue, given N5K and blade switches, IMHO.

>   Flexibility (tends to favor eor - any service at any port)

Strongly disagree - service switches are the answer for this.

>   Unified fabric plans (currently in the Nexus line)

Again, if you go N5K/N7K, this isn't an issue either way.

>   Cost (will depend on the eor/tor switch chosen, of course)

Concur.


-----------------------------------------------------------------------
Roland Dobbins <rdobbins at arbor.net> // <http://www.arbornetworks.com>

    Injustice is relatively easy to bear; what stings is justice.

                        -- H.L. Mencken