[c-nsp] 7600 line card comparison

SIP/SPA is the way to go.

Many of the OSMs are being phased out by SPAs.  You can get similar
per-blade densities, somewhat lower per-port cost, and the capability
for mixed interfaces on a given slot.  However, SIPs aren't fully
caught up to the OSMs  - you can't get every imaginable interface in
SPA form (yet).

The flexwan stuff is really for someone who has pile of 7200/7301 PAs
and wants to re-use them in the 7600.  But the per-port cost is higher
(than SIP) and per-blade densities are lower.

On 8/21/06, christian.macnevin at uk.bnpparibas.com
<christian.macnevin at uk.bnpparibas.com> wrote:
> Hi,
>
> We're looking at getting 76s in the wan soon. Does anyone know of a
> document or resource comparing the different
> styles of interfaces and what they're best suited for? By this I mean the
> SIPs/SPAs vs the OSMs and FlexWAN stuff.
>
> Investment protection is quite a high priority as well - noting that we
> don't see ourselves using 73s or 10ks in the near future.
>
> Cheers
> Christian.
>
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