From: jonatale@xxxxxxxxxxxxx
Date: Sat Oct 06 2001 - 14:09:34 GMT-3
I think DPT is a ring based technology, the other two are [physically] p2p. The
driving force I imagine is that allot of existing fiber/SONET is laid (somethi
ng I need to get) out as rings, or more specifically counter rotating rings (li
ke FDDI); this provides greater protection against
fiber breaks. But I think DPT scrapped allot of the SONET overhead stuff that n
ever really got used (like when FR took over X25). I hope this helps -- I know
there are allot of "I thinks" here, but you can do the foot work and verify/dis
pute my claims (I'd be happy to know what you find
if you care to write back. Thanks, and good luck.
Mas Kato wrote:
> [demime could not interpret encoding binary - treating as plain text]
> Sorry for the off-topic post, but I've heard from other forums and wanted to
hear from others working "where the rubber meets the road."
>
> The Cisco 7xxx line supports at least three modes of transport at OC-12 rates
:
>
> DPT - Dynamic Packet Transport (proprietary, SONet-like)
> ATM - UNI
> POS - Packet over SONet
>
> I was just wondering what the state-of-the-moment preferred transports are wh
en NSPs need to lob in an OC-12 into an enterprise or medium-to-large POP. At o
ne point in time ATM OC-12c was the way to go, but there has certainly been a l
ot of buzz revolving around POS. What about DPT?
>
> I'd be curious to know what trends you all are seeing out there...
>
> Thanks in advance-
>
> Regards,
>
> Mas
>
> Mas Kato
> https://ecardfile.com/id/mkato
>
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