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Re: 100Mbs EoSDH. Use vc3 or vc12?

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Aldbert

unread,
Nov 7, 2011, 7:10:00 PM11/7/11
to
erik wrote:
> Hi
> What is the recommended container to use for 100Mbs EoSDH?
> VC3-2v or VC12-42v?
In my opinion, the most optimal way of mapping FE using virtual concatenation is
using VC-12-46v that allows for full rate and has 99.9% of bandwidth utilization.
The two option you propose don't allow to have full rate: in this case the
optimal mapping depends on the bandwidth you wish to provide.

>
> Is there a significant difference in the tthroughput?
VC-3-2v: 96768 kbit/s
VC-12-42v: 91392 kbit/s

>
> I would think that VC3-2v is easier to set up and manage?
In my opinion they can be managed with the same complexity.

>
> Br
> Erik Oestby.
Ciao, Aldbert

Stephen

unread,
Nov 12, 2011, 5:05:30 PM11/12/11
to
On Mon, 7 Nov 2011 11:11:47 -0800 (PST), erik <erik....@yahoo.no>
wrote:

>Hi
>What is the recommended container to use for 100Mbs EoSDH?
>VC3-2v or VC12-42v?
>
most equipment i have seen can support various options - the other
main one is VC-4

>Is there a significant difference in the tthroughput?

it all depends on the overhead.

vc12-xxv is useful if you are short of capacity and wnat to allocate
bandwidth to a fractional speed link in 2 Mbps chunks (eg over a
microwave backhaul).
>
>I would think that VC3-2v is easier to set up and manage?

definitely (at least when things go wrong / get complicated) - which
may be why this is what i have seen in in every case bar 2.
>
>Br
>Erik Oestby.
--
Regards

stephe...@xyzworld.com - replace xyz with ntl
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