New Zealand ADSL Mailing List


RE: DSL asymmetry prevents VPN office-to-office connection

From: Juha Saarinen <juha_at_saarinen.org>
Date: Tue, 22 Feb 2000 12:09:19 +1300
Message-ID: <LNBBIBDBFFCDPLBLLLHFIEIFGPAA.juha@saarinen.org>

%-> What I am suggesting is that if you have three sites, each with ADSL at
%-> 6M/384, in a head office / branch office situation, the two
%-> branch offices
%-> would have to share the 384 upstream from the head office.
%->
%-> If the head office had SDSL, it would have maybe 2M each way,
%-> and that 2Mb
%-> upstream would then be shared by the two branch offices, this
%-> is far more
%-> exagerated with more than two branch offices.
%->
%-> Therefore the SDSL higher quality service may cost more and
%-> effectively have
%-> lower down rates, but it would be able to service more branch offices,
%-> making the VPN a more productive one. I am interested to know
%-> if this would
%-> be a more interesting service to small businesses than all ADSL ?
%->
%-> Arron Scott

Absolutely.

Considering that very few sites are capable of a sustained throughput over
the 1Mbit/s mark, anyone with a business presence on the 'Net, be it for VPN
or other services, would appreciate a boost in upstream performance whilst
sacrificing unused downstream capacity.

However, all the talk about increased bandwidth is a bit meaningless unless
we also get lower latency...

-- Juha

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Received on Tue Feb 22 12:10:37 2000


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