On 4 Apr 2005, at 09:25, Shaoul Jacobson - TELLINK wrote:
Hi,
QoS is nice (and important) but only works within a FULLY controlled end to
end link.
Inside a BIG enterprise LAN, on leased lines its OK.
Using end to end MPLS should also be ok
Mind that some provider sell MPLS but it is not their own MPLS end to end.
Going from one provider on MPLS to another on MPLS, you lose all the
benefits. No control.
Using the World Wide Wait (Internet) it will not help.
A waste of money. My 2 cents.
I'm not sure I totally agree. It is also useful if you control the narrowest pipe.
Take the example of several sub-offices joined to a head office PBX over
'public' ADSL lines. Let's say the company buys all the ADSL lines from the
same provider.
In such a set-up, the uplink side of the sub-office ADSL links are
likely to be the main bandwidth limit.
A well configured router there will slow outgoing email etc to preserve
the quality of current VOIP sessions.
Sure, the provider may have internal bandwidth constrictions, but they are unlikely to kick in before the 256k up channel of a typical ADSL.
Oh, and, the web and the internet are not the same thing. Think like that and you'll forget mail. Which is a huge bandwidth consumer, and can stand being delayed by a second or two.
Tim.
http://www.westhawk.co.uk/
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