So Rogers has lost me as a customer...

[James Knott]

Lennart Sorensen wrote:
> On Tue, Jan 31, 2006 at 05:23:23PM -0500, Andrew Hammond wrote:
>> Sure, but they only measure throughput of the file you're  
>> transferring. They don't include any of the overhead. You need to  
>> consider the overhead as well if you're going to make a serious  
>> analysis of the actual speed of your connection.
> 
> http is quite efficient and doesn't have much overhead.  Comparing
> ethernet to my cable modem with ethernet to another machine should be
> quite reasonable.  I have managed about 11MB/s on 100Mbit ethernet.  So
> I think expecting 95% or so throughput on a 5Mbit cable connection is
> reasonable too.

Everything has overhead.  The more encapulation layers, the more
overhead.  Going to the modem, you've got ethernet, IP and TCP overhead.
 At the modem, you lose the ethernet overhead, but pick up DOCIS
overhead etc.

> 
>> Uh... 80% isn't amazing, but it's not too bad, at least in my  
>> opinion. Have you looked at packet loss rates?
> 
> I figure it they sell me a 5Mbit service that should be what data rate I
> can put through the ethernet interface of the cablemodem.  What overhead
> their cable signal encoding has is their problem.
> 
> Checking rogers web site it appears they have changed the extreme
> service from 5 to 6Mbit and increased the transfer limit from 60 to
> 100GB/month.  How nice of them to tell me. :)

Hmmm... I'll have to look into that.  I'm only getting 5 Mb now.
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