[LARTC] Re: ADSL overhead patch

[LARTC] Re: ADSL overhead patch

[Andy Furniss]

Jesper Dangaard Brouer wrote:

> Hmm, I just googled/looked at Ed Wildgoose's patch, and I is not 
> correct/precise.  You can read why my patch is correct/precise in 
> Section 6.1.2 of the Thesis (which gives a description of the patch).

Yes it was always not quite perfect - but it was safe - a cell too safe 
Ed knew this.

I just made one for UK like you do it - but nowhere near as 
comprehensivly - It doesnt do mpu/overhead as just assumes you already 
hacked whatever calls rtab to be aal5_len - 1, which as you say is just 
one line in htb.

> 
> 
>> Mine is for UK pppoatm but if you know your overheads it's easy to 
>> modify - Do you? there are tables in the doc linked to.
> 
> 
> In Chapter 5, I have tried to summarize the different types of 
> encapsulation methods and their according overheads, for easy reference.
> 
> Is is still a problem figuring out, which type of encapsulation your 
> specific ADSL connection is using...

Yes I agree it can look confusing, life is easier if like me you have a 
modem that gives a cell count and a quiet link. It's just a case of 
sending various sized pings then.


Andy.
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