Re: [tsvwg] residential broadband BCP PHB and CP treatment Re: CC/bleaching thoughts for draft-ietf-tsvwg-le-phb-04

[<[e-mail]>]

Mikael, by "residential broadband" you mean the consumer edge device or the home gateway - a piece of equipment which today isn't located within provider premises? 

The direction of traffic at the residential broadband gateway is "to the Internet" and congestion is caused by sources within the home network. All of that is BYOD equipment (in some countries including the residential broadband gateway). 

Should that be correct, I support your idea of giving LE queuing guidance to the residential broadband gateway vendors. 

If your proposal is meant to cover other pieces of equipment, like Broadband Network Gateways, please clarify. 

Regards,

Ruediger

-----Ursprüngliche Nachricht-----
Von: tsvwg [mailto:[e-mail]] Im Auftrag von Mikael Abrahamsson

Ok, so just to make things perfectly clear. I am trying to create a BCP for residential broadband for PHB and CP treatment. This means BYOD, no contracts, no knowledge. This includes mobile, wifi, wireline etc. I would like whatever we come up with to be RFC8325 compatible and at least not conflicting with it. My goal is to go to the operator community and try to get as wide adoption of this as possible. If I succeed, this will be the new default behaviour for residential broadband access.

So, from this discussion it seems to me that what we would like to happen that would do least harm is this pseudocode.

CP is decimal representation of diffserv CP 0 to 63.

If CP => 0 then pass; # do not bleach anything

The PHB is set up like this:

If CP == 0 goto queueBE;
If CP == 1 goto queueLE;
If CP => 2 goto queueRest;

The queues are set up to drain with current ratios:

queueBE 	10
queueRest 	10
queueLE 	1

... or something along those lines, meaning queueLE gets ~5% of the capacity when the other queues are full.

If operator wants to bleach, then pseudocode changes to:

If CP == 1 then pass; # allow LE
If CP => 2 then set CP = 0; # set 2-63 to 0

The PHB is set up like this:

If CP == 1 goto queueLE;
goto queueBE;

The queues are set up to drain with current ratios:

queueBE 	20
queueLE 	1

This sums up into roughly same thing but just 2 queues and LE gets ~5%.

-- 
Mikael Abrahamsson    email: [e-mail]