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

<Ruediger.Geib@telekom.de> Mon, 23 April 2018 11:24 UTC

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From: Ruediger.Geib@telekom.de
To: swmike@swm.pp.se
CC: tsvwg@ietf.org
Thread-Topic: AW: [tsvwg] residential broadband BCP PHB and CP treatment Re: CC/bleaching thoughts for draft-ietf-tsvwg-le-phb-04
Thread-Index: AQHT2Kmg+YN34KgpP0edlu+LIcnp5aQKEeQAgACk2wCAA1VXEIAAETqAgAAYoDA=
Date: Mon, 23 Apr 2018 11:23:55 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/tsvwg/j1HdHHEhUDdBoINWYqK6xkobId8>
Subject: Re: [tsvwg] residential broadband BCP PHB and CP treatment Re: CC/bleaching thoughts for draft-ietf-tsvwg-le-phb-04
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Mikael,

and it's not easier for me to understand your discussion.

Let's focus on text related to drafts then.

Regards,

Ruediger

-----Ursprüngliche Nachricht-----
Von: Mikael Abrahamsson [mailto:swmike@swm.pp.se] 
Gesendet: Montag, 23. April 2018 11:42
An: Geib, Rüdiger <Ruediger.Geib@telekom.de>
Cc: tsvwg@ietf.org
Betreff: Re: AW: [tsvwg] residential broadband BCP PHB and CP treatment Re: CC/bleaching thoughts for draft-ietf-tsvwg-le-phb-04

On Mon, 23 Apr 2018, Ruediger.Geib@telekom.de wrote:

> [RG] RFC8100 is about deployment of end-to-end PHBs in the presence of 
> DSCP remarking. Do I get that correct, you propose end-to-end DSCPs to 
> support local or endpoint PHB deployment?

I feel like what my wife probably feels when she says "3G" and means "mobile data" and I correct her (I stopped doing that).

I have no idea what you just said if that's what I want.

> [RG] draft-ietf-tsvwg-rtcweb-qos is restricted to home-networks, 
> residential networks and local wireless networks. It says "There are 
> cases where these DSCP markings do not help, but, aside from possible 
> priority inversion for "less than best effort traffic" (see Section 
> 5), they seldom make things worse if packets are marked 
> appropriately." And later " WebRTC use of multiple DSCP values may 
> encounter network blocking of packets with certain DSCP values." Are 
> you suggesting any changes to that?

No. That text seems fine.

> [RG] Interestingly, DSCP 46 / EF is the one next to default which can 
> almost be linked to end to end standard PHB and DSCP - if sender and 
> receiver have a service agreement in place. That holds for Germany 
> (public telephony, L3 VPNs, business and wholesale products, wireless 
> and IP sections of wireline packet transport).

This is exactly why I proposed to send it into the DSCP 2-63 queue instead of being sent into BE or LE queues.

-- 
Mikael Abrahamsson    email: swmike@swm.pp.se

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