Re: Proposed Charter Text

Magnus Westerlund <magnus.westerlund@ericsson.com> Mon, 27 January 2020 14:07 UTC

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From: Magnus Westerlund <magnus.westerlund@ericsson.com>
To: "magnus.westerlund=40ericsson.com@dmarc.ietf.org" <magnus.westerlund=40ericsson.com@dmarc.ietf.org>, "quic@ietf.org" <quic@ietf.org>
Subject: Re: Proposed Charter Text
Thread-Topic: Proposed Charter Text
Thread-Index: AQHV1QxjvPDTcWegp0eJWJe1gsp2N6f6YuYA
Date: Mon, 27 Jan 2020 14:07:41 +0000
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Hi,

Due to the reshuffeling it may be hard to see exactly what is changing. So to
clarify in text what is being changed. 

The big change is to allow work on three "extension": Version Negotiation,
datagram (these two are listed under fourth focus area) and how to better
support load balancers (fifth focus area). 

Otherwise the changes are:
- removal of the initial input drafts to base the work on in first paragraph.
- Reshuffling of the paragraphs, the one "current practices for network
management ..." is moved down. 
- Removal of pragaraph regarding interim during first year. 
- Removal of stand alone paragraph preventing extension work. The no other
extensions is now baked into paragraph on fourth focus area. 
- Clarification that mapping work may also be done outside of QUIC WG. 

Cheers

Magnus Westerlund

On Mon, 2020-01-27 at 12:22 +0000, Magnus Westerlund wrote:
> WG,
> 
> Below you will find the draft charter text proposed by ADs and WG chairs. I
> intended to have the IESG agree to send this out for External Review at the
> next
> IESG meeting (2020-02-06). So if you have any comments and proposal for
> changes
> now is a good time. 
> 
> Below is a copy of the current draft in the datatracker:
> https://datatracker.ietf.org/doc/charter-ietf-quic/
> 
> Diff: 
> 
https://www.ietf.org/rfcdiff?url1=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fcharter-ietf-quic%2Fwithmilestones-01.txt&url2=https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fcharter-ietf-quic%2Fwithmilestones-01-00.txt
> 
> QUIC WG Draft Charter (01-00)
> 
> The QUIC working group will provide standards-track specifications for a
> UDP-
> based, stream-multiplexing, encrypted transport protocol, based on
> pre-
> standardization implementation and deployment experience.
> 
> Key goals for QUIC are:
> 
> - Minimizing connection establishment and overall transport latency for
> applications, starting with HTTP/2; - Providing multiplexing without
> head-of-line blocking; - Requiring only changes to path endpoints to enable
> deployment; - Enabling multipath and forward error correction extensions; and
> -
> Providing always-secure transport, using TLS 1.3 by default.
> 
> The work of the group will have five main focus areas, corresponding to five
> core deliverables.
> 
> The first of these is the core transport work, which will describe the wire
> format, along with the mechanisms for connection establishment, stream
> multiplexing, data reliability, loss detection and recovery, congestion
> control, and options negotiation. Work on congestion control will describe use
> of a standardized congestion controller as a default scheme for QUIC. Defining
> new congestion control schemes is explicitly out of scope for this group. QUIC
> is expected to support rapid, distributed development and testing of features.
> 
> The second of these focus areas is security. This work will describe how the
> protocol uses TLS 1.3 for key negotiation and will also describe how those
> keys
> are used to provide confidentiality and integrity protection of both
> application data and QUIC headers. This work will ensure that QUIC has
> security
> and privacy properties that are at least as good as a stack composed of TLS
> 1.3
> using TCP (or MPTCP when using multipath).
> 
> The third focus area will describe mappings between specific application
> protocols and the transport facilities of QUIC. The first mapping will be a
> description of HTTP/2 semantics using QUIC, specifically with the goal of
> minimizing web latency using QUIC. This mapping will accommodate the extension
> mechanisms defined in the HTTP/2 specification. Upon completion of that
> mapping, additional protocols may be added by updating this charter to include
> them, or working elsewhere.
> 
> The fourth focus area will be on extensions to core protocol facilities, to
> enable datagram delivery, version negotiation, and multipath capabilities.
> Other extensions are out of the scope of this charter.
> 
> The fifth focus area will provide an Applicability and Manageability
> Statement,
> describing how, and under what circumstances, QUIC may be safely used, and
> describing deployment and manageability implications of the protocol.
> Additionally, the Working Group will delivery a mechanism to assist load
> balancers in their handling of QUIC.
> 
> Current practices for network management of transport protocols include the
> ability to apply access control lists (ACLs), hashing of flows for equal-cost
> multipath routing (ECMP), directional signaling of flows, signaling of flow
> setup and teardown, and the ability to export information about flows for
> accounting purposes. The QUIC protocol need not be defined to enable each of
> these abilities, or enable them in the same way as they are enabled by TCP
> when
> used with TLS 1.3, but the working group must consider the impact of the
> protocol on network management practices, reflecting the tensions described in
> RFC 7258.
> 
> Note that consensus is required both for changes to the current protocol
> mechanisms and retention of current mechanisms. In particular, because
> something is in the initial document set does not imply that there is
> consensus
> around the feature or around how it is specified.
> 
> The QUIC working group will work closely with the HTTPbis working group,
> especially on the QUIC mapping for HTTP/2.
> 
-- 
Cheers

Magnus Westerlund 


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