Re: [Ietf-message-headers] Permanent message header field registration for traceparent and tracestate

Julian Reschke <julian.reschke@gmx.de> Sun, 24 November 2019 20:44 UTC

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To: =?UTF-8?Q?Philippe_Le_H=c3=a9garet?= <plh@w3.org>, "ietf-message-headers@lists.ietf.org" <ietf-message-headers@lists.ietf.org>
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From: Julian Reschke <julian.reschke@gmx.de>
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Date: Sun, 24 Nov 2019 21:39:06 +0100
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Subject: Re: [Ietf-message-headers] Permanent message header field registration for traceparent and tracestate
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On 24.11.2019 21:27, Philippe Le Hégaret wrote:
> I'd like to update two entries from provisional to permanent.
>
> Header field name: traceparent
> Applicable protocol: http
> Status: permanent
> Change Controller:
>    Distributed Tracing Working Group
>    https://www.w3.org/2018/distributed-tracing/
>    public-trace-context@w3.org
> Specification:
>    https://www.w3.org/TR/trace-context/#traceparent-field
> ...

The spec link's anchor doesn't work for me.
<https://www.w3.org/TR/trace-context/#traceparent-header> does, though.

Quoting:

> 3.2 Traceparent Header
>
> The traceparent HTTP header field identifies the incoming request in a tracing system. It has four fields:
>
>     version
>     trace-id
>     parent-id
>     trace-flags

So what is the actual syntax of the header field?

Best regards, Julian