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From Stefan Eissing <>
Subject Re: Upgrade Summary
Date Tue, 08 Dec 2015 12:21:47 GMT

> Am 08.12.2015 um 12:40 schrieb Bert Huijben <>:
>> -----Original Message-----
>> From: Stefan Eissing []
>> Sent: dinsdag 8 december 2015 11:55
>> To:
>> Subject: Re: Upgrade Summary
>>>> [...]3. When to do the upgrade dance:
>>>> a post_read_request: upgrade precedes authentication
>>> Looks like it can't be RFC compliant, is it?
>> I think it will not be, right.
> I read the spec as H2c and HTTP/1.1 are equivalent protocols. Handling
> authentication *after* switching should work just like when not switching.

It does. We are only talking about upgrade.

> As client I would like to switch as soon as possible, as at that point I can
> start multiple requests.. potentially with their own auth, using the same or
> different realms; or even different auth schemes.

Again, your easiest choice is a direct h2c connection. The second easiest is 
an initial OPTIONS * request without *request* body. The response may have 
any body length it wants. 

The options * will, as I understand it, not trigger any authentication. In
another mail, you describe that you already send such a request as 1st thing.
But you said it has a body. What does that contain, I wonder?

If you can live without that request body, we are all fine and have a simple
implementation. If we need to implement upgrades to h2c on some length
request bodies, I personally do not have the time to do that right away among
all other changes that are being discussed. At least not this week.

So, what is so relevant about the OPTIONS request body, may I ask?

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