Re: HTTP 2.0 in the clear and over TLS

[William Chan (陈智昌) <[e-mail]>]

Sorry, I am inexact. Some people may have previously said otherwise, but
currently to my knowledge no one is vocally opposing including a HTTP/2.0
in the clear mechanism in the spec, and the current draft spec does provide
such a mechanism.


On Mon, Jul 29, 2013 at 2:00 PM, William Chan (陈智昌)
<[e-mail]>wrote:

> No one has said otherwise. Please see the section in the spec where we
> provide a way to negotiate HTTP/2.0 in the clear via HTTP Upgrade:
> http://http2.github.io/http2-spec/#discover-http.
>
>
> On Mon, Jul 29, 2013 at 9:37 AM, <[e-mail]> wrote:
>
>>  Hi,****
>>
>> ** **
>>
>> HTTP2 must work in the clear and over TLS. This is required because
>> HTTP1.1 and HTTP2 must coexist to ease the migration to HTTP2, and to
>> accelerate HTTP2 deployments. ****
>>
>> ** **
>>
>> Regards****
>>
>> Emile****
>>
>> ** **
>>
>> *De :* Michael Sweet [mailto:[e-mail] <[e-mail]>]
>> *Envoyé :* dimanche 28 juillet 2013 14:12
>> *À :* Eliot Lear
>> *Cc :* William Chan (陈智昌) ; Zhong Yu; HTTP Working Group
>> *Objet :* Re: HTTPS 2.0 without TLS extension?****
>>
>> ** **
>>
>> ... and don't forgot some of the more obscure usage of HTTP, such as HTTP
>> over USB in the USB-IF's IPP USB Specification:****
>>
>> ** **
>>
>>     http://www.usb.org/developers/devclass_docs****
>>
>>
>>
>> ****
>>
>> There isn't much point in using TLS over USB (and a lot of cost issues
>> for that class of printer against it), and we need to continue to use the
>> same USB end points/interfaces, so upgrade remains an important feature of
>> HTTP/2.0 for me/Apple...****
>>
>>
>>
>> ****
>>
>>
>> Sent from my iPad****
>>
>>
>> On 2013-07-28, at 12:46 AM, Eliot Lear <[e-mail]> wrote:****
>>
>>  ** **
>>
>> On 7/23/13 7:34 PM, William Chan (陈智昌) wrote:****
>>
>>  FWIW, it seems reasonable to me to have the spec allow HTTPS 2.0
>> without TLS extension. If you want to Upgrade, be my guest. I have no plans
>> for my browser to support that, and I don't think Google servers will
>> support it either, because we care strongly about the advantages of
>> TLS-ALPN vs Upgrade.****
>>
>>
>> Not only that, I don't think we can reasonably call this HTTP 2.0 if we
>> have no path to do it in the clear.****
>>
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>