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[whatwg] [Fwd: [hybi] Proposed charter for HyBi BoF in Hiroshima]

From: Salvatore Loreto <salvatore.loreto@ericsson.com>
Date: Wed, 23 Sep 2009 00:29:30 +0300
Message-ID: <4AB941BA.4040904@ericsson.com>
please provide comments on the HyBi mailing list ( 
https://www.ietf.org/mailman/listinfo/hybi ).

cheers
Salvatore Loreto
www.sloreto.com

-------- Original Message --------
Subject: 	[hybi] Proposed charter for HyBi BoF in Hiroshima
Date: 	Tue, 22 Sep 2009 00:15:46 -0600
From: 	Joe Hildebrand <joe.hildebrand@webex.com>
To: 	<hybi at ietf.org>



Please suggest changes, this is just a first draft that tries to capture
several conversations that we've had, including the bar BoF in Stockholm.

-- 
Joe Hildebrand


Chairs:
* TBD
* TBD

Applications Area Director(s):
* Lisa Dusseault <lisa.dusseault at gmail.com>
* Alexey Melnikov <alexey.melnikov at isode.com>
 
Applications Area Advisor:
* Lisa Dusseault <lisa.dusseault at gmail.com>

Mailing Lists:
General Discussion: hybi at ietf.org
To Subscribe: https://www.ietf.org/mailman/listinfo/hybi
Archive: http://www.ietf.org/mail-archive/web/hybi/current/maillist.html

Description of Working Group:
HTTP has in the past been used as a request/response protocol most often,
leading to clients polling for new data or users hitting the refresh button
in their browsers.  Newer web applications are finding ways to push data
from the server to the client as soon as it is available, through a variety
of mechanisms.  The Hypertext-Bidirectional (HyBi) working group will seek
standardization of approaches that HTTP clients, servers, and intermediate
boxes can use to communicate with one another in both directions.

Since any modification of the web infrastructure may take a good amount of
time to be deployed, outputs of the working group will include both short
and long term solutions.  The existing web being much more complicated than
it seems, the working group will prioritize the characterization of the
design space, including the web clients, intermediaries, firewalls, NATs,
web servers, etc. into which both solutions will need to be deployed.

For both short and long term, the amount of semantic encoded at the HyBi
layer will be minimized, allowing multiple higher-level protocols to take
advantage of the basic eventing mechanism.  These higher-level protocols are
out of scope for the working group, although liaison with other working
groups will be encouraged.

The short term approach will be deployable on today's Internet, across
whichever current or historical web browsers the working group decides upon.
Although wide browser support is a goal, lack of support on any single
browser version will not be a sufficient cause to block consensus.  The
short term approach may also define hints to allow newer intermediaries to
optimize traffic.

In the long term, new features will be required of clients, servers, or
intermediaries allowing a more scalable and robust end-to-end experience.

Although multiple protocols exist as starting points for both the short and
long term, backward compatibility with these protocols is not a requirement.
In particular, the working group will liaison with the HTML5 working group
of the W3C around the websockets protocol; if agreed by both parties, the
HyBi working group may take over the development of the websockets protocol.

The Working Group should consider:
* Implementer experience
* Impact on existing implementations and deployments
* Ability to achieve broad implementation
* Ability to address broader use cases than may be contemplated by the
original authors

The Working Group will produce one or more documents suitable for
consideration as Proposed Standard that will:
* Define requirements for short- and long-term solutions, including
characterization of the design space
* Define a short-term solution for the bi-directional web, deployable on
today's Internet
* Define a long-term solution for the bi-directional web, which will likely
require modifications to the web infrastructure

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Received on Tuesday, 22 September 2009 14:29:30 UTC

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