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Re: [WoT IG] F2F Agenda

From: Dave Raggett <dsr@w3.org>
Date: Fri, 17 Apr 2015 10:31:49 +0100
Cc: "Nilsson, Claes1" <Claes1.Nilsson@sonymobile.com>, "Heuer, Joerg" <Joerg.Heuer@siemens.com>, Public Web of Things IG <public-wot-ig@w3.org>
Message-Id: <135EC63E-C678-4EFF-A5DB-184D33A08624@w3.org>
To: KOMATSU Kensaku <kensaku.komatsu@gmail.com>

> On 17 Apr 2015, at 05:29, KOMATSU Kensaku <kensaku.komatsu@gmail.com> wrote:
> As you know that for several years, there were lots of discussion about device discovery issues such as SSDP, mDNS. But using those existing protocols within web architecture seems difficult
> for several reasons (mostly, privacy issues).
> More over, current network devices such as DLNA are based on local web server model, but
> currently webappsec wg is now having a discussion to prohibit accessing such a local web server
> from browser. It means, it becomes hard to orchestrate existing network devices from browser.
> So, I think for moving forward to Web of Things movement and realize innovative device orchestration services within web architecture, adequate framework discussion for discovering and controlling devices will be required. ( I guess WebRTC has a potential to address above issues )

Hi Kensaku,

Discovery is one of the topics for the proposed web of things framework task force.  We would need to survey use cases, existing approaches, the problems that have been identified, and potential new approaches.

My understanding is that privacy issues can be mitigated through having the browser as a trusted agent. This approach is being used for the second screen presentation API, and I believe for the bluetooth API.

Another approach avoids the need for  the browser to invoke local discovery protocols directly.  Instead a server on the phone or on a home hub registers the devices with a service that users access from their browser. This service could be hosted in the home or in the cloud.

Best regards,
   Dave Raggett <dsr@w3.org <mailto:dsr@w3.org>>

Received on Friday, 17 April 2015 09:31:56 UTC

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