- From: Futomi Hatano <futomi.hatano@newphoria.co.jp>
- Date: Wed, 24 Oct 2012 03:16:33 +0900
- To: Soobin Lee <soobinlee@itc.kaist.ac.kr>
- Cc: public-websignage@w3.org
Hi Soobin, Thank you so match for your suggestion. I'm very happy to fill the gap analysis of R9. I added Soobin's suggestion to the document. http://www.w3.org/community/websignage/wiki/Web-based_Signage_Use_cases_and_Requirements#R9._Synchronizing_contents Thank you again, Soobin. Best regards, Futomi On Mon, 22 Oct 2012 10:10:54 +0900 Soobin Lee <soobinlee@itc.kaist.ac.kr> wrote: > Dear all, > > I'm Soobin Lee of KAIST in Korea. > > Thanks to Futomi's great exertions, I think that our BG document have > been well-organized. > > In addition, I'm suggesting the gap analysis part of 'R9. > Synchronizing contents', which is omitted in the current version, as > follows. > > ------------------- > To synchronize contents on the signage and other devices such as > users' smartphones and tablets, there are two ways available. One way > is to employ a server between the signage and the devices. Using the > WebSocket API and web server program implemented by an appropriate > framework such as node.js, events or contents on the signage can be > delivered to the others through the server. > Another way is based on the direct communication among web browsers, > browsers of a signage and a user's device in this case, which has > several advantages in public space. It can facilitate instant and > temporal exchanges of dynamic events or contents for users near the > signage. The current state-of-art, however, do not support > communication between browsers. Though IETF Rtcweb workgroup > (http://tools.ietf.org/wg/rtcweb/charters) and W3C WebRTC workgroup > (http://www.w3.org/2011/04/webrtc-charter.html) are covering this > issue, it is in the experimental stage. Recently, google chromium > project has proposed an extension API set to enable the browser's tap > contents to be captured and transmitted using > WebRTC("chrome.experimental.capture.getTabMedia", > "chrome.experimental.capture.onTabCaptured", and > "chrome.experimental.capture.getCapturedTabs"). > > The WebSocket API (http://www.w3.org/TR/websockets/) > WebRTC (http://www.w3.org/TR/webrtc/) > WebRTC Tab Content Capture API > (http://www.chromium.org/developers/design-documents/extensions/proposed-changes/apis-under-development/webrtc-tab-content-capture) > ------------------- > > I think my suggestion can also be included in R16(capturing a screen > shot) partially. > > Any suggestions or comments are welcome. > > Thanks. > > Best regards, > > Soobin Lee, Team Leader / Research Professor / Ph.D. > Knowledge Convergence Team > KAIST Institute for Information Technology Convergence > 335 Gwahangno, Yuseong-gu, Daejeon, 305-701, Republic of Korea > Tel: +82-42-350-7110 > E-mail: soobinlee@itc.kaist.ac.kr, caes81@gmail.com > > > > ---------- Forwarded message ---------- > From: Futomi Hatano <futomi.hatano@newphoria.co.jp> > Date: 2012/10/21 > Subject: Re: Suggestion for the gap analysis of R9 > To: Soobin Lee <soobinlee@itc.kaist.ac.kr> > 殌O: internal-websignage@w3.org > > > Dear Soobin, > > Thank you so match for your suggestion. > I'm very happy to fill the gap analysis of R9. > Your suggestion is very important, I think your effort should be open > to the public. > (This mailing list archive is available to only the BG members.) > If you don't mind, could you send your suggestion to the public > mailing list (public-websignage@w3.org) again? > > Best regards, > Futomi > > On Sun, 21 Oct 2012 10:31:38 +0900 > Soobin Lee <soobinlee@itc.kaist.ac.kr> wrote: > > > Dear all, > > > > I'm Soobin Lee of KAIST in Korea. > > > > Thanks to Futomi's great exertions, I think that our BG document have > > been well-organized. > > > > In addition, I'm suggesting the gap analysis part of 'R9. > > Synchronizing contents', which is omitted in the current version, as > > follows. > > > > ------------------- > > To synchronize contents on the signage and other devices such as > > users' smartphones and tablets, there are two ways available. One way > > is to employ a server between the signage and the devices. Using the > > WebSocket API and web server program implemented by an appropriate > > framework such as node.js, events or contents on the signage can be > > delivered to the others through the server. > > Another way is based on the direct communication among web browsers, > > browsers of a signage and a user's device in this case, which has > > several advantages in public space. It can facilitate instant and > > temporal exchanges of dynamic events or contents for users near the > > signage. The current state-of-art, however, do not support > > communication between browsers. Though IETF Rtcweb workgroup > > (http://tools.ietf.org/wg/rtcweb/charters) and W3C WebRTC workgroup > > (http://www.w3.org/2011/04/webrtc-charter.html) are covering this > > issue, it is in the experimental stage. Recently, google chromium > > project has proposed an extension API set to enable the browser's tap > > contents to be captured and transmitted using > > WebRTC("chrome.experimental.capture.getTabMedia", > > "chrome.experimental.capture.onTabCaptured", and > > "chrome.experimental.capture.getCapturedTabs"). > > > > The WebSocket API (http://www.w3.org/TR/websockets/) > > WebRTC (http://www.w3.org/TR/webrtc/) > > WebRTC Tab Content Capture API > > (http://www.chromium.org/developers/design-documents/extensions/proposed-changes/apis-under-development/webrtc-tab-content-capture) > > ------------------- > > > > I think my suggestion can also be included in R16(capturing a screen > > shot) partially. > > > > Any suggestions or comments are welcome. > > > > Thanks. > > > > Best regards, > > > > Soobin Lee, Team Leader / Research Professor / Ph.D. > > Knowledge Convergence Team > > KAIST Institute for Information Technology Convergence > > 335 Gwahangno, Yuseong-gu, Daejeon, 305-701, Republic of Korea > > Tel: +82-42-350-7110 > > E-mail: soobinlee@itc.kaist.ac.kr, caes81@gmail.com > > -- > Newphoria Corporation > Chief Technology Officer > Futomi Hatano > -- > futomi.hatano@newphoria.co.jp > http://www.newphoria.co.jp/ > -- 株式会社ニューフォリア 取締役 最高技術責任者 羽田野 太巳 (はたの ふとみ) futomi.hatano@newphoria.co.jp http://www.newphoria.co.jp/
Received on Tuesday, 23 October 2012 18:16:48 UTC