IPSJ SIG Technical Report Vol.2015-GN-93 No.29 Vol.2015-CDS-12 No.29 Vol.2015-DCC-9 No /1/27 1,a) 1 1 LAN IP 1), 2), 3), 4), 5) [

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1 1,a) 1 1 LAN IP 1), 2), 3), 4), 5) [14] [14] 1 NTT Shibaura, Minato-ku, Tokyo , Japan a) t.nakakura@ntt.com Web P2P(Peer to Peer) P2P [19] 1

2 World Wide Web Consortium( W3C) Internet Engineering Task Force ( IETF) Web PC LAN 2. [1][6] [5] [3][17][12] [16] LAN [20] LAN 00000JAPAN SSID LAN LAN [13] SNS [18] [14] P2P

3 Web LAN 1 LAN LAN LAN IP IP 1 #1, #2, #3 1 #1 LAN LAN #1 The Internet <=6./ 2456./ :./ <=6.> +,-./ ; 78-9:.;!" IP# <=6.;??@ +,-.; 0123??@ 2456.A??@ #2 LAN #3 IP [15] PC 3.1 LAN 3

4 SSDP[11] SSDP SEARCH SSDP SSDP SSDP Web SSDP Web SSDP SSDP WebSocket[8] WebSocket JavaScript SSDP Web WebSocket SSDP SSDP SSDP WebSocket WebSocket SSDP SSDP :;<=> HI JKL M"N D/EFG &'()*+,- D/EFG ReTUB+Q/P fghi/p4jk UUUUUU:;[\] OP0. B+Q/P VV_`lmB/C R^TVV_` UUUU:;< UUUUab cd SSDP SSDP LAN SSDP WebSocket Web Web SSDP SSDP local administrative scope local administrative scope LAN SSDP local administrative scope LAN LAN VPN VPN WebRTC[7] P2P WebRTC DataChannel WebRTC W3C Web P2P 29 Google Chrome 24 Firefox Windows/Mac/Linux/Android P2P JavaScript WebRTC Web SSDP A SSDP B WebRTC SSDP SSDP Discovery 4

5 B B SSDP Discovery SSDP B B A A SSDP SSDP SSDP 3 SSDP A A B SSDP QRSTLAN UV#1 SSDP CD@%A SSDP! Discovery "#$%&' ()*+,-. >?@%AB +,->?@ ABC!"#( DE4F"G 78094:; (HI &"'A ()* &"'B ()*!"#56!"#56 5MNB OPIAJ- +, "/."/ 78094:; :;<= 78094:; :;<= QRSTLAN UV#2 3 /01234! : ;<=>? SSDP Discovery "#$%&' FGH IAJ-KL >?@%AE WebRTC SSDP W3C P2P WebRTC WebRTC P2P 4 A B WebRTC Web Web WebRTC WebRTC P2P P2P WebRTC Web WebRTC WebRTC 4 JKJAB( LM NOP O"Q(5R6 WebRTC P2P Web Web WebRTC LAN WebRTC Web LAN ( 6) LAN Web Web Web LAN #1 #1 LAN LAN IP IP IP IP LAN 5

6 ./ :;<=> &'()*+,- B/C 5 OPQR OPQR O^QR HI JKLM"N D/EFG WebRTC WebRTC WebRTC ID LAN LAN LAN LAN W3C WebSocket WebSocket LAN Web WebSocket WebSocket ( 6)./0 OP QRST"U &'()*+, :;<=>?@AB/C D E?@AFGHI@JB/C VWX V`X K/LMN VWX V`X K/LMN VWXY?@AFGHI@JZ[\/]4^_ V`XY?@AFGHI@J:;aB/C34bc WebSocket 1 Web LAN LAN Web Web WebSocket #1 #1 LAN WebSocket LAN IP IP IP WebSocket WebSocket WebSocket 5. 6

7 JavaScript Network Service Discovery API[9]( NSD API ) NSD SSDP NSD API SSDP NSD API Web Web NSD API W3C TPAC NSD API Presentation API[10] Presentation API SSDP SSDP TPAC2014 [4] SSDP DLNA[2] SSDP DLNA LAN Digital Media Server DLNA SSDP SSDP WebSocket WebRTC WebRTC SSDP WebSocket A WebSocket A 7 SSDP A, B, C /public A /usera /public A, B /usera C /usera ij\]^_` klmn]o 1234 _ 1234 r \]^_` abc4d3ef gfhkl ;;AB CDEF2!"#!"p#!8p# gfhkl 1234 q!"#+,-./ !8#$9:(;<+=:>?@0;;abcdef25%&'()*+g5hi!j#$klmn5opqrs?tuv%&'()*+wkl5xyz[/!"p#$%'s:t_,-./ !8p#$9:(;<+=:>?@0;;abcdef25%'s:t_g5hi!jp#$klmn5opqrs?tuv%'s:t_wkl5xyz[/ 7!8#!J#!Jp# SSDP 7

8 WebRTC ISP ,,. 26 ACCESS [1] Bostian, C. W. and Midkiff, S. F. and Kurgan, W. M. and Carstensen, L. W. and Sweeney, D. G. and Gallagher, T.: Broadband Communications for Disaster Response, Space Comms., Vol. 18, No. 3,4, pp (online), available from citation.cfm?id= (2002). [2] Digital Living Network Alliance: DLNA Networked Device Interoperability Guidelines Expanded (2006). [3] Fouda, M. M., Nishiyama, H., Miura, R. and Kato, N.: On Efficient Traffic Distribution for Disaster Area Communication Using Wireless Mesh Networks, Wirel. Pers. Commun., Vol. 74, No. 4, pp (online), DOI: /s (2014). [4] Homma, S.: Presentation API for non-screen Devices (2014). [5] Kitaguchi, T. and Hamada, H.: Telecommunications Service Continuity and Disaster Recovery. [6] Nishimura, T. and Ogawa, H.: Integrated Wireless Authentication System: Sharing Satellite Communication Among Multiple Organizations After Natural Disasters, Proceedings of International Conference on Advances in Mobile Computing & Multimedia, MoMM 13, New York, NY, USA, ACM, pp. 270: :277 (online), DOI: / (2013). [7] W3C: WebRTC 1.0: Real-time Communication Between Browsers. [8] W3C: The WebSocket Protocol (2011). [9] W3C: Network Service Discovery (2014). [10] W3C: Presentation API (2014). [11] Yaron Y. Goland and Ting Cai and Paul Leach and Ye Gu and Microsoft Corporation and Shivaun Albright and Hewlett-Packard Company: Simple Service Discovery Protocol/1.0 Operating without an Arbiter (1999). [12] B Vol. J94-B, No. 7, pp (2011). [13] SNS D Vol. J97-D, No. 12, pp (2014). [14] 23 (2011). [15] 26 (2014). [16] B Vol. J97-B, No. 6, pp (2014). [17] B Vol. J86-B, No. 11, pp (2003). [18] MoNA pp (2013). [19] (1998). [20] LAN LAN (2014). 8

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