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2 2011 3 11 TAINS (UPS) TAINS 3 12 3 13 TAINS TOPIC SINET 3 14 TAINS TAINS tains AT tains.tohoku.ac.jp TAINS 39 22 TAINS 39 tainsnews06 AT tains.tohoku.ac.jp TAINS
TAINS No.39 2011 23 5 31 3 SINET4 TAINS TOPIC SINET (NII) 2011 4 SINET4 2011 2 19 TOPIC SINET3 SINET4 SINET4 SINET http://www.sinet.ad.jp/ tains AT tains.tohoku.ac.jp NTP (ntp2.tohoku.ac.jp) IP NTP (ntp2.tohoku.ac.jp) IP 130.34.48.32 TAINS TAINS ntp2.tohoku.ac.jp NTP IP 130.34.48.32 NTP 130.34.48.32 TAINS NTP ntp1.tohoku.ac.jp ntp.tohoku.ac.jp ntp2.tohoku.ac.jp 2 NTP tains AT tains.tohoku.ac.jp m.tains mail.tains mail.tains.tohoku.ac.jp m.tains.tohoku.ac.jp 2011 2 2011 tains AT tains.tohoku.ac.jp
4 (http://www.bureau.tohoku.ac.jp/i-synergy/) PDF jho AT bureau.tohoku.ac.jp syomu AT isc.tohoku.ac.jp P2P 23 4 P2P P2P P2P IP P2P http://www.bureau.tohoku.ac.jp/i-synergy/campus/kitei.html i-security AT bureau.tohoku.ac.jp
TAINS No.39 2011 23 5 31 5 1 23 3 11 14 46 TAINS TAINS 2 TAINS 3 13 TAINS TAINS (s.tohoku.ac.jp) (VPN) TAINS 1
6 1 21 StarTAINS 2008 2009 StarTAINS [1] StarTAINS StarTAINS TAINS LAN 2 TAINS LAN TAINS LAN eduroam 2.1 TAINS eduroam 30 TAINS [2] VPN TAINS TAINS LAN eduroam LAN eduroam TAINS LAN
TAINS No.39 2011 23 5 31 7 2.2 eduroam eduroam [3] ID ID eduroam TAINS eduroam LAN 3 Yahoo! Academic Edition Google Apps Education Edition ID [4] 4 StarTAINS StarTAINS ER ER KR 1: ER KR 1 1 Gbps 1 ER 2 KR 2 1 Gbps 1 ER KR 2
8 2: StarTAINS
TAINS No.39 2011 23 5 31 9 5 LAN StarTAINS [1], TAINS, TAINS, No.37, pp.3 5, 2009. (http://www.tains.tohoku.ac.jp/news/news-37/0305.html) [2],,,,,,, LAN, TAINS, No.39, pp.10 14, 2011. (http://www.tains.tohoku.ac.jp/news/news-39/1014.html) [3],,, eduroam, TAINS, No.39, pp.15 21, 2011. (http://www.tains.tohoku.ac.jp/news/news-39/1521.html) [4],,,, TAINS, No.39, pp.22 27, 2011. (http://www.tains.tohoku.ac.jp/news/news-39/2227.html)
10 LAN LAN 1 (TAINS) LAN LAN [1, 2] TAINS eduroam LAN [3] LAN 21 TAINS LAN 22 12 TAINS LAN LAN LAN 2 3 2 TAINS LAN 2.1 TAINS LAN 100 Wi-Fi LAN LAN 3 LAN 23 1
TAINS No.39 2011 23 5 31 11 1 TAINS LAN TAINS [4] 1: 2 1 4 1 1 2 4 1 1 2 2 1 2 2 3 4 6 1 2 2 3 1 1 5 TAINS LAN TAINS eduroam TAINS VPN LAN
12 LAN [2] LAN eduroam IEEE802.1X LAN [1] eduroam 23 1 LAN [3] 2.2 LAN LAN [ ] TAINS LAN LAN VPN VPN TAINS [5, 6] ID/ VPN TAINS VPN eduroam eduroam ID/ ID @eduroam.tohoku.ac.jp eduroam ID TAINS eduroam [ ] TAINS LAN LAN VPN LAN LAN VPN eduroam eduroam 4 CSI eduroam [7] eduroam [ ] eduroam eduroam TAINS LAN TAINS 3 LAN TAINS LAN TAINS
TAINS No.39 2011 23 5 31 13 TAINS eduroam LAN eduroam VPN [3] 1: TAINS LAN TAINS LAN VLAN 1 TAINS 130.34.0.0/16 192.168.0.0/16 VPN VPN TAINS LAN TAINS VLAN LAN 1
14 LAN LAN LAN 4 TAINS LAN LAN TAINS LAN LAN TAINS [1] TAINS eduroam [1],,, eduroam, TAINS, No.34, pp.5 8, 2007. (http://www.tains.tohoku.ac.jp/news/news-34/0508.html) [2],,, LAN TAINS 2, TAINS, No.35, pp.5 7, 2008. (http://www.tains.tohoku.ac.jp/news/news-35/0507.html) [3] eduroam JP, http://www.eduroam.jp/ [4] TAINS, http://www.tains.tohoku.ac.jp/ [5],,,,, TAINS, No.38, pp.3 4, 2010. (http://www.tains.tohoku.ac.jp/news/news-38/0304.html) [6], http://www.bureau.tohoku.ac.jp/auth/index.html [7] eduroam, http://www.rd.isc.tohoku.ac.jp/csi/eduroam-trial/
TAINS No.39 2011 23 5 31 15 eduroam 1 TAINS LAN [1] [2] LAN eduroam [3, 4] eduroam eduroam 2 eduroam ID ID eduroam ID ID ID 1 TAINS LAN eduroam eduroam LAN 3 eduroam 1. ID 2 2. ID ID 4 ID ID ID ID 1 2
16 eduroam ID 3 1 1 ID ID ID ID ID ID ID ID eduroam 1 1: ID / ID 5 ID ID eduroam eduroam ID ID@eduroam.tohoku.ac.jp ID ID @eduroam.tohoku.ac.jp (Realm) eduroam eduroam ID 3
TAINS No.39 2011 23 5 31 17 6 eduroam eduroam eduroam SSID LAN PC eduroam SSID ID@eduroam.tohoku.ac.jp ID LAN eduroam eduroam TAINS [5] eduroam PC 6.1 1 ID ID@eduroam.tohoku.ac.jp ID PEAP/MSCHAPv2 Security Communication RootCA1 1: ID eduroam eduroam @eduroam.tohoku.ac.jp RADIUS PEAP/MSCHAPv2 4 eduroam.tohoku.ac.jp 5 PEAP TLS (Transport Layer Security) 2 2 A eduroam (AP) PC eduroam LAN PC A 1 ID PEAP/MSCHAPv2 6.2 2 4 EAP-TTLS EAP-TLS EAP-FAST OS PEAP/MSCHAPv2 5 CN (CommonName) radius1.tains.tohoku.ac.jp
18 eduroam 2: SSID eduroam eduroam-livedoor WPA2 WPA AES TKIP 2: SSID LAN eduroam eduroam eduroam- WPA WPA2 WPA WPA2 eduroam WPA2 WPA eduroam AES 6 TKIP eduroam WPA2 or WPA AES or TKIP eduroam WPA2-AES WPA-TKIP 7 PC TAINS LAN WPA2-AES 3 TAINS LAN SSID eduroam WPA2-AES A SSID eduroam-univa WPA-TKIP 2 6 TKIP (Temporal Key Integrity Protocol) CCMP (Counter-Mode/CBC-MAC Protocol) LAN TKIP RC4 CCMP AES AES TKIP 7 WPA2-AES WPA-TKIP
TAINS No.39 2011 23 5 31 19 3: 7 eduroam eduroam eduroam AP eduroam IEEE802.1X RADIUS IEEE802.1X LAN AP PC 8 (AP) RADIUS 3 4 RADIUS 4: IEEE802.1X eduroam IEEE802.1X RADIUS 5 eduroam.tohoku.ac.jp tohoku.ac.jp jp RADIUS LAN eduroam eduroam PC eduroam VPN @eduroam.tohoku.ac.jp 8 OS
20 eduroam 5: eduroam RADIUS RADIUS 8 eduroam eduroam eduroam (NII) livedoor Wireless eduroam eduroam TAINS [5] [1],,,,,,, LAN, TAINS, No.39, pp.10 14, 2011. (http://www.tains.tohoku.ac.jp/news/news-39/1014.html) [2],,,,, TAINS, No.38, pp.3 4, 2010. (http://www.tains.tohoku.ac.jp/news/news-38/0304.html) [3] eduroam, http://www.eduroam.org/ [4] eduroam JP, http://www.eduroam.jp/
TAINS No.39 2011 23 5 31 21 [5] TAINS, http://www.tains.tohoku.ac.jp/
22 1 2010 12 Yahoo! Academic Edition Yahoo! Google Apps Education Edition Gmail xxx AT y-mail.tohoku-university.jp xxx AT g-mail.tohoku-university.jp xxx 2 3 4 5 6 2 [1] 21 Yahoo! Gmail Yahoo! Gmail 1 m.tohoku.ac.jp TAINS TAINS [2] (bureau.tohoku.ac.jp) (s.tohoku.ac.jp) 1 DNS
TAINS No.39 2011 23 5 31 23 3 1 xxx AT y-mail.tohoku-university.jp xxx AT g-mail.tohoku-university.jp 1: 3.1 ID POP 1 2
24 ID TAINS 1 5 / TAINS [3] 3.2 TAINS 4 3.3 11 TAINS [3] 1 3 4 1. 1 1 Yahoo! 2 2. URL 1 6 3. URL 1 7 2 TAINS [3]
TAINS No.39 2011 23 5 31 25 4. 3 1 7, 8 4 5. 1 8 5 Yahoo! Gmail 5.1 Yahoo! xxx AT y-mail.tohoku-university.jp Gmail xxx AT g-mail.tohoku-university.jpxxx Yahoo! Gmail @ 5.2 1 Yahoo! Gmail ID Yahoo! Japan ID ID @ Yahoo! Japan ID Yahoo! Gmail 1: 5.3 2 2011 4 5.4 URL HTTPS (SSL) 3 TAINS [3] 4 Yahoo! Yahoo! JAPAN ID Yahoo! JAPAN ID ID
26 Yahoo! Gmail ptnsmtp.mail.yahoo.co.jp smtp.gmail.com (SMTP) 465/tcp 465/tcp 587/tcp SMTP over SSL SMTP over SSL STARTTLS (SMTP-AUTH) POP ptnpop.mail.yahoo.co.jp pop.gmail.com 995/tcp POP over SSL IMAP imap.gmail.com 993/tcp IMAP over SSL 2: Yahoo!https://login.yahoo.co.jp/config/login?.src=ymac Gmail https://mail.google.com/a/g-mail.tohoku-university.jp/ 5.5 Yahoo! Gmail 6
TAINS No.39 2011 23 5 31 27 6.1 ID TAINS ID 6.2 5 TAINS TAINS [3] Yahoo! 7 TAINS [3] [1],,, TAINS, No.39, pp.6 9, 2011. (http://www.tains.tohoku.ac.jp/news/news-39/0609.html) [2],,, TAINS, TAINS, No.38, pp.5 10, 2010. (http://www.tains.tohoku.ac.jp/news/news-38/0510.html) 5
28 [3] TAINS, https://www2.tains.tohoku.ac.jp/
TAINS No.39 2011 23 5 31 29 1 1 22 10 23 24 https://www.srp.tohoku.ac.jp/index.html 1
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TAINS No.39 2011 23 5 31 31 3 3.1 3.2
32 2 FAX 2 2011 5
TAINS No.39 2011 23 5 31 33 3.3 3.4
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TAINS No.39 2011 23 5 31 35 2 WG 3
36 TAINS B 2011 3 11 14 46 9.0 16 (770)
TAINS No.39 2011 23 5 31 37 TAINS TAINS tainsnews06 AT tains.tohoku.ac.jp L A TEX2ε http://www.tains.tohoku.ac.jp/news/tainsnews.cls http://www.tains.tohoku.ac.jp/news/template.tex Web PostScript TIFF 980-8578 6 3 email: tains AT tains.tohoku.ac.jp TEL: 6253 / 022-795-6253 FAX: 6098 / 022-795-6098 TAINS TAINS WWW TAINS 39 2011 23 5 31 TAINS 980-8578 6 3