IETF76 (version 1.1) 2010 1 28 1 1.1 IETF IETF Internet Engineering Task Force Internet Society IETF 120 Working Group Area Area Director IETF Working Group Working Group Internet Draft 1986 1 21 IETF 1992 7 21 Amsterdam 2000 3 47 Adelaide 2002 7 54 2004 3 59 Seoul 76 7 5 1.2 2007 2009 7 IETF IAD IETF Administrative Director IETF 1
2009 7 Stockholm 2009 11 7 IETF letter IOAC Chair 2008 1 IETF AMS IETF NOC Volunteer IAOC Dublin 72 IETF WIDE Project IETF MoU 1.3 IETF IETF 1990 WiFi LAN 802.11b PCMCIA deposit IETF 2002 7 54 802.11b AP WiFi laptop LAN laptop iphone WiFi PDA LAN 800 802.11a LAN AP 100Mbps IETF VeriLAN Portland, OR VeriLAN 2
VeriLAN IETF IETF Rich Application TCP NAT TCP 72 Dublin Technical Plenary NTT Communications IETF NAT IETF NAT VOD IETF 2 IETF76 1. 2. IPv6 dual stack 3. IETF DHCP IETF DHCP IPv6 IETF IETF web IPv6 IETF IPv6 3 SIer 3
UTP IETF 2.1 IETF NTT IETF 100Mbps 100Mbps Audio Cast IETF IETF 1000Mbps 1500byte MTU 1500byte IP IETF IETF NAT IPv6 NTT 100Mbps IETF NTT 1 2009 NGN Business Ethernet Wide BEW ANA Crowne Plaza Hotel ANA Gigabit Ethernet Dual Access JGN2+ SINET3 NSPIXP-3 JPNAP/Osaka Gigabit Ethernet IETF 100Mbps 4
Oriental A Mitsui Garden A Sun Route ANA Crowne Plaza Meeting Rooms Guest Rooms Rihga Royal A A C A Granvia 1Gbps A 100Mbps NTT West Business Ether Wide 1Gbps 1Gbps 100Mbps JGN2+ 1Gbps A Osaka NSPIXP-3 NTT-C JPNAP/Osaka KDDI IIJ SINET APAN 1: 2.2 IETF ANA Crowne Plaza Cat5e UTP RJ45 UTP IETF L2 RJ45 UTP IETF IETF VLAN IETF MDF Alaxala Networks AX-7700R Cisco Systems ASR-1002 VLAN VRRP L2 single point of failure ANA IETF Alaxala Networks AX3640S L3 ANA OSPF IETF L3 SINET3 APAN-JP BGP ANA ANA SINET3 JGN2+ APAN-JP SINET3 JGN2+ L3 metric 5
default ANA IETF IPv4 ISC DHCP 500 DHCP /22 ANA primary 5 DHCP 8 backup DHCP 3 8 NAT UTP NAT UTP AX3604S IETF VLAN 802.1Q DHCP DHCPv6 replay agenet L3 DHCP VLAN 2.3 LAN IETF LAN IETF76 LAN Cisco Systems LAN AP Cisco AP (Autonomous mode) AP AP WLC LAN AP Cisco Light weight IETF IETF LAN 1000 2009 2009 10 ADASS2009 Astronomical Data Analysis Software and Systems IETF Volunteer IETF IPv6 RA IPv6 IPv4 6
IPv6 IPv4 IETF Volunteer Contingency Plan 3.2 1 3F Orchid Plenary East/Center/West 300 IETF 60 AP 6 AP IETF default SSID ietf 2.4GHz 5GHz wep SSID 5GHz SSID ietf-a 802.11x SSID IETF76 WPA2/PSK SSID IPv6 SSID v6only 1: AP 1F 3 Cafe 3F 18 Orchid West/Center/East 6 3F 10 Acasia West/East 3 Cattleya West/East 2 3F 4 Foyer 3 Sakura 1 4F 5 Matsu, Katsura, Kaede, Foyer, Clover 1 4F 4 Take, Ume 1, Camellia 2 7F 2 Sirius, Orion 1 22F 3 Castleview East/West, 1 2.4 IETF nagios (http://www.nagios.org/) pingman 7
cacti SNMP (http://www.cacti.net/) weathermap (http://www.network-weathermap.com/) nfsen sflow/netflow (http://nfsen.sourceforge.net/) munin (http://munin.projects.linpro.no/) syslog-ng syslog (http://www.balabit. com/network-security/syslog-ng/) rancid (http://www.shrubbery.net/rancid/) RA-shibaitaroka IPv6 RA RA WCS Cisco Systems LAN nagios pingman nagios ping telnet pingman ping nagios Networld Interop Tokyo IETF76 cacti weathermap cacti SNMP Web weathermap cacti nfsen sflow/netflow Cisco NetFlow Alaxala sflow/netflow IETF76 cacti weathermap nfsen IPv4 IPv 6 8
sflow munin CPU DHCP DHCP IPv4 syslog-ng syslog RDBMS MySQL IETF76 NOC Web RDBMS mail 15 1 DB CPU 15 NOC rancid RA-shibaitaroka IETF76 NOC IPv6 RA router lifetime = 0 RA PC RA Perl WCS IPv6 RA PC MAC 2.5 Audio Cast IETF Univ. of Colorado Evi Nemeth Mbone Mbone Audio Cast Audio 9
IETF IETF $3000 PC IETF $3000 PC Laptop PC φ3.5 laptop Audio Cast laptop LAN UTP Audio Cast California IETF Cisco WebEx UTP WebEx 3 3.1 IETF ANA 10 14 16 10
Cat3560E-48PDE Cat3560E-24PDS Cat3560E-48PDS Cat3560E-24PDS Cat3750G-24TSS Cat3750E-48PDE Cat3560E-48PDE Cat3560E-24PDS Cat3560E-48PDS Cat3560G-24PSE Cat3750E-48PDE Cat3750G-24TS1 Cat3560E-48TDS Cat3750E-48PDS The 76th IETF Hiroshima sakura-ap Sakura AX2430S-24T 6-10,12-16,24, 32,40,48,56,112 catw-ap-1 catw-ap-2 acaw-ap-1 acaw-ap-2 acaw-ap-3 Cattleya-w Acacia-w 6-10,12-16,24,32,40,48,56,112 cate-ap-1 Cattleya-e 6-10,12-16,24, cate-ap-2 32,40,48,56,112 6-10,12-16,24,32,40,48,56,112 sirius-ap orion-ap ANA Crowne Plaza Rooms AS17674 320,321 320,321 orcw-ap-1 orcw-ap-2 orcw-ap-3 orcw-ap-4 orcw-ap-5 orcw-ap-6 orce-ap-1 orce-ap-2 orce-ap-3 orce-ap-4 orce-ap-5 orce-ap-6 Orchid-w Orchid-e acae-ap-1 acae-ap-2 acae-ap-3 Acacia-e 6-10,12-16,24, 32,40,48,56,112 6-10,12-16,24,32,40,48,56,112 orcc-ap-1 orcc-ap-2 orcc-ap-3 Orchid-c orcc-ap-4 orcc-ap-5 6-10,12-16,24, orcc-ap-6 32,40,48,56,112 6-10,12-16,24,32,40,48,56,112 Foyer regist-ap AX2430S-24T 4F-2 3foyern-ap 3foyersw-ap 3foyerse-ap 6-10,12-16,24,32,40,48,56,112 6-10,12-16,24, 32,40,48,56,112 ana-rtr-1 AX7702R 6-10,12-16,24, 32,40,48,56,112 2,320,321,330,331 330,331 320,321 320,321 katsura-ap cam-ap-1 cam-ap-2 matsu-ap Katsura Camellia Matsu AX2430S-48T NOC-2 Cat3750G-48TS 4foyer-ap kaede-ap clo-ap take-ap Kaede 6-10,12-16,24, 32,40,48,56,112 Clover 6-10,12-16,24, 32,40,48,56,112 Take 6-10,12-16,24,32,40,48,56,112 6-10,12-16,24, 32,40,48,56,112 6-16,24,32,40, 48,56,112 6-10,12-16,24, 32,40,48,56,112 6-10,12-16,24,32,40,48,56,112 4F-1 AX2430S-48T 6-10,12-16,24, 32,40,48,56,112 B1F-3 AX2430S-24T 1lobby-ap-1 1lobby-ap-2 1cafe-ap 7,10,12-13,56,112 B1F-2 AX2430S-48T 6-10,12-16,24, 32,40,48,56,112 ana-rtr-2 ASR1002 AS17674 7 2,320,321,330,331 B1F-1 AX2430S-24T SunRoute AX3640S-24T 2,7,320, 321,330,331 2,7 2,7 Mitsui Garden AX3640S-24T 2,7 dojima-rtr 2,7 AX7808R AS17674 2,7 2,7 Oriental Granvia AX3640S-24T AX3640S-24T Rihga Royal AX6304S 133.93.[vlan-id].0/24 (/22 for v56, /21 for Rooms&Wireless) 2001:dfb:0:[vlan-id]::/64 Layer3 Device Layer2 Device NOC-1 noc-ap 22F AX2430S-24T 22rest-ap 22cve-ap 22cvw-ap SunRoute Rooms MitsuiGarden Rooms Oriental Rooms Granvia Rooms RihgaRoyal Rooms Edited by: tomine@wide.ad.jp Derived from: Detailed Design Rev 8 hasebe@wide.ad.jp, tkondo@hiroshima-u.ac.jp 10th NOV 2009 2: WIDE dual stack AS17674 IP 133.93.0.0/16 2001:dfb::/32 prefix BGP JGN2+ SuperCSI MAC VLAN AP firmware AP Power over Ethernet 11
OS Audio Cast PC PC 19 3.2 NOC EPS MDF MDF NOC 11/5 NOC IETF NAT IETF 11/6 ANA 11 11/7 11/8 ANA IETF 11/7 4F 7 12
9 NOC 3 4 9 3F welcome reception 22F 1F LAN AP 11/9 11/10 Audio Cast IETF Laptop UTP 3.3 e-bluesheet IETF RFID IETF Blue Sheet RFID tag scan Blue Sheet RFID IETF jabber IETF NOC RFID Tag Blue Sheet IETF IETF NOC IETF NOC PC ipod Touch RFID LAN IP 3.4 13
IETF IETF NOC AP NOC AP firmware firmware upload Ethernet AP AP IETF UTP NAT IETF ANA UTP FastEthernet 4 4.1 IETF76 IETF76 NSPIXP-3 JPNAP/Osaka 14
ISP peer ISP transit SINET JGN2+ APAN-JP IX peer IPv4 IPv6 dual stack NTT Business Ether Wide Business Ether Wide 3 Outbound outbound IETF76 Inbound 97.3Mbps 100Mbps SINET APAN-JP R&D 100Mbps 3: IPv6 IETF IPv4 IPv6 SNMP sflow IPv6 4 4 (11/10) IPv6 50Mbps NOC IPv6 8% Root DNS 1% IX 0.01% IETF76 133.93.0.0/16 2001:dfb::/32 Google AAAA IPv6 hack Windows Vista Mac OS/X Google 15
IPv6 IPv6 IPv6 4: IPv4 IPv6 5 DHCP NOC lease 6 30 1300 11/13 IETF 11/12 lease 2 11/13 15 5: DHCP 16
900 800 Associated Client Count Associated Client Count 700 600 500 400 300 200 100 0 11/8 0AM 11/8 12PM 11/8 0AM 11/9 12PM 11/9 0AM 11/10 12PM 11/10 0AM 11/11 12PM 11/11 0AM 11/12 12PM 11/12 0AM 11/13 12PM 6: 4.2 LAN IETF 6 7 5GHz 2.4GHz 11b(10) 11n(255) 11a(149) 11g(324) 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 7: 854 DHCP 895 0.75 2004 2 Seoul IETF59 0.42 / 5.5 LAN 1.7 LAN 5GHz 2007 8 SIGCOMM2007 2.4 GHz 5 GHz 2.7:1 0.83:1 5GHz 2.4 GHz 5 GHz 63% IEEE802.11n IEEE802.11n IETF LAN 5GHz 17
4.3 4.3.1 Duplex NTT Business Ether Wide ONU 100Mbps UTP link up 11/6 duplex mismatch full duplex MDI/MDI-X duplex mismatch 4.3.2 11/8 23:58 00:33 ANA log dump data 192.168.3.254 IPv4 224.0.0.1 224.0.0.3 IGMPv3 multicast CPU 00:31 multicast 4.3.3 RA IPv6 RA IPv6 RA 6to4 Laptop IETF 18
11/8 RA IETF54 2008 SIG- COMM2008 RA MAC IETF76 RA RA RA router lifetime 0 0 RA IETF76 MAC RA 14 4.3.4 192.168.3.254 DHCP offer IETF 133.93.x. y RFC1918 MAC DHCP Linksys LAN LAN IETF MAC IETF MAC 4.3.5 ACL IETF IETF76 ACL 2 11/8 IETF76 kerberos kerberos 88/tcp 88/udp 19
2: IETF ACL TCP 42, (88), 135, 137, 138, 139, 445, 1433, 1919, 4444 UDP (88), 135, 137, 139, 445, 1434 4.3.6 VPN 11/9 VPN gateway icmp VPN VPN FQDN DNS host GeoIP VPN 4.3.7 deauth flood 11/10 10:07 Orchid West AP LAN 2.4GHz deauth flood NOC virus 4.3.8 LAN LAN 2.4GHz UHF 800MHz 2.4GHz LAN 5GHz 5GHz LAN IETF 2.4GHz 5GHz 20
5 IETF76 5.1 IPv6 IETF IPv6 IPv6 VPN IPv6 LAN SSID v4only 35 5.2 NOC wiki wiki wiki wiki NOC 5.3 Help Desk IETF Help Desk VeriLAN IETF76 21
VeriLAN NOC IETF NOC Help Desk NOC 6 IETF76 IETF76 3 APAN-JP IETF76 NAT ANA Crowne Plaza 4 22
3: IETF76 Plutinum Gold Silver Bronze Other KDDI BB BBIX A 5 IETF76 IPv4 IPv6 VLAN 133.93.0.0/21 ACL 6 7 PE1950-A, PE2650-O, PE650-O PE1950-A FreeBSD R7.2 PE1950-B 8 IETF76 8, 9, 10, 11 23
4: NOC KDDI Elliott, Chris Objective 3 Jaeggli, Joel Check Point Software Technologies Jensen, Bill University of Wisconsin Martin, Jim The Deadelus Group 24
5: IPv4 IPv6 VLAN Router ID 133.93.0.0/24 2001:dfb::/64 - Backbone 133.93.2.0/24 2001:dfb:0:2::/64 2 JGN2Backup 133.93.3.0/24 2001:dfb:0:3::/64 320 NOC 133.93.6.0/24 2001:dfb:0:6::/64 6 133.93.7.0/24 2001:dfb:0:7::/64 7 133.93.8.0/24 2001:dfb:0:8::/64 8 133.93.9.0/24 2001:dfb:0:9::/64 9 AP 133.93.10.0/24 2001:dfb:0:10::/64 10 Peering 133.93.11.0/24 2001:dfb:0:11::/64 321 RFID#1 133.93.12.0/24 2001:dfb:0:12::/64 12 RFID#2 133.93.13.0/24 2001:dfb:0:13::/64 13 Host Office 133.93.14.0/24 2001:dfb:0:14::/64 14 AMS Office 133.93.15.0/24 2001:dfb:0:15::/64 15 11a/11bg 133.93.16.0/21 2001:dfb:0:16::/64 16 ietf 11a 133.93.24.0/21 2001:dfb:0:24::/64 24 ietf-a wpa 133.93.32.0/21 2001:dfb:0:32::/64 32 ietf.wpa 11a-wpa 133.93.40.0/21 2001:dfb:0:40::/64 40 ietf-a.wpa v6only N.A 2001:dfb:0:48::/64 48 ietf-v6only Terminal Room 133.93.56.0/22 2001:dfb:0:56::/64 56 ISCDemo 133.93.98.0/24 2001:dfb:1::/56 98 Icecast Server 133.93.99.0/24 2001:dfb:0:99::/64 99 Osaka Hotel-1 133.93.112.0/21 2001:dfb:0:112::/64 112 Hotel-2 133.93.128.0/22 2001:dfb:0:128::/64 128 Hotel-3 133.93.144.0/22 2001:dfb:0:144::/64 144 Hotel-4 133.93.160.0/22 2001:dfb:0:160::/64 160 Hotel-5 133.93.176.0/22 2001:dfb:0:176::/64 176 Hotel-6 133.93.192.0/19 2001:dfb:0:[401--899]::/64 401 899 6: FQDN IPv4 IPv6 DNS ns2.meeting.ietf.org 133.93.8.53 2001:dfb:0:8::53 PE2650-O DNS ns.meeting.ietf.org 133.93.9.53 2001:dfb:0:9::53 PE1950-A SMTP smtp.meeting.ietf.org 133.93.8.25 2001:dfb:0:8::25 PE1950-A NTP ntp.meeting.ietf.org 133.93.8.123 2001:dfb:0:8::123 PE1950-A DHCP dhcp1.ietf76.jp 133.93.8.67 N.A. PE1950-A DHCP osaka-dhcp.ietf76.jp 133.93.9.67 N.A. PE2650-O Printer printer1.meeting.ietf.org 133.93.56.10 2001:dfb:0:56::10 IPSiO SP 4210 Printer printer2.meeting.ietf.org 133.93.56.11 2001:dfb:0:56::11 IPSiO SP C820 Icecast icecast.meeting.ietf.org 133.93.99.99 2001:dfb:0:99::99 PE750 25
7: IPv4 IPv6 Jump Off Host 133.93.8.20 2001:dfb:0:8::20 PE1950-A 133.93.8.21 2001:dfb:0:8::21 DHCP, NTP, SMTP-relay, DNS PE2650-O 133.93.9.21 2001:dfb:0:9::21 DHCP, NTP, SMTP-relay, DNS, PE650-O 133.93.99.21 2001:dfb:0:99::21 ICECAST, stat 133.93.8.124 2001:dfb:0:8::124 SNMP, cacti, syslog Confman 133.93.8.31 N.A. conf mgmt, mac trace Fake-RA checker 133.93.8.11 N.A. wlan ops 133.93.7.200 2001:dfb:0:7::200 wcs 133.93.10.14 N.A. vmkun1 133.93.9.202 N.A. vmkun2 133.93.9.203 N.A. bench 133.93.8.204 N.A. OeESXi 133.93.9.202 N.A. 8: ( ) AP1252 Cisco 52 3 5GHz dipole, 3 2.4GHz dipole Power Injector Cisco 10 AIR-PWRINJ4 WLC5508 Cisco 2 100 APs license Cat3560E-48PDF Cisco 5 1000T:PoE*48,X2*2 Cat3560E-48PD Cisco 11 1000T*24,1000T:PoE*24,X2*2 Cat2960G-48TCL Cisco 1 1000T*44,Dual*4 Cat3560G-24TS Cisco 1 1000T*24,SFP*4 Cat3560E-48TD Cisco 1 1000T*48,X2*2 Cat3750G-24TS Cisco 3 1000T*24,SFP*4 Cat3750G-48TS Cisco 1 1000T*48,SFP*4 Cat3750G-48PS Cisco 1 1000T:PoE*48,SFP*4 ASR1002 Cisco 2 SPA-8X1GE-V2*2,SFP-GE-S*12,SFP-GE-T*12 PE1950 BIGLOBE 3 Xeon5130-2GHz,4GB Mem,RAID1 73GB AX7808R Alaxala 1 1000T*12,SFP*12 AX7702R Alaxala 1 1000T*12,SFP*12 AX6304S Alaxala 1 1000T*24,SFP*12 AX2430-24T Alaxala 6 1000T*24(SFP*4) AX2430-48T Alaxala 5 1000T*48(SFP*4) AX3640-24T Alaxala 4 1000T*24(SFP*4), L3 PE750 KEIO 3 P4-3.2GHz/512MB Mem/RAID1 120GB AP1250+PWI NAOJ 5 half rack KEIO 1 DL320G5 NAOJ 2 IO server NAOJ 2 Corei7 PE2650 WIDE 1 Xeon2.4G, 256MB, RAID1 32GB, C7301 WIDE 1 SP C820 Ricoh 1 SP 4210 Ricoh 1 26
Network Basics Network and Terminal Room Information November 2009 IETF 76, Hiroshima, Japan The IETF 76 network connects to the Internet via a GE circuit through Japanese R&E NWs, IXs and Japanese major ISPs. The meeting and overflow hotels are covered by 133.93.0.0/16 and 2001:dfb::/32. The IPv4 network address is provided by DHCP, while IPv6 address is is providing via DHVP6-lite and Dynamic Auto-configuration for IPv6. Wireless An 802.11 a/b/g wireless network is being provided liberally in the ANA Crowne Plaza Hotel Hiroshima. The areas being specifically covered are the meeting rooms and hallways in the conference area, the main lobby, 7th floor meeting rooms and 22nd floor meeting rooms. To use this network, associate with the beaconed SSID of ietf for 802.11b/g and 802.11a/n and ietf-a for 802.11a/n. WPA2-AES-PSK is also provided both 802.11b/g and 802.11a/n ietf.wpa and 802.11a/n ietf-a.wpa with hiroshimajapan as the wpa-passphrase. The proper operation of the wireless network requires the assistance of all users. One of the most significant issues with wireless performance in past IETF meetings has been wireless clients automatically, or accidentally initiating ad-hoc networks that act as the official IETF wireless network, causing other users to associate with false IETF wireless networks. Therefore, please disable your client s ability to create an ad-hoc network and as well as the ability to automatically join an ad-hoc network. If you are using Windows XP or Mac OS X 10.4 and 10.5 to manage your wireless client, the instructions to disable creation of ad-hoc networks are listed below. If you are using other systems, please do whatever your particular wireless client management system requires to turn off ad-hoc networks. Instructions for Mac OS X Open System Preferences Network Airport Options and un-check the box for Create Computer-to-Computer networks. Instructions for Windows XP Open Properties wireless networks advanced and then select access point (infrastructure) networks only and unselect automatically connect to non-preferred networks. 1 8: 1/4 27
Guest Rooms in the Venue and Overflow Hotels The IETF 76 network is also provided in your Internet room access at all IETF hotels (ANA, Sun Route, Mitsui Garden, Oriental, Rihga Royal, and Granvia), both IPv4 and IPv6 identical to the conference area. The hotel network will be rolled back to original configurations between 11am and 2pm on November 13th, Friday. Terminal Rooms There are two terminal rooms - Matsu room and Wedding Hall both on the 4th floor of the ANA Crowne Plaza Hotel Hiroshima. There are approximately 24 seats in Matsu room and 36 seats in Wedding Hall with wired 10/100/1000 Ethernet access and 100V/60Hz Japanese (power outlet is as same as North American type) power outlets. No food or drink in the terminal rooms, please! While Matsu room is open 24 hours a day until 5pm on Friday November 13th, Wedding Hall is open only from 8am to 8pm and available until noon on Friday November 13th. In Matsu room there is a monochrome and a color laser printer. They are IPv6 ready. A help desk is being provided from 8am to 8pm every day in Wedding Hall. NOC If you need to report a problem to the NOC, either stop by the help desk located in Wedding Hall terminal room, or send an email to noc@meeting.ietf.org and the Jabber room at noc@jabber.ietf.org. Printing Two IPv6 enabled printers are located in the Terminal Rooms (one for each room). The printers themselves are RICOH Aficio SP 4210 (monochrome; printer1.meeting.ietf.org: in Wedding Hall) and RICOH Aficio SP C820 (color: printer2.meeting.ietf.org: in Matsu room) which are Postscript capable and have the duplex option installed. The printers are accessible via LPD and IPP. The paper size is A4 only, and any letter size printing may result in A4 output. Detailed printing instructions will be available in each terminal room. Services The following network services are provided: SMTP smtp.meeting.ietf.org (IPv4: 133.93.8.25, IPv6: 2001:dfb:0:8::25) SMTP relay services are provided for users on the IETF network. NTP ntp.meeting.ietf.org (IPv4: 133.93.8.123, IPv6: 2001:dfb:0:8::123) Stratum 2 time service is provided via IPv4 and IPv6 unicast. 2 9: 2/4 28
Additionally, recursive DNS service is provided by two servers (ns2.meeting.ietf.org, 133.93.8.53, 2001:dfb:0:8::53), and (ns.meeting.ietf.org, 133.93.9.53, 2001:dfb:0:9:53). They don t accept any dynamic DNS update requests. Our domain name is meeting.ietf.org. Thanks The terminal room and IETF network are made possible by the generous contributions by a number of companies and by the tireless efforts of our volunteer team. If you see any of these people in the halls, please be sure to thank them for all their work! 3 10: 3/4 29
Host Platinum Sponsors Gold Sponsors Silver Sponsors Silver Sponsors Supporting Sponsor Other contributors NOC/Volunteers Staff WIDE Project Internet Initiative Japan Inc. NTT Communications Corporation Fujitsu Limited Japan Registry Services Co., Ltd. KDDI CORPORATION NEC Corporation NIPPON TELEGRAPH AND TELEPHONE WEST CORPORATION SOFTBANK BB Corp. ALAXALA Networks Corporation Cisco Systems, Inc. ITOCHU Techno-Solutions Corporation BBIX, Inc Hitachi, Ltd. INTERNET MULTIFEED CO. Japan Network Information Center Net One Systems Co., Ltd NISSHO ELECTRONICS CORPORATION TOSHIBA CORPORATION Ricoh Co., Ltd Hiroshima City University Hiroshima University City of Hiroshima Hiroshima Convention & Visitors Bureau National Institute of Informatics National Institute of Information and Communications Technology Asia Pacific Network Information Center Akira Kato Katsuyuki Hasebe Masafumi Oe Masami Tokunaga Yuichiro Tahara Noriyuki Shigechika Tohru Kondo Yuji Sekiya Takashi Tomine Kohei Hayakawa Akiko Hattori Koichi Shibakawa Tomoaki Kozu Dai Kobayashi Zin Uda Joel Jaeggli Jim Martin Bill Jensen Chris Elliott and more Scott Macdonald 4 11: 4/4 30