2007. 2. 7 KUINS No. 55 KUINS http://www.kuins.kyoto-u.ac.jp/ KUINS 24 P2P ( )...674 (SINET3)...675...683 18...684 KUINS...684 KUINS 24...684 Web...685 KUINS...690...690 KUINS News 673
No. 55 P2P ( ) KUINS No.54 KUINS-II P2P P2P 1. skype 2. KUINS P2P KUINS-II KUINS-III proxy P2P P2P P2P PC P2P 1. KUINS-II P2P KUINS-II P2P [ ] BitTorrent emule Edonkey Gnutella Kazaa WinMX Winny P2P P2P [ ] skype ichat MSN. 2. KUINS-III P2P 18 12 KUINS KUINS P2P P2P KUINS-III KUINS-II IP KUINS-III P2P KUINS-II P2P 674 KUINS News
2007. 2. 7 skype P2P 3. KUINS No.54 075-753-7432 7841 q-a@kuins.kyoto-u.ac.jp SINET3 4 (SINET3) SINET3 1. 700 ( ) SINET SINET 2 SINET IP SINET SINET ( SINET3) SINET3 ( VPN QoS ) KUINS News 675
No. 55 2. SINET3 SINET3 (1) (IP Ethernet ) (2) VPN (Virtual Private Network (3) QoS(Quality of Service) (4) 1 (5) ( (1) SINET3 SINET3 IP (L3 ) Ethernet (L2 ) L1 ( 1) SINET3 IP Native IPv6 Ethernet LAN / GE 2.4Gbps GE 10 GE 150Mbps n(1 n 64) L1 (e-vlbi ) SINET3 L3 L1 (4 ) 1: (2) VPN ( 2) SINET3 SINET IP VPN (L3-VPN) Ethernet VPN L2-VPN L2-VPN L3/L2-VPN VPN QoS L1( / ) VPN 676 KUINS News
2007. 2. 7 2: VPN (3) QoS SINET3 VPN L1 QoS VPN SINET3 ( 3) L1 3: QoS (4) 1 SINET3 (150Mbps n) ( ) 4 Web 1 4: 1 KUINS News 677
No. 55 (5) SINET3 ( 5) 5: 6 VPN QoS 6: SINET3 3. SINET3 (1) SINET3 7 1 3 678 KUINS News
2007. 2. 7 ( ) IP 7: SINET3 (2) 8 SINET SINET 3 IP SINET3 SINET SINET 2 IP L2 L1 IP L1 8: SINET3 KUINS News 679
No. 55 SINET3 9 SINET SINET 60 SINET3 12 IP SINET SINET 40Gbps 9: SINET3 (3) SINET3 SINET3 SINET3 LAN IP B ( 10) 10: SINET3 2007 11 10Gbps 2.4Gbps 622Mbps 622Mbps 3 2 1 680 KUINS News
2007. 2. 7 11: SINET3 4 SINET3 (1) 12 L2 L1 L1 IP 10Gbps 2.4Gbps SDH (Synchronous Digital Hierarchy) 1GE SDH L1 FE GE 10GE Ethernet L2 L3 L L2 L1 L2/L3 L1 L1 L2/3 10GE IP IP L3 (L3-VPN ) MPLS(Multi-Protocol Label Switching) L2 MPLS 10GE L L1 L1 IP/MPLS L1 Ethernet SDH 2.4Gbps (e-vlbi ) L 10Gbps 1Gbps L1 L2/L3 L1 L2/L3 (2) L1 SDH GFP(Generic Framing Procedure) VCAT (Virtual Concatenation) LCAS (Link Capacity Adjustment Scheme) Ethernet GFP VCAT L1 L2/L3 LCAS L1 IP KUINS News 681
No. 55 12: IP/MPLS IEEE802.3x L1 GMPLS (Generalized Multi-Protocol Label Switching) IP IPv6 IPv4/IPv6 dual stack L3-VPN BGP/MPLS VPN L2-VPN EoMPLS(Ethernet over MPLS) (2 ) VPLS(Virtual Private LAN Service) ( ) 4 QoS NW 4 2 FRR (Fast ReRoute) 5 1 2007 4 SINET/ SINET ( L1 ) 1: 682 KUINS News
2007. 2. 7 6 SINET3 SINET3 (SINET3 sinet3@sinet.ad.jp ( ) ( CSI) CSI UPKI CSI SINET3 spam KUINS KUINS spam ISP KUINS KUINS No.52 1. spam 2. 3. KUINS (mx1.kuins.net, mx2.kuins.net, sendmail.kuins.net, mailrelay.kuins.net) 4. KUINS KUINS 1 KUINS spam spam KUINS KUINS News 683
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No. 55 075-753-7432 7841 mail-qa@kudpc.kyoto-u.ac.jp KUINS 18 10 20 19 2 6 KUINS 18 11 7 ( 18 7 ) KUINS KUINS LAN KUINS 18 ( ) KUINS 18 12 4 ( 18 8 ) KUINS KUINS 19 KUINS 19 1 12 ( 18 9 ) KUINS KUINS KUINS KUINS kuins-news@kuins.kyoto-u.ac.jp (075-753-7841, 7432) 690 KUINS News