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1 KUINS No. 55 KUINS KUINS 24 P2P ( ) (SINET3) KUINS KUINS Web KUINS KUINS News 673

2 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 KUINS KUINS P2P P2P KUINS-III KUINS-II IP KUINS-III P2P KUINS-II P2P 674 KUINS News

3 skype P2P 3. KUINS No [email protected] SINET3 4 (SINET3) SINET ( ) SINET SINET 2 SINET IP SINET SINET ( SINET3) SINET3 ( VPN QoS ) KUINS News 675

4 No 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

5 : 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

6 No. 55 (5) SINET3 ( 5) 5: 6 VPN QoS 6: SINET3 3. SINET3 (1) SINET KUINS News

7 ( ) IP 7: SINET3 (2) 8 SINET SINET 3 IP SINET3 SINET SINET 2 IP L2 L1 IP L1 8: SINET3 KUINS News 679

8 No. 55 SINET3 9 SINET SINET 60 SINET3 12 IP SINET SINET 40Gbps 9: SINET3 (3) SINET3 SINET3 SINET3 LAN IP B ( 10) 10: SINET Gbps 2.4Gbps 622Mbps 622Mbps KUINS News

9 : 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

10 No : 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) SINET/ SINET ( L1 ) 1: 682 KUINS News

11 SINET3 SINET3 (SINET3 [email protected] ( ) ( CSI) CSI UPKI CSI SINET3 spam KUINS KUINS spam ISP KUINS KUINS No spam KUINS (mx1.kuins.net, mx2.kuins.net, sendmail.kuins.net, mailrelay.kuins.net) 4. KUINS KUINS 1 KUINS spam spam KUINS KUINS News 683

12 No ( ) , ( )17 [email protected] [email protected] : KUINS KUINS Subversion 19 2 Subversion [email protected] KUINS 24 KUINS , 684 KUINS News

13 Web 1. KUINS No.52 No.53 Active! mail Web Active! mail Web Active! mail Active! mail KUINS No : 2 KUINS News 685

14 No. 55 2: [OK] ( : ) [ ] 3 [ ] 3: [ ] ( ) [ ] [ ] /[ ] /[ ] /[ ] 686 KUINS News

15 [ ] [ [ ] kuins ( 4) 4: [ ] 5 5: [ ] 2.2 Active! mail 2 MIME-Version: 1.0 MIME-Version: 1.0 MIME-Version: 1.0 KUINS News 687

16 No. 55 [ ] / / [ / ] [ ] /[ ] [ ] /[ ] ( / / ) [ ] [ ] ( :[ ]) ( 6) 6: [ / ] [ ] 7 7: [ / ] 688 KUINS News

17 / / 2.3 Active! mail ( Bayesian Filter 2 ( ) 90 [ ] Active! mail [SPAM] 3. Web KUINS News 689

18 No KUINS KUINS ( 18 7 ) KUINS KUINS LAN KUINS 18 ( ) KUINS ( 18 8 ) KUINS KUINS 19 KUINS ( 18 9 ) KUINS KUINS KUINS KUINS [email protected] ( , 7432) 690 KUINS News

Motivation 3 Motivation 4 (Availability) Keep High Availability Providing Reliable Service (New service, function) Provide new Services, with new func

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