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ときなうるしはた
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1 ISP JPNIC

2 ISP - ISP6 SNMP (3 ) - 1 Sampled NetFlow ISP - - 2

3 (1) IX (JPIX/JPNAP/NSPIXP) % Aggregated IX traffic [Gbps] Traffic volume Growth rate Year Traffic growth at major Japanese IXes 4 Annual growth rate

4 (2) 2,500 DSL:1,440 CATV:350 FTTH:720 ( ) - DSL FTTH FTTH DSL RBB subscribers in Japan 4

5 (3) - - ISP - Winny, Gyao, YouTube,... 5

6 ISP6 6

7 - - ISP - ISP6 ( IP ) IIJ, K-Opticom, KDDI, NTT Communications, SoftBank BB, SoftBank Telecom, (POWEREDCOM) - : ( ) ( ) (IIJ) (NII) ,10, , ,11 : 2005/01/25,2005/7/27,2006/3/10,2006/7/31 : ACM SIGCOMM CCR, Jan 2005, ACM SIGCOMM, Sep 2006 : SRCCS workshop, Seoul 2005/01. IEPG meeting, Minneapolis 2005/03. Interop Tokyo 2005/ /10. NANOG36, Dallas 2006/02. Asia Broadband Summit, Bali 2007/02. 7

8 - ISP - - ISP - 8

9 ISP ISP - MRTG/RRDtool ISP (B1) (B2) (B3) external 6IXes external domestic external international JPNAP/JPIX/NSPIXP local IXes private peering/transit external edge ISP customer edge (A1) (A2) RBB customers non-rbb customers DSL/CATV/FTTH leased lines data centers (C) prefectural dialup 5 traffic groups at ISP cusomer and external boundaries 9

10 SNMP ISP MRTG RRDtool SNMP - MRTG/RRDtool - ISP ISP - ISP IN/OUT ISP 10

11 % - : IN:33% OUT:36% % - ( ) Traffic (Gbps) A1(in) A1(out) A2(in) A2(out) 2004/ / / / /11 Growth of customer traffic Traffic (Gbps) / / / / /11 Growth of external traffic B1(in) B1(out) B2(in) B2(out) B3(in) B3(out) 11

12 (2006/11) 6 DSL/CATV/FTTH - IN/OUT (IN/OUT ISP ) - 200Gbps 150Gbps - 21:00 23:00 12

13 2004 IN OUT 2006 OUT( )

14 IN (2004/2005/2006)

15 - IX - IX IX - : ( ) 6IXes international other-domestic External weekly traffic in November

16 - 7 a metropolitan prefecture a rural prefecture Example prefectural traffic 16

17 - - ( ) Traffic [Gbps] Population [x 1000] In Out Prefectural traffic volumes are roughly linear to populations 17

18 ISP IX 42% - BB 637Gbps (2006/11) BB 21:00-23:00 70% ( ) BB IX BB 2 18

19 ISP 19

20 6 - DSL

21 Sampled NetFlow /2 2005/7 3 - : /DSL 6 21

22 - ( ) 200GB/day (19Mbps)! - 2.5GB/day (230kbps) 4% ( ) - 2.5GB/day : 4% 10% DSL 2% Cumulative distribution in out Daily traffic per user [bytes] Cumulative distribution in out Daily traffic per user [bytes] Cumulative distribution in out Daily traffic per user [bytes] total fiber DSL CCDF of daily traffic volume per user 22

23 - - DSL Cumulative distribution in out Daily traffic per user [bytes] Cumulative distribution in out Daily traffic per user [bytes] a rural prefecture a metropolitan prefecture CCDF of daily traffic volume per user 23

24 % % - IN 4% 75% - OUT 4% 60% Cumulative traffic in out Cumulative heavy hitters Cumulative Traffic of heavyhitters 24

25 IN/OUT IN/OUT - : ( ) - : (IN/OUT ) DSL - Daily inbound traffic [bytes] Daily outbound traffic [bytes] Daily inbound traffic [bytes] Daily outbound traffic [bytes] fiber DSL daily per-user inbound/outbound volumes 25

26 /DSL DSL fiber DSL Normalized number of active users 26

27 /DSL /DSL IN: 86%, DSL 14% others heavy-hitters total fiber DSL 27

28 traffic (bits/sec) 4.5e+07 4e e+07 3e e+07 2e e+07 1e+07 5e ranking /21 02/22 02/23 02/24 02/25 02/26 02/27 02/28 time 28

29 / TCP 80 (http) 9% 83% TCP - protocol port name (%) port name (%) TCP * (< ) http smtp ftp-data nntp rtsp ftp https ssh pop others 2.27 (>= ) 1935 macromedia-fsc winmx ms-streaming gnutella winny bittorrent edonkey gnutella 0.21 others UDP * winmx gnutella 0.39 others 0.93 ESP 1.09 GRE 0.07 ICMP 0.01 others

30 RBB(residential broadband), DOM (other domestic), INTL (international) - IP Geo-IP 62% 90% (RBB DOM) - - P2P? src\dst ALL RBB DOM INTL ALL RBB DOM INTL

31 - (Y ) (X ) - hkdamr iwt mygakt ygt fks ibr tcg gnmstm chb tky kng ngt tym isk fki yns ngn gif szk aic mie sig kyt osk hyg nar wky ttr smnoky hrs ygc tks kgwehmkch fko sag ngs kmt oit myz kgs okn hkd amr iwt myg akt ygt fks ibr tcg gnm stm chb tky kng ngt tym isk fki yns ngn gif szk aic mie sig kyt osk hyg nar wky ttr smn oky hrs ygc tks kgw ehm kch fko sag ngs kmt oit myz kgs okn

32 100% 1-3% - hkdamr iwt mygakt ygt fks ibr tcg gnmstm chb tky kng ngt tym isk fki yns ngn gif szk aic mie sig kyt osk hyg nar wky ttr smnoky hrs ygc tks kgwehmkch fko sag ngs kmt oit myz kgs okn hkd amr iwt myg akt ygt fks ibr tcg gnm stm chb tky kng ngt tym isk fki yns ngn gif szk aic mie sig kyt osk hyg nar wky ttr smn oky hrs ygc tks kgw ehm kch fko sag ngs kmt oit myz kgs okn

33 (1) - 2/ ? 100% % 58 33

34 (2) - 4% 75% - 85% - - ( 10%) 34

35 (3) - ISP

36 (4) ISP ( ) - - Net Neutrality - ISP 36

37 - - ISP

iw-2007

iw-2007 1 2 3 ( ) 4 5 6 7 8 9 10 Domestic IN 6IX IN Out ISP IN Out International Out Broadband Customer 11 12 ( ) 13 14 15 16 17 2004 Nov. 2007 May. In/Out 18 19 20 21 22 unit: Gbps (B1) 6 IXes All 6 IXes ratio