Gnutella TCP/IP Ping, Query 4. QueryHit 5. HTTP 2

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1 jnutella.org 1. Gnutella Gnutella descriptor) GTKT (Gnutella Toolkit) 2. Jnutella P2P JPPP JPPP SDK Gnutella 1. Gnutella descriptor) 4. GTKT (Gnutella Toolkit) 1

2 Gnutella TCP/IP Ping, Query 4. QueryHit 5. HTTP 2

3 2. "GNUTELLA CONNECT/0.4" "GNUTELLA OK" 3. Query Query 3

4 3. Query QueryHit Query Query 3. QueryHit Query 4

5 4. QueryHit Query 4. QueryHit 5

6 5. 5. HTTP GET GET /get/<file Index>/<File Name>/ HTTP/1.0 r n Connection: Keep-Alive r n Range: bytes=0- r n User-Agent: Gnutella r n r n r n 6

7 Descriptor 1. Descriptor 2.Gnutella Descriptor 3. Ping, Pong, Query, QueryHit, Push Descriptor Type Ping Function Pong Routing broadcast Pong Query sendback broadcast QueryHit Push Firewall sendback sendback 7

8 Descriptor Descriptor 23 Descriptor Descriptor Descriptor ID 0 32 Message ID 128bit) Type(8bit) TTL(8bit) Hops(8bit) Payload Payload (32bit) 8

9 Descriptor 1. Ping TypeID = 0x0 Ping Pong broadcast Ping Ping Ping Ping Ping Ping 2. Pong Descriptor TypeID = 0x1 14 Ping IP send back Pong 9

10 Descriptor 3. Query TypeID = 0x80 null broadcast Speed(16bit) 23 +null(0x00) Descriptor 4. QueryHit TypeID = 0x81 IP null send back 10

11 Descriptor 4. QueryHit 23 Hit (8bit) Port (16bit) IP IP (32bit) speed(32bit) fileindex(32bit) (32bit) (null ) Hit speed ID Descriptor 5. Push TypeID = 0x40 26byte Firewall send back Push Connection HTTP GET 11

12 Gnutella broadcast send back broadcast Query Query Query Query send back QueryHit Descriptor Broadcast Ping, Query Send back Pong, QueryHit, Push Push Message ID Servant ID 12

13 Broadcast Query Descriptor Message ID Query ID QueryHit ID Query Message ID Descriptor GTKt Gnutella Toolkit Jnutella.org Gnutella GUI 13

14 GTKt Gnutella Toolkit Gnutella GTKt GTKt Gnutella Toolkit ver0.14 BearShare QueryHit PongFollowup 50KB (Reflector, BearShare, ToadNode, LimeWire, Furi) Descriptor Push 14

15 Gnutella ping10000 ping, pong NAT Firewall incoming push ASCII Gnutella BearShare QueryHit QueryHit BearShare Busy Ping, Pong Multiplex Gnutella 60% ping-pong ping, pong 15

16 URL Jnutella.org GTKt GDF Jnutella P2P 1. JPPP JPPP SDK 16

17 JPPP Gnutella Mog Project Pure P2P Fully Decentralized JPPP Napster Central point P2P SDK 17

18 P2P Peer P2P 18

19 Peer JPPP JPPP P2P Gnutella IP 19

20 Discovery Service 20

21 Agreement ID with Agreement ID 21

22 22

23 Multihop unicast 1 1 Sendback unicast 23

24 Pure P2P Multihop unicast MANET 24

25 Proactive 25

26 ID ID. JPPP 26

27 TTL ID ID ID... HOPS... ID 9BFCF2C2 9BFCBB5E BFCF2A BFCF2EF 27

28 9BFCF2C2 9BFCBB5E BFCF2A BFCF2C2 28

29 SDK Profile interface Core interface Core SOAP HTTP, SMTP Profile TCP Gnutella... 29

30 SDK Ver0.2 SOAP/HTTP Selializer HTTP Firewall Bluetooth Java SDK Apache-SOAP 2.0 JPPPBeanSerializer Jasper3.0 RPCRouter Servlet GTKt (GnutellaToolkit) 30

31 SDK SDK 31

32 SDK SDK Broadcast 32

33 SDK sendback unicast Send back unicast Stack Routing SDK 33

34 SDK Milestone SDK Runtime JPPP Ver0.5 C Bluetooth Transport WLAN Transport JPPP Ver JPPP ID 34

35 Pure P2P Central Point Pure P2P -> Jnutella.org Jnudev ML JPPP Ver MANET Mobile IP NTTPREFERENCE, SION Cybiko 35

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