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SynBoo id:SynBoo

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Genkidamaã«å¯¾ã™ã‚‹å¤§ããªæœŸå¾…ã¨èª²é¡Œ - Tomoâ€™s HotLine
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SynBoo 2009/04/27
p2p

dht

Genkidama

tomo
ãƒªãƒ³ã‚¯
ãƒ‹ã‚³ãƒ‹ã‚³å‹•ç”»ã®ã‚ãƒ£ãƒƒã‚·ãƒ¥ã‚’çš†ã§å…±æœ‰ã™ã‚‹ã‚½ãƒ•ãƒˆã€ŒGenkidamaã€ã‚’ãƒªãƒªãƒ¼ã‚¹ã—ã¾ãµã€‚ - syuu1228's blog
ãªã«ã“ã‚Œ ãƒ‹ã‚³ãƒ‹ã‚³å‹•ç”»ã®å‹•ç”»ãƒ•ã‚¡ã‚¤ãƒ«ã®ã‚ãƒ£ãƒƒã‚·ãƒ¥ãƒ•ã‚¡ã‚¤ãƒ«ã‚’çš†ã§å…±æœ‰ã—ã‚ã£ã¦ã‚ˆã‚Šå¿«é©ã«ãƒ‹ã‚³å‹•ã‚’æ¥½ã—ã‚ã‚‹ã‚½ãƒ•ãƒˆã§ã™ã€‚ ã“ã‚Œã§ä¸€èˆ¬ä¼šå“¡ã§ã‚‚å›žç·šæ··é›‘æ™‚ã«é€šå¸¸ç”»è³ªã§å‹•ç”»ãŒè¦‹ã‚Œã‚‹ã‹ã‚‚ã—ã‚Œãªã„ãƒ»ãƒ»ãƒ»ï¼ã£ã¦è¨³ã§ã™ï¼ˆèª°ã‹ãŒä»¥å‰ãã®å‹•ç”»ã‚’é€šå¸¸ç”»è³ªã§è¦‹ã¦ã„ã¦ãã‚Œã‚Œã°ã€ã®è©±ãªã‚“ã ã‘ã©ãï¼‰ã€‚ ãˆã„ã•ã‚ã•ã‚“ã®NicoCacheã‚’ãƒ™ãƒ¼ã‚¹ã«P2PæŠ€è¡“ã‚’ç”¨ã„ã¦ã‚ãƒ£ãƒƒã‚·ãƒ¥æƒ…å ±ã‚’Genkidamaã‚’èµ·å‹•ã—ã¦ã„ã‚‹PCåŒå£«ã§å…±æœ‰ã™ã‚‹ä»•çµ„ã¿ã‚’è¿½åŠ ã—ã¦ã‚ã‚Šã¾ã™ã€‚ ãˆã„ã•ã‚ã•ã‚“è‰¯ã„ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ã‚½ãƒ¼ã‚¹å…¬é–‹ã—ã¦ãã‚Œã¦æ„Ÿè¬ã§ã™ã€‚ å‹•ä½œç’°å¢ƒ Java 6.0ãŒå‹•ãã‚·ã‚¹ãƒ†ãƒ (Windows, Linuxã§å‹•ä½œç¢ºèªæ¸ˆã¿ï¼‰ ãŸã¶ã‚“Macã§ã‚‚ãŠï½‹ã€‚ ãƒ«ãƒ¼ã‚¿ã«ã‚°ãƒãƒ¼ãƒãƒ«IPãŒæŒ¯ã‚‰ã‚Œã¦ã„ã¦ã€UPnPã§ãƒãƒ¼ãƒˆè§£æ”¾å‡ºæ¥ã‚‹å¿…è¦ã‚ã‚Šã€‚ ä½¿ã„æ–¹ Windows ãƒ–ãƒ©ã‚¦ã‚¶ã®ãƒ—ãƒã‚ã‚·è¨å®šã§localhost:8080ã‚’æŒ‡å®šã€‚ Genkidama.batã‚’å®Ÿè¡Œã™ã‚‹ã€‚ ä½¿ã„
SynBoo 2009/04/27
niconico

p2p

soft

Genkidama

dht
ãƒªãƒ³ã‚¯
Chord - FreeStyleWiki
ã€ŒChordã¯ã€åˆ†æ•£ãƒãƒƒã‚·ãƒ¥ãƒ†ãƒ¼ãƒ–ãƒ«ã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã®ä¸€ã¤ã§ã€ãƒãƒƒã‚·ãƒ¥ç©ºé–“ã‚’ãƒªãƒ³ã‚°çŠ¶ã«è¦‹ç«‹ã¦ã¦ç®¡ç†ã™ã‚‹æ‰‹æ³•ã€‚ãƒŽãƒ¼ãƒ‰æ•°ãŒNã®å ´åˆã¯ã€ŒO(logN)ã€ã®æ¤œç´¢åŠ¹çŽ‡ã¨ãªã‚‹ã€‚ ãƒªãƒ³ã‚°ã‚µã‚¤ã‚ºã¯ã€ãƒãƒƒã‚·ãƒ¥ã‚³ãƒ¼ãƒ‰å€¤ã®ã‚µã‚¤ã‚ºã«ä¾å˜ã™ã‚‹ã€‚ ãŸã¨ãˆã°ã€SHA-1ã®å ´åˆã¯2^160ã€SHA-256ã®å ´åˆã¯2^256ã®ãƒŽãƒ¼ãƒ‰ãŒæ‰±ãˆã‚‹ã“ã¨ã«ãªã‚‹ã€‚ä¾‹ãˆã°ã€ä¸‹è¨˜ã®å ´åˆã¯ä¾¿å®œä¸Šã€Œ2^4 = 16ã€ã®ãƒŽãƒ¼ãƒ‰ãŒå˜åœ¨ã™ã‚‹ã€‚ æŒ‡å®šã®ãƒŽãƒ¼ãƒ‰ã®æ¬¡ã«ã‚¢ã‚¯ãƒ†ã‚£ãƒ–ãªãƒŽãƒ¼ãƒ‰ã‚’Finger(x)ã¨ã„ã†é–¢æ•°ã§è¡¨ã™ã¨ä»¥ä¸‹ã®ã‚ˆã†ã«ãªã‚‹ã€‚ Finger(0) = 0 Finger(1) = 1 Finger(2) = 4 Finger(3) = 4 Finger(4) = 4 Finger(5) = 5 Finger(6) = 8 Finger(7) = 8 Finger(8) = 8 Finger(9) = 11 Finger(10) = 11
SynBoo 2009/01/27
dht

chord
ãƒªãƒ³ã‚¯
Oracle.com Outage
This site is experiencing technical difficulty. We are aware of the issue and are working as quick as possible to correct the issue. We apologize for any inconvenience this may have caused. To speak with an Oracle sales representative: 1.800.ORACLE1. To contact Oracle Corporate Headquarters from anywhere in the world: 1.650.506.7000. To get technical support in the United States: 1.800.633.0738.
SynBoo 2009/01/27
ConsistentHashing

algorithm

dht

java
ãƒªãƒ³ã‚¯
ConsistentHashing - ã‚³ãƒ³ã‚·ã‚¹ãƒ†ãƒ³ãƒˆãƒ»ãƒãƒƒã‚·ãƒ¥æ³•
ConsistentHashing - ã‚³ãƒ³ã‚·ã‚¹ãƒ†ãƒ³ãƒˆãƒ»ãƒãƒƒã‚·ãƒ¥æ³• ç›®æ¬¡ ã“ã®æ–‡æ›¸ã«ã¤ã„ã¦ ã‚³ãƒ³ã‚·ã‚¹ãƒ†ãƒ³ãƒˆãƒ»ãƒãƒƒã‚·ãƒ¥æ³• å®Ÿä¾‹ å®Ÿè£… ç”¨é€” ã‚³ãƒ³ã‚·ã‚¹ãƒ†ãƒ³ãƒˆãƒ»ãƒãƒƒã‚·ãƒ¥æ³• ã“ã®æ–‡æ›¸ã«ã¤ã„ã¦ "Tom White's Blog: Consistent Hashing" ã®æ—¥æœ¬èªžè¨³ã§ã™. http://weblogs.java.net/blog/tomwhite/archive/2007/11/consistent_hash.html æŽ¨æ•²æ“è¿Ž: èª¤è¨³, ã‚¿ã‚¤ãƒ, è¨³èªžã®ä¸çµ±ä¸€, ãã®ã»ã‹... åŽŸæ–‡ã®ãƒ©ã‚¤ã‚»ãƒ³ã‚¹: http://creativecommons.org/licenses/by-nc-sa/2.0/ ç§ã¯ä»Šã¾ã§ã«ä½•åº¦ã‹ã‚³ãƒ³ã‚·ã‚¹ãƒ†ãƒ³ãƒˆãƒ»ãƒãƒƒã‚·ãƒ¥æ³•ã«ã¨ã‚Šãã‚“ã ã“ã¨ãŒã‚ã‚‹ã€‚ ã“ã®ã‚¢ã‚¤ãƒ‡ã‚¢ã‚’ã‚ã‚‰ã‚ã—ãŸè«–æ–‡ ( David Karger ã‚‰ã«ã‚ˆã‚‹ Consistent Hashing and R
SynBoo 2009/01/27
ConsistentHashing

algorithm

dht

java
ãƒªãƒ³ã‚¯
[P2P][DHT]P2Påˆ†æ•£ãƒ—ãƒã‚ã‚·ã®æ¤œè¨Žï¼šãã®ï¼“ - Tomoâ€™s HotLine
IT æŠ€è¡“ã‚’ä¸å¿ƒã«ã€æš®ã‚‰ã—ã«å½¹ç«‹ã¤æƒ…å ±ã‹ã‚‰ã‚¯ãƒ©ã‚·ãƒƒã‚¯éŸ³æ¥½ã®è§£èª¬ã¾ã§æ°—è»½ã«æƒ…å ±ç™ºä¿¡ã—ã¦ã„ã¾ã™ã€‚ WEBã‚µã‚¤ãƒˆã¯http://toremoro21.world.coocan.jp/ã€€Twitterã¯@toremoro21ã§ã™ã€‚ å‰å›žã¯P2Påˆ†æ•£ãƒ—ãƒã‚ã‚·ã«ãŠã„ã¦ï¼¤ï¼¨ï¼´ã‚’æ”¹è‰¯ã—ã¦ãƒ«ãƒ¼ãƒ†ã‚£ãƒ³ã‚°å…ƒã‚’åŒ¿åã™ã‚‹æ–¹æ³•ã‚’ææ¡ˆãƒ»ç´¹ä»‹ã—ãŸã€‚ ä»Šå›žã¯é€šä¿¡è‡ªä½“ã®åŒ¿åæ€§ã«ã¤ã„ã¦è°è«–ã—ãŸã„ã€‚ åŒ¿åæ€§ã‚’é«˜ã‚ãŸåˆ†æ•£ãƒ—ãƒã‚ã‚·ã¨ã—ã¦Torã‚’æŒ™ã’ã‚‹äººãŒå¤šã„ã ã‚ã†ã€‚ã“ã‚Œã¯Onion-routing(Mix-net)ã‚’ä½¿ã£ã¦åŒ¿åæ€§ã‚’é«˜ã‚ã¦ã„ã‚‹ã€‚ å®Ÿã¯ç§ã‚‚ã‹ãªã‚Šæ˜”ã«P2Pã§Mix-netã‚’ä½¿ã£ãŸåŒ¿åé€šä¿¡ã‚’è§£èª¬ã€ææ¡ˆã—ãŸã“ã¨ãŒã‚ã‚‹ã€‚ è§£èª¬ã«ã¤ã„ã¦ã¯ã€ P2Pã§ã®åŒ¿åé€šä¿¡è·¯ï¼ˆåŽŸç†ç·¨ï¼‰ ææ¡ˆã«ã¤ã„ã¦ã¯ã€ P2Pã§ã®åŒ¿åé€šä¿¡è·¯ï¼ˆå®Ÿè·µç·¨ï¼‰ DHTã«ã‚‚åŒæ§˜ã«Mix-netã‚’é©ç”¨ã§ãã‚‹ã®ã§ã“ã“ã§ã®è§£èª¬ã‚’çœãã€‚ ã¨ã“ã‚ã§ã€å‰å›žè§£èª¬ã—ãŸDHTã«ã‚ˆã£ã¦ãƒ«ãƒ¼ãƒ†
SynBoo 2008/11/05
tomo

p2p

dht

security

anonymity

distributedProxy
ãƒªãƒ³ã‚¯
[DHT][P2P]P2Påˆ†æ•£ãƒ—ãƒã‚ã‚·ã®æ¤œè¨Žï¼šãã®ï¼’ - Tomoâ€™s HotLine
SynBoo 2008/11/05
tomo

p2p

dht

security

anonymity

distributedProxy
ãƒªãƒ³ã‚¯
[DHT]P2Påˆ†æ•£ãƒ—ãƒã‚ã‚·ã®æ¤œè¨Žï¼šãã®ï¼‘ - Tomoâ€™s HotLine
IT æŠ€è¡“ã‚’ä¸å¿ƒã«ã€æš®ã‚‰ã—ã«å½¹ç«‹ã¤æƒ…å ±ã‹ã‚‰ã‚¯ãƒ©ã‚·ãƒƒã‚¯éŸ³æ¥½ã®è§£èª¬ã¾ã§æ°—è»½ã«æƒ…å ±ç™ºä¿¡ã—ã¦ã„ã¾ã™ã€‚ WEBã‚µã‚¤ãƒˆã¯http://toremoro21.world.coocan.jp/ã€€Twitterã¯@toremoro21ã§ã™ã€‚ ã•ã¦ã€ã“ã‚Œã‹ã‚‰æ•°å›žã«åˆ†ã‘ã¦ï¼¤ï¼¨ï¼´ã‚’ç”¨ã„ãŸï¼°ï¼’ï¼°ãƒ—ãƒã‚ã‚·ã«ã¤ã„ã¦è§£èª¬ã‚’è¡Œã†ã€‚ é€²ã‚æ–¹ã¨ã—ã¦å¤§ããåˆ†ã‘ã¦ ãƒ»ï¼°ï¼’ï¼°åˆ†æ•£ãƒ—ãƒã‚ã‚·ã®å®Ÿç¾æ–¹æ³•ã®æ¦‚ç•¥ã¨å®Ÿè£…æ™‚ã®æ³¨æ„ç‚¹ ãƒ»ï¼°ï¼’ï¼°åˆ†æ•£ãƒ—ãƒã‚ã‚·ã®åŒ¿åæ€§ã®è°è«–ï¼ˆDHT-P2Pãƒ—ãƒã‚ã‚·ã¯Torã‚’è¶…ãˆã‚‰ã‚Œã‚‹ã‹ï¼Ÿï¼‰ ãƒ»ï¼°ï¼’ï¼°åˆ†æ•£ãƒ—ãƒã‚ã‚·ã®å°†æ¥æ€§ ã«ã¤ã„ã¦æ›¸ã„ã¦ã„ãäºˆå®šã ã€‚ ã•ã¦ã€ï¼¤ï¼¨ï¼´ã«ã‚ˆã‚‹ï¼°ï¼’ï¼°åˆ†æ•£ãƒ—ãƒã‚ã‚·ã¯æ—¢ã«ï¼¨ï¼°ã§å®Ÿç¾æ–¹å¼ã‚’æ›¸ã„ã¦ã‚ã‚‹ã€‚ åˆ†æ•£ãƒãƒƒã‚·ãƒ¥ãƒ†ãƒ¼ãƒ–ãƒ«ã®ï¼°ï¼’ï¼°ã‚¢ãƒ—ãƒªã¸ã®å¿œç”¨ï¼šãã®ï¼’ ç°¡å˜ã«æ›¸ãã¨ã€ãƒŽãƒ¼ãƒ‰ï¼¡ãŒãƒ–ãƒ©ã‚¦ã‚¶ã§URL=url1ã‚’è¦‹ãŸã„ã¨ãã«ã¯Node_ID=hash(url1)ã¨ãªã‚‹ãƒŽãƒ¼ãƒ‰ï¼¸ã«ã‚¢ã‚¯ã‚»ã‚¹ã™ã‚Œã°è‰¯ã„ã€‚ã“ã®ã¨ãã«ã€ãƒŽãƒ¼
SynBoo 2008/11/05
tomo

p2p

dht

security

anonymity

distributedProxy
ãƒªãƒ³ã‚¯
DHTã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ - WebLab.ota
åˆ†æ•£ãƒãƒƒã‚·ãƒ¥ãƒ†ãƒ¼ãƒ–ãƒ« - Wikipedia DHTã¯ã€ãƒ”ãƒ¥ã‚¢P2Pã§ã‚ã£ã¦ã‚‚ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯è² è·ã¯ãã‚Œã»ã©ä¸ŠãŒã‚‰ãšã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ä¸Šã®ã‚³ãƒ³ãƒ†ãƒ³ãƒ„ã‚’æ¼ã‚Œãªãã‹ã¤é«˜é€Ÿã«æŽ¢ç´¢ã™ã‚‹ã“ã¨ã‚’å¯èƒ½ã«ã™ã‚‹ã€‚å¾“æ¥ã®ãƒ”ãƒ¥ã‚¢P2Pã§æŽ¡ç”¨ã•ã‚Œã¦ã„ãŸé€šä¿¡ã§ã¯ã€æ•°10ä¸‡ãƒ”ã‚¢ãã‚‰ã„ãŒé™ç•Œã ã¨ã•ã‚Œã¦ã„ã‚‹ãŒã€DHTã‚’ä½¿ã†ã¨æ•°10å„„ãƒ”ã‚¢ã‚’æŽ¢ç´¢ç¯„å›²ã¨ã™ã‚‹ã“ã¨ãŒå¯èƒ½ã¨ãªã‚‹ã€‚ã—ã‹ã—ã€å®Ÿè£…ãŒã‚€ãšã‹ã—ã„ã“ã¨ãŒæ¬ ç‚¹ã¨ãªã‚‹ã€‚ DHTã®æ¬ ç‚¹ã¯ã€ä¸€èˆ¬çš„ã«å®Œå…¨ä¸€è‡´æŽ¢ç´¢ã—ã‹è¡Œãˆãªã„ã“ã¨ã§ã‚ã‚‹ã€‚ç‰¹ã«æ£è¦è¡¨ç¾ã®ã‚ˆã†ãªè¤‡é›‘ãªæ¤œç´¢ã‚’DHTã®ã¿ã§å®Ÿç¾ã™ã‚‹ã“ã¨ã¯ä¸å¯èƒ½ã§ã‚ã‚‹ã€‚ ä»£è¡¨çš„ãªDHTã®ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã‚’èª¬æ˜Žã—ã¦ã„ã‚‹æ—¥æœ¬èªžæ–‡çŒ®ã‚’æŽ¢ã—ã¦ã¿ãŸï¼Ž Chord ã“ã®ç¯€ã§ã¯ï¼ŒDHT ã®ä»£è¡¨çš„ãªã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ ã§ã‚ã‚‹Chord ã«ã¤ã„ã¦èª¬æ˜Žã™ã‚‹ï¼ŽChordã®ãƒãƒƒã‚·ãƒ¥ç©ºé–“ä¸Šã§ã®è·é›¢ã®å®šç¾©ã¯ï¼Œãƒãƒƒã‚·ãƒ¥å€¤ã®å·®ã®çµ¶å¯¾å€¤ã§ã‚ã‚‹ï¼Žå›³3.5ã®ã‚ˆã†ã«ï¼Œãƒ‡ãƒ¼ã‚¿ä¿æœ‰ãƒŽãƒ¼ãƒ‰ (å›³ä¸ã®é’ç‚¹) ã‚’ï¼Œã
SynBoo 2008/11/04
dht

add-up
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Overlay Weaverã‚’ä½¿ã£ã¦ã¿ã‚‹ 1æ—¥ç›® - WebLab.ota
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SynBoo 2008/09/09
OverlayWeaver

dht
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Overlay Weaver: An Overlay Construction Toolkit
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SynBoo 2008/09/03
p2p

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java

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simulator

sourceforge
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WebLab.ota
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SynBoo 2008/09/01
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SynBoo 2008/01/15
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Tomoâ€™s HotLine
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SynBoo 2007/05/25
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engineer
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