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heavenshell 2015/05/16
network
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heavenshell 2015/04/02
network
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è¶…çµ¶åˆå¿ƒè€…ã‚€ã‘tcpdumpã®ä½¿ã„æ–¹ - Qiita
Software Design 2014å¹´8æœˆå·ã®å¾Œè—¤å¤§åœ°ã•ã‚“ã®è¨˜äº‹ã‚’èªã‚“ã ãƒ¡ãƒ¢ã‚’æ®‹ã—ã¦ãŠãã¾ã™ã€‚æ™®é€šã«æ›¸ãã¨ã¾ã‚“ã¾ã‚³ãƒ”ãƒ¼ã«ãªã‚‹ã®ã§ã€è‡ªåˆ†ãŒã‚ˆãä½¿ã†ã§ã‚ã‚ã†ã‚³ãƒžãƒ³ãƒ‰ã‚’ä¸»ã«è¼‰ã›ã¦ã„ã¾ã™ã€‚è©³ã—ãã‹ã¤ã¡ã‚ƒã‚“ã¨çŸ¥ã‚ŠãŸã„äººã¯Software Designã‚’èªã¿ã¾ã—ã‚‡ã†w 0.tcpdumpã¨ã¯ tcpdumpã¨ã¯ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯é€šä¿¡ã®ç”Ÿã®ãƒ‡ãƒ¼ã‚¿ã‚’ã‚ãƒ£ãƒ—ãƒãƒ£ã—ã€ãã®çµæžœã‚’å‡ºåŠ›ã—ã¦ãã‚Œã‚‹ã‚ãƒ£ãƒ—ãƒãƒ£ãƒ„ãƒ¼ãƒ«ã§ã™ã€‚ Linuxã ã¨ãƒ‡ã‚£ã‚¹ãƒˆãƒªã®ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ç®¡ç†ã‚½ãƒ•ãƒˆã§ã‚ã‚Šã¨ã•ãã£ã¨å…¥ã‚‹ã¨æ€ã„ã¾ã™ï¼ˆç„¡è²¬ä»»wï¼‰ã€‚å®Ÿéš›ã«ã¯å°Žå…¥ã—ã¦ã„ã¾ã›ã‚“ãŒã€Windowsã§ã‚‚WinDumpã¨ã„ã†tcpdumpãƒ©ã‚¤ã‚¯ãªãƒ„ãƒ¼ãƒ«ãŒã‚ã‚Šã¾ã™ã€‚Mac OS X 10.9.4 ã§ã¯æœ€åˆã‹ã‚‰å…¥ã£ã¦ã„ã‚‹ã‚ˆã†ã§ã™ã€‚ 1.tcpdumpã‚³ãƒžãƒ³ãƒ‰ã®ä½¿ã„æ–¹ 1.1.ã¨ã«ã‹ãå®Ÿè¡Œã—ã¦ã¿ã‚‹ æ¬¡ã®ã‚³ãƒžãƒ³ãƒ‰ã§ã¨ã‚Šã‚ãˆãštcpdumpã‚’å®Ÿè¡Œã§ãã¾ã™ã€‚
heavenshell 2015/01/29
linux

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ä¼šå ´ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®è£è©± ãƒ¼ YAPC::Asia Tokyo 2014 | update.hirochan.org
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heavenshell 2014/09/07
network
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ãƒãƒƒã‚¯ãƒã‚°ã®æŒ‡å®š - æ®ç™ºæ€§ã®ãƒ¡ãƒ¢ï¼’
listenã®ãƒãƒƒã‚¯ãƒã‚°ãŒæŒ‡å®šã§ããªã„ - æ®ç™ºæ€§ã®ãƒ¡ãƒ¢ã®ç¶šã http://www.linux.or.jp/JM/html/LDP_man-pages/man2/listen.2.html int listen(int sockfd, int backlog); backlogã§ãƒãƒƒã‚¯ãƒã‚°ã®æ•°ï¼accept()å¾…ã¡ã®æŽ¥ç¶šã®ã‚ãƒ¥ãƒ¼ã®æ•°ã‚’æŒ‡å®šã§ãã‚‹ã€‚ ã¨ã„ã†ã“ã¨ã«ãªã£ã¦ã„ã‚‹ã‘ã©ã€å®Ÿéš›ã¯ã‚ãƒ¥ãƒ¼ã®æ•°ã‚’ã‚ã¾ã‚Šåˆ¶é™ã§ããªã„ã£ã½ã„ã€‚ ã‚«ãƒ¼ãƒãƒ«å´ã®è¨å®šã‚’ # cat /proc/sys/net/ipv4/tcp_syncookies 0 # cat /proc/sys/net/ipv4/tcp_max_syn_backlog 1ãƒ—ãƒã‚°ãƒ©ãƒ å´ã‚’ result = listen( sd, 1 );ã¨ã—ã¦åˆ¶é™ã‹ã‘ã¦ã„ã¦ã‚‚ã€å®Ÿéš›ã«ã¯ã‚»ãƒƒã‚·ãƒ§ãƒ³ãŒç¢ºç«‹ã—ã¦ã—ã¾ã†ã€‚ tcp 0 0 172.16.1.4:5000 1
heavenshell 2014/08/04
network
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TCPé«˜é€ŸåŒ–ãƒ—ãƒã‚ã‚·ã€ŒAccelTCPã€ã‚’å…¬é–‹ã—ã¾ã—ãŸ : DSASé–‹ç™ºè€…ã®éƒ¨å±‹
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heavenshell 2014/04/26
server

network
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About Nanomsg
nanomsg is a socket library that provides several common communication patterns. It aims to make the networking layer fast, scala ble, and easy to use. Implemented in C, it works on a wide range of operating systems with no further dependencies. This project has largely been superceded by the nng project. Users are encouraged to use nng if they are able. The nng project is wire compatible with this
heavenshell 2013/08/22
"nanomsg library is a high-performance implementation of several "scalability protocols". "

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Googleã®æ–°ãƒ—ãƒãƒˆã‚³ãƒ«QUICã‚’è©¦ã™ - ã¼ã¡ã¼ã¡æ—¥è¨˜
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heavenshell 2013/06/30
google

network
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ã‚¤ãƒžãƒ‰ã‚ãªNetwork/IO
The document discusses techniques for improving network and I/O performance between the network interface card (NIC) and CPU. It describes techno logies like TCP offloading, receive side scaling, and Intel I/O acceleration features that distribute processing load away from the CPU to improve throughput and reduce latency. Optimization goals include more efficiently handling interrupts and direct me
heavenshell 2012/12/24
network
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heavenshell 2012/12/13
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network
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https://jp.techcrunch.com/2012/01/25/20120125nict-quantum-dots/
heavenshell 2012/01/25
network
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heavenshell 2012/01/08
network
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Cytoscape: An Open Source Platform for Complex Network Analysis and Visualization
NRNB and Cytoscape Introduction to the National Resource for Network Biology How to Cite Cytoscape Cytoscape project needs your support! Please cite the original Cytoscape paper when you use Cytoscape. This is critical to sustaining our federal funding. Shannon P, Markiel A, Ozier O, Baliga NS, Wang JT, Ramage D, Amin N, Schwikowski B, Ideker T. Cytoscape: a software environment for integrated mod
heavenshell 2011/04/16
visualization

network
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heavenshell 2010/10/06
c++

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programming
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heavenshell 2010/01/27
network
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heavenshell 2008/12/15
IPv6

network

apache
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heavenshell 2008/07/03
.net

tcpip

network
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