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ïŒAddress Resolution ProtocolïŒãªã¯ãšã¹ã泚1ã254åéä¿¡ããããšã«ããæ¥ç¶ããŠããæ©åšãææ¡ããããããïŒå®éã«æ§ç¯ãããããã¯ãŒã¯ãèšèšå³ã©ããæ£ãããã©ãã確èªããããã«ã¯ïŒã¹ã€ããã®éå±€æ§é ãå«ãææ¡ããå¿ èŠãããããã®ããïŒåŸæ¥ã®æè¡ã§ã¯èšèšå³ã©ãããããã¯ãŒã¯ãæ§ç¯ãããŠãããæ£ç¢ºã«ç¢ºèªããã«ã¯äžååã§ããïŒèŠæš¡ã倧ãããªãã»ã©äººã®ç®èŠãæäœæ¥ã«ãã確èªäœæ¥ã«ã³ã¹ããèŠããŠããã
ãŸãïŒè¿å¹Žã§ã¯ïŒSTPïŒSpanning Tree ProtocolïŒãªã©ã«ããåé·åãããã¯ãŒã¯ãé©çšãããŠããã·ã¹ãã ãå€ãïŒãã®ãããªãããã¯ãŒã¯æ§æã«ãããŠïŒåé·åæ§ææ å ±ã«ã€ããŠãæ£ããæ§ç¯ãããŠããã確èªããå¿ èŠãããããããçŸç¶ã§ã¯åé·åã©ã€ã³ã§ããããããã³ã°ããŒãã¯å®¹æã«ææ¡ã§ãããïŒããããã³ã°ããŒãã®æ¥ç¶å ã«ã€ããŠã¯èªåææ¡ããæè¡ããªãããïŒäººã®ç®èŠãæäœæ¥ã«ããæ¥ç¶ç¶æ ãææ¡ããå¿ èŠãããïŒç¢ºèªäœæ¥ã«ã³ã¹ããèŠããŠããã
ãããã¯ãŒã¯æ§æææ¡æè¡ã®éçºA new technology for visualizing network topologies
倪ç°ã貎圊 ç¥å®®ãæŠå¿Takahiko Ohta Takeshi Shingu
SNMPïŒMACã¢ãã¬ã¹ããŒãã«ïŒRSTPïŒãããã¯ãŒã¯æ§æïŒãããã¯ãŒã¯åé·å
ã·ã¹ãã æ©åšã®ãã«ããã³ããŒåã«äŒŽã倧èŠæš¡åã»è€éåãé²ããããã¯ãŒã¯ã·ã¹ãã ã«å¯ŸããŠïŒãããã¯ãŒã¯æ§æãèªåææ¡ããæè¡ãéçºãïŒå¯èŠåããã·ã¹ãã ç£èŠã¢ããªã±ãŒã·ã§ã³ãè©Šäœãããæ¬æè¡ã¯SNMP察å¿ã¹ã€ããã³ã°ããïŒä»¥äžïŒã¹ã€ããïŒå ã®æ å ±ã解æããããšã«ããïŒããŒã«ã«ãããã¯ãŒã¯å ã®æ©åšãéå±€æ§é ã§ææ¡ããããšãå®çŸãããæ¬æè¡ã«ããïŒãããã¯ãŒã¯ã·ã¹ãã ã®æ§ç¯æãéçšæã«ãããŠãããã¯ãŒã¯æ§æææ¡ã®ç¢ºèªäœæ¥ã³ã¹ããå€§å¹ ã«åæžããã
In response to the growth in size and complexity of network systems that accompanies the multi-vendorization of system equipment, we have developed a technology for automatically detecting the configuration of networks, and we have experimentally produced a system-monitoring application that visualizes the configuration. By analyzing the information in an SNMP-compatible switching hub, this technology is able to detect the local network devices in their hierarchical structure. This technology significantly reduces the time and cost required to check the configuration of a network when constructing or operating a network system.
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