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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹ÀÎÅͳÝÁ¤º¸ÇÐȸ ³í¹®Áö

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Current Result Document : 4 / 4 ÀÌÀü°Ç ÀÌÀü°Ç

ÇѱÛÁ¦¸ñ(Korean Title) Low Latency Handoffs¸¦ À§ÇÑ ¾ÈÀüÇÑ ¼¼¼Ç Å° ±³È¯ ±â¹ý ¼³°è
¿µ¹®Á¦¸ñ(English Title) Design of a Secure Session Key Exchange Method for tow Latency Handoffs
ÀúÀÚ(Author) ±èÇö°ï   ¹ÚÄ¡Ç×   Kim Hyungon   Park Cheehang  
¿ø¹®¼ö·Ïó(Citation) VOL 05 NO. 03 PP. 0025 ~ 0033 (2004. 06)
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(Korean Abstract)
Mobile IP Low Lattency Handoffs(1)´Â Mobile IP µî·Ï ¿äû ÀýÂ÷¸¦ ó¸®Çϴµ¥ ¹ß»ýÇÏ´Â Áö¿¬À» ÃÖ¼ÒÈ­½ÃÄÑ ½Ç½Ã°£ ¼­ºñ½º¸¦ °¡´ÉÇÏ°Ô ÇØÁØ´Ù. ±×·¯³ª ÀÎÁõ, ±ÇÇÑ °ËÁõ, °ú±ÝÀ» Áö¿øÇÏ´Â AAA ±â¹ÝÀÇ Mobile IP ¸Á¿¡¼­´Â ¸Å Áö¿ªµî·ÏÀÌ ÀϾ ¶§¸¶´Ù »õ·Î¿î ¼¼¼Ç ¹× ¼¼¼Ç Å°°¡ ÇÊ¿äÇϸç, À̸¦ À§ÇØ È¨ ¸Á±îÁö µî·Ï ÀýÂ÷°¡ ¼öÇàµÇ¾î¾ß ÇÑ´Ù. ÀÌ·Î ÀÎÇØ, À̵¿ ³ëµå ÀçÀÎÁõ ÀýÂ÷¿Í ¹æ¹® ¸Á¿¡¼­ Ȩ ¸Á±îÁöÀÇ Æ®·£Àè¼ÇÀ¸·Î ÀÎÇÑ Åë½Å Áö¿¬ÀÌ ¹ß»ýÇÑ´Ù. ÀÌ·¯ÇÑ Áö¿¬À» ÁÙÀ̱â À§Çؼ­ º» ³í¹®¿¡¼­´Â Ȩ ¸ÁÀÇ AAA ¼­¹ö¸¦ °ü¿©½ÃÅ°Áö ¾Ê°í, ÀÌÀü¿¡ ÇÒ´çµÈ ¼¼¼Ç Å°¸¦ Àç»ç¿ëÇÏ¿© Low Latency Handoffs¸¦ ¼öÇàÇÏ´Â ±â¹ýÀ» Á¦¾ÈÇÑ´Ù. ÀÌ ±â¹ý¿¡¼­´Â ÀÌÀü ¹æ¹® ¿¡ÀÌÀüÆ®¿Í »õ·Î¿î ¹æ¹® ¿¡ÀÌÀüÆ®°¡ ¼¼¼Ç Å°¸¦ ±³È¯ÇÏ´Â ´Ü°è¿¡¼­ ¹ß»ýÇÏ´Â º¸¾È Ãë¾àÁ¡À» ÇØ°áÇϱâ À§ÇÏ¿© °ÔÀÌÆ®¿þÀÌ ¹æ¹® ¿¡ÀÌÀüÆ®¸¦ ½Å·ÚÇÑ ¼ö ÀÖ´Â Á¦ 3ÀÚ ¿ªÇÒÀ» ¼öÇàÇϵµ·Ï ÇÏ°í À̸¦ ÅëÇØ Å°¸¦ °øÀ¯ÇÑ´Ù. Á¦¾ÈÇÑ ±â¹ý¿¡ ÀÇÇϸé Ȩ ¸Á±îÁöÀÇ Æ®·£Àè¼ÇÀÌ ÇÊ¿ä¾ø°í, ¼¼¼Ç Å°ÀÇ ±â¹Ð¼º°ú ¹«°á¼ºÀÌ º¸ÀåµÇ¹Ç·Î À̵¿ ³ëµå°¡ ºü¸£°í ¾ÈÀüÇÏ°Ô ÇÚµå¿ÀÇÁ¸¦ ¼öÇàÇÒ ¼ö ÀÖ´Ù.
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(English Abstract)
Mobile IP Low Latency Handoffs(l) allow greater support for real-time services on a Mobile IP network by minimizing the period of time when a mobile node is unable to send or receive IP packets due to the delay in the Mobile IP Registration process. However, on Mobile IP network with AAA servers that are capable of performing Authentication, Authorization, and Accounting(AAA) services, every Registration has to be traversed to the home network to achieve new session keys, that are distributed by home AAA server, for a new Mobile IP session. This communication delay is the time taken to re-authentication the mobile node and to traverse between foreign and home network even if the mobile node has been previously authorized to old foreign agent. In order to reduce these extra time overheads, we present a method that performs Low Latency Handoffs without requiring further involvement by home AAA server. The method re-uses the previously assigned session keys. To provide confidentiality and integrity of session keys in the phase of key exchange between agents, it uses a key sharing method by gateway foreign agent that performs a trusted thirty party. The proposed method allows the mobile node to perform Low Latency Handoffs with fast as well as secure operation.
Å°¿öµå(Keyword) Low Latency Handoffs   Mobile IP  
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