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Current Result Document :
1
/ 12
´ÙÀ½°Ç
ÇѱÛÁ¦¸ñ(Korean Title)
Áß°£ ¿¡ÀÌÀüÆ®¸¦ ÀÌ¿ëÇÑ Mobile IP ¸Á¿¡¼ÀÇ È¿À²ÀûÀÎ °æ·Î ÃÖÀûÈ ¾Ë°í¸®Áò
¿µ¹®Á¦¸ñ(English Title)
An Efficient Route Optimization Algorithm using Intermediate Agents in Mobile IP Networks
ÀúÀÚ(Author)
¹ÚÀº¿µ
ÀÌÀçÈÆ
ÃÖº´±¸
¿ø¹®¼ö·Ïó(Citation)
VOL 30 NO. 06 PP. 0677 ~ 0684 (2003. 12)
Çѱ۳»¿ë
(Korean Abstract)
IETFÀÇ Mobile IP ÇÁ·ÎÅäÄÝÀº ÀÎÅͳݿ¡¼ ¿¬°áÁöÁ¡À» º¯°æÇÏ´Â À̵¿ È£½ºÆ®(Mobile Node: MN)°¡ IP ÁÖ¼ÒÀÇ º¯È ¾øÀÌ ÀÓÀÇÀÇ È£½ºÆ®(Correspondent Node: CN)¿Í °è¼Ó Åë½ÅÀ» À¯ÁöÇÒ ¼ö ÀÖµµ·Ï ÇÏ´Â ±â¼úÀÌ´Ù. ±âÁ¸ÀÇ Mobile IP ÇÁ·ÎÅäÄÝÀº »ï°¢ ¶ó¿ìÆÃ(Triangle Routing)ÀÇ ¹®Á¦Á¡À» °¡Áö°í ÀÖÀ¸¸ç, ¹®Á¦Á¡À» ÇØ°áÇϱâ À§ÇØ IETF¿¡¼´Â °æ·Î ÃÖÀûÈ ¸ÞÄ¿´ÏÁòÀÌ Á¦¾ÈµÇ¾ú´Ù. °æ·Î ÃÖÀûÈ ¸ÞÄ¿´ÏÁòÀÌ µ¿ÀÛÇϱâ À§Çؼ´Â CN¿¡ °æ·Î ÃÖÀûÈ ¸ÞÄ¿´ÏÁòÀÌ ±¸ÇöµÇ¾î ÀÖ¾î¾ß ÇÑ´Ù. ±×·¯³ª ÀÎÅͳݻóÀÇ ÀÓÀÇÀÇ ¸ðµç È£½ºÆ®µéÀÌ ÀÌ·¯ÇÑ Mobile IP ÇÁ·ÎÅäÄÝÀ» ´Ü±â°£¿¡ ±¸ÇöÇÒ ¼ö ¾ø±â ¶§¹®¿¡ °æ·Î ÃÖÀûȸ¦ À§ÇÑ ´Ù¸¥ ¹æ¾ÈÀÌ Á¦½ÃµÇ¾î¾ß ÇÑ´Ù. º» ³í¹®¿¡¼´Â CN¿¡ Ãß°¡ ±â´ÉÀÇ ±¸Çö ¾øÀÌ °æ·Î ÃÖÀûȸ¦ Á¦°øÇÏ´Â ¾Ë°í¸®ÁòÀ» Á¦¾ÈÇÑ´Ù. Á¦¾ÈµÈ ¾Ë°í¸®ÁòÀº Ȩ ¿¡ÀÌÀüÆ®(Home Agent: HA)¿Í CN »çÀÌÀÇ °æ·Î»ó¿¡ Á¸ÀçÇÏ´Â ¶ó¿ìÅ͵éÀ» IA(Intermediate Agent)·Î »ç¿ëÇÏ¿©, MN¿¡°Ô Àü¼ÛµÇ´Â ÆÐŶµéÀÌ HA¸¦ °ÅÄ¡Áö ¾Ê°í IA¿¡ ÀÇÇؼ Á÷Á¢ MNÀ¸·Î Àü¼ÛµÇµµ·Ï ÇÔÀ¸·Î½á °æ·Î ÃÖÀûȸ¦ ±¸ÇöÇÑ´Ù.
¿µ¹®³»¿ë
(English Abstract)
IETF''s Mobile IP protocol allows Mobile Node(MN) to keep connection to Correspondent Node(CN) no matter what the MN changes its point of attachment to the Internet. However, the protocol incurs triangle routing problem, because all packets for the MN are routed through its Home Agent(HA). Route optimization mechanism is proposed by IETF in order to resolve triangle routing problem, but it requires that any node in the Internet should also implement route optimization mechanism. In this paper, we propose a new route optimization algorithm. With the algorithm, routers between HA and CN are considered as Intermediate Agent(IA), and packets transmitted by CN are not forwarded to HA but intercepted by IA and tunneled to MN directly.
Å°¿öµå(Keyword)
Mobile IP
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