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¿µ¹®Ç¥Áظí Mobility support of WLAN device in wireless mesh networks
Çѱ۳»¿ë¿ä¾à ÂüÁ¶ Ç¥ÁØ ¡®IEEE 802.11s¡¯ ¹× ¡®TTAE.IE-802.11s/R1¡¯¿¡ µû¶ó ±¸¼ºµÈ ¹«¼± ·£ ¸Þ½Ã ³×Æ®¿öÅ©¿¡¼­´Â ¹«¼± ·£ ´Ü¸»ÀÌ ¸Þ½Ã ½ºÅ×À̼ǿ¡ ¿¬°áµÇ°í, ÀÌ ¸Þ½Ã ½ºÅ×À̼ÇÀÌ ÇÁ¶ô½Ã ¸Þ½Ã °ÔÀÌÆ®·Î½á µ¿ÀÛÇÏ¿© ¹«¼± ·£ ´Ü¸»ÀÇ MAC ¼­ºñ½º µ¥ÀÌÅÍ ´ÜÀ§(MSDU, MAC Service Data Unit)¸¦ ¸Þ½Ã ³×Æ®¿öÅ©¸¦ ÅëÇØ Àü´ÞÇÏ°Ô µÈ´Ù. ¸¸¾à ¹«¼± ·£ ´Ü¸»ÀÌ ±âÁ¸¿¡ ¿¬°áµÇ¾î ÀÖ´ø ¸Þ½Ã ½ºÅ×À̼ǿ¡¼­ ´Ù¸¥ ¸Þ½Ã ½ºÅ×À̼ÇÀ¸·Î ¿¬°áÀ» ¿Å±â´Â °æ¿ì ¹«¼± ·£ ´Ü¸»·ÎÀÇ Áö¼ÓÀûÀÎ MSDU Àü¼ÛÀ» À§ÇØ ÇÁ¶ô½Ã ¸Þ½Ã °ÔÀÌÆ®·Î µ¿ÀÛÇÏ´Â ¸Þ½Ã ½ºÅ×À̼ǵéÀº À¯ÁöÇÏ°í ÀÖ´ø ¹«¼± ·£ ´Ü¸»ÀÇ Á¤º¸¸¦ »õ·Î¿î Á¤º¸·Î ½Å¼ÓÈ÷ °»½ÅÇØ¾ß ÇÑ´Ù. µû¶ó¼­ º» Ç¥ÁØ¿¡¼­´Â IEEE 802.11s Ç¥ÁØ¿¡ Á¤ÀÇµÈ ÇÁ¶ô½Ã ÇÁ·ÎÅäÄÝÀ» ±â¹ÝÀ¸·Î ¹«¼± ·£ ´Ü¸»ÀÌ ¹«¼± ·£ ¸Þ½Ã ³×Æ®¿öÅ© ³»ºÎÀÇ ¸Þ½Ã ½ºÅ×ÀÌ¼Çµé °£ÀÇ ¿¬°áÀ» ¿Å±â´Â °æ¿ì ½Å¼ÓÈ÷ Á¤º¸¸¦ °»½ÅÇϱâ À§ÇÑ µ¿ÀÛÀ» Á¤ÀÇÇÑ´Ù.
¿µ¹®³»¿ë¿ä¾à In wireless LAN mesh networks based on the reference standards of IEEE 802.11s and TTAE.IE-802.11s/R1, a Mesh Station provides WLAN stations with the network connectivity and delivering MAC Service Data Unit(MSDU) from/to them through the wireless LAN mesh network as a Proxy Mesh Gate. When a WLAN station changes its network connection from a Mesh Station to another one due to some reasons such as WLAN station¡¯s movement, Mesh Stations should update the information of the WLAN station to deliver MSDUs continuously. Therefore, this standard describes the operations of Mesh Stations to detect the change of WLAN station¡¯s connection and update the information of WLAN station.
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