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1999/06/04 (14:46) from 203.226.214.101' of 203.226.214.101' | Article Number : 506 |
±è¿íÀç (BOANGWAN@hitel.net) | Access : 2353 , Lines : 36 |
OSI 7 °èÃþ¿¡ ´ëÇÏ¿© |
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OSI 7°èÃþÀ̶õ °¢°¢ÀÇ È¸»ç¿¡¼ Á¦ÀÛµÈ Åë½Å½Ã½ºÅÛÀÇ ÇÁ·ÎÅäÄÝ,»óÈ£Á¢¼Ó ±Ô°ÝÀÌ ¸ÂÁö ¾ÊÀ» °æ¿ì µ¥ÀÌŸ Àü¼Û¿¡ ¹®Á¦°¡ »ý±â¹Ç·Î ÀÌ·± ¹®Á¦Á¡À» ¾ø¿¡±â À§ÇØ ISO (International Standard Organization)¿¡¼ °³¹æÇü ½Ã½ºÅÛ(Open System Interconnection)¿¡ ´ëÇÑ °øÅë±â¹ÝÀ» Á¦¾ÈÇÑ °ÍÀÌ OSI 7 LayerÀÌÁÒ~ System »óÈ£Á¢¼Ó°ú ±Ô°Ý°³¹ßÀ» À§ÇÑ °øÅë±â¹Ý Á¦°ø°ú ±âÁ¸ ±Ô°ÝÀ» ÂüÁ¶¸ðµ¨³»¿¡ Á¸ÀçÇÒ ¼ö ÀÖµµ·Ï ÇÏ´Â °ÍÀÌ ¸ñÀûÀÌÁÒ~ °¢°¢ÀÇ °èÃþ¿¡ ´ëÇؼ °£·«È÷ ¼³¸íÇϸé 1. Á¦1°èÃþ-¹°¸®°èÃþ(physical layer)Àº ¹°¸®Á¢¼ÓÀ» È°¼ºÈ,À¯Áö,ºñÈ°¼ºÈÇÏ´Â ±â°èÀû, Àü±âÀû, ±â´ÉÀû, ÀýÂ÷ÀûÀÎ ¼ö´ÜÀ» Á¦°øÇÏ´Â °Í 2. Á¦2°èÃþ-µ¥ÀÌŸ¸µÅ©°èÃþ(data link layer)Àº µ¥ÀÌŸ¸µÅ©¸¦ È°¸³,À¯Áö ÇØÁ¦ÇÏ°í µ¥ÀÌÅ͸¦ Àü¼ÛÇϱâ À§ÇÑ ±â´ÉÀû,ÀýÂ÷Àû ¼ö´ÜÀ» Á¦°øÇϸç, ¹°¸®Ãþ ³»¿¡¼ ¹ß»ýÇÏ´Â ¿À·ù¸¦ °ËÃâ/Á¤Á¤ÇÏ´Â °Í 3. Á¦3°èÃþ-³×Æ®¿öÅ© °èÃþ(network layer)Àº ¼·Î Åë½ÅÇÏ´Â ÀÀ¿ë¿£Æ¼Æ¼°¡ Á¸ÀçÇÏ´Â °³¹æ½Ã½ºÅÛ°£ÀÇ Á¢¼Ó,È®¸³,À¯Áö,ÇØÁ¦¸¦ Çϱâ À§ÇÑ ¼ö´Ü°ú Æ®·£½ºÆ÷Æ® °èÃþÀÌ °æ·Î¼±Åðú Áß°è¿¡ ´ëÇÏ¿© ÀǽÄÇÏÁö ¾Êµµ·Ï ÇÏ´Â °Í 4. Á¦4°èÃþ-Æ®·£½ºÆ÷Æ®°èÃþ(transport layer) Æ®·£½ºÆ÷Æ®°èÃþÀº ¼¼¼Ç°èÃþ¿¡ Åõ¸íÀûÀÎ µ¥ÀÌÅÍ Àü¼Û±â´ÉÀ» Á¦°øÇÏ°í ¼¼¼Ç°ÔÃþÀÌ ½Å·Ú¼º ¹× È¿°úºñ¿ëºñ°¡ ³ôÀº µ¥ÀÌÅÍ Àü¼ÛÀ» Çϱâ À§ÇÑ ÀÚ¼¼ÇÑ ¼ö´ÜÀ» ÀǽÄÇÏÁö ¾Êµµ·Ï ÇÏ¿© ÁÖ´Â °Í 5. Á¦5°èÃþ-¼¼¼Ç°èÃþ(session layer)Àº ´ëȸ¦ ±¸¼ºÇÏ°í µ¿±â¸¦ ÃëÇÏ¸ç µ¥ÀÌÅͱ³È¯À» °ü¸®Çϱâ À§ÇÑ ¼ö´ÜÀ» Á¦°øÇÏ´Â °Í 6. Á¦6°èÃþ-ÇÁ¸®Á¨Å×À̼ǰèÃþ(presentation layer)Àº ÀÀ¿ë¿£Æ¼Æ¼µéÀÌ Åë½Å½Ã ÂüÁ¶ÇÏ´Â Á¤º¸Ç¥Çö±â´ÉÀ» Á¦°øÇÏ´Â °Í 7. Á¦ 7°èÃþ-ÀÀ¿ë°èÃþ(application layer)Àº ÀÀ¿ëÇÁ·Î¼¼¼°¡ OSIE¿¡ ¾×¼¼½ºÇϱâ À§ÇÑ ¼ö´ÜÀ» Á¦°øÇÏ´Â °ÍÀÔ´Ï´Ù. Á»´õ ÀÚ¼¼È÷ ¼³¸íÇÏÀÚ¸é ÇÏ·çÁ¾ÀÏ ÇØ¾ß µÇ´Ï±î À̸¸ ÇÕ´Ï´Ù. PS: »ç½ÇÀº Àúµµ ÇÏ·çÁ¾ÀÏ ¼³¸íÇÒ ¼ö ÀÖ´Â ´É·ÂÀÌ ¾ø¾î¿ä~~~ |
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