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ºí·Î±× ±¸µ¶Çϱâ



»ç¹° Áö´É Åë½Å(Machine to Machine) :+:Á¤º¸±¤Àå...

»ç¹° Áö´É Åë½Å(Machine to Machine)

¸ðµç »ç¹°¿¡ ¼¾¼­Åë½Å ±â´ÉÀ» ºÎ°úÇÏ¿© Áö´ÉÀûÀ¸·Î Á¤º¸¸¦ ¼öÁýÇÏ°í, »óÈ£ Àü´ÞÇÏ´Â ±â¼úÀ» ÀǹÌ
Ç¥ÁØÈ­ ´Üü ¸¶´Ù, M2M , MTC (Machine Type Communication) ,IoT (Internet of Thing) , WoT (Web to Thing) À̶ó°íµµ ºÒ¸°´Ù.¼Õ½±°Ô º¼¼ö ÀÖ´Â ºÎºÐÀº ¹Ù·Î RFID ¹æ½ÄÀÇ ±³ÅëÄ«µå , ÆíÀÇÁ¡¿¡¼­ °¡°ÝÁ¤º¸¸¦ Àд ¹ÙÄÚµå ¿Ü¿¡µµ ÅÃ¹è ¹è¼Û ÃßÀû, ATM ±â±â, ³×ºñ°ÔÀÌ¼Ç µî°ú »ê¾÷ÇöÀå¿¡¼­ °¡·Îµî ¿ø°Ý Á¦¾î, ±³·®/´ï ¾ÈÀü°ü¸®, °øÀå/¼³ºñ °ü¸® µî ´Ù¾çÇÑ ºÐ¾ß¿¡¼­ È°¿ë


M2M ±â¼úÀº Á¤º¸ Åë½Å ±â¼úÀÇ 10³â°£ ¹ßÀü °úÁ¤¿¡¼­ ÀÌ¹Ì ¿ì¸® ½Ç»ýÈ°°úµµ ¹ÐÁ¢ÇÏ°Ô ÀÌ¿ëµÇ°í ÀÖÀ¸¸ç, °ü·Ã ±â¼ú°ú Ç¥ÁØÈ­ ÀÛ¾÷ÀÌ ²ÙÁØÈ÷ ÁøÇàÁß!!!
±¹³» ÀÌÅë3»ç ¿ª½Ã Æ÷È­µÈ Persone to Person ¼öÀ͸ðµ¨À» ±Øº¹Çϱâ À§ÇÏ¿© M2M »ç¾÷¿¡ Àû±ØÀûÀ¸·Î ¸öÀ» ´ã°í ÀÖ°í,M2M ±¹Á¦ Ç¥ÁØ ±â¼ú¿¡ ±â¹ÝÇÑ °³¹ßÇü M2M Ç÷§ÆûÀ» ±¸ÃàÇÏ¿© API¸¦ °ø°³ÇÏ°í ÀÖ´Ù.

»ç¿ë´Üüº° ¿ë¾î Á¤¸®...

1. M2M (ETSI) : Àΰ£ÀÇ Á÷Á¢ÀûÀÎ °³ÀÔÀÌ ²À ÇÊ¿äÇÏÁö ¾ÊÀº µÑ ȤÀº ±× ÀÌ»óÀÇ °´Ã¼ °£¿¡ ÀϾ´Â Åë½Å

2. M2M (IEEE) : °¡ÀÔÀÚ ÀåÄ¡(Subscriber station) ¿Í ±âÁö±¹(Base station)À» °ÅÃÄ ÄÚ¾î-³×Æ®¿öÅ©¿¡ À§Ä¡ÇÏ´Â ¼­¹ö °£ÀÇ Á¤º¸ ±³È¯ ȤÀº °¡ÀÔÀÚ ÀåÄ¡°£ Àΰ£ÀÇ °³ÀÔ¾øÀÌ ¹ß»ýÇÏ´Â Á¤º¸ ±³È¯

3. MTC (3GPP) : Àΰ£ÀÇ °³ÀÔÀÌ ²À ÇÊ¿äÇÏÁö ¾Ê´Â Çϳª ȤÀº ±× ÀÌ»óÀÇ °´Ã¼°¡ °ü¿©ÇÏ´Â µ¥ÀÌÅÍ Åë½ÅÀÇ ÇüÅÂ

4. IoT (ITU-T) : ¸ðµç »ç¹°¿¡ ±îÁö ³×Æ®¿öÅ© ¿¬°áÀ» Á¦°øÇÏ´Â ³×Æ®¿öÅ©ÀÇ ³×Æ®¿öÅ©

5. IoT (CASAGRAS*) : µ¥ÀÌÅÍ ¼öÁý°ú Åë½Å±â´ÉÀ» ÅëÇÏ¿© ¹°¸®Àû °´Ã¼¿Í °¡»óÀÇ °´Ã¼¸¦ ¿¬°áÇØ ÁÖ´Â ±Û·Î¹ú ³×Æ®¿öÅ© ±â¹Ý±¸Á¶

6. MOC (ITU-T) : Àΰ£ÀÇ Á÷Á¢ÀûÀÎ °³ÀÔÀÌ ÃÖ¼ÒÇÑÀ¸·Î ¿ä±¸µÇ°Å³ª, ȤÀº ¿ä±¸µÇÁö ¾ÊÀº µÑ ȤÀº ±× ÀÌ»óÀÇ °´Ã¼ °£ÀÇ Åë½Å

7. USN (ITU-T) : ¼¾¼­°¡ ¼öÁýÇÑ Á¤º¸¸¦ »óȲÀÎ½Ä ±â´É¿¡ ÀÇÇÏ¿© ó¸®ÇÑ ÈÄ ¶§¿Í Àå¼Ò,´ë»óÀ» ºÒ¹®ÇÏ°í Áö½Ä ¼­ºñ½º¸¦ Á¦°øÇÏ´Â ÇöÁ¸ÇÏ´Â ¹°¸®Àû ³×Æ®¿öÅ© »óÀÇ °³³äÀûÀÎ ³×Å©¿öÅ©


ETSI TS 102.689 ±Ô°Ý ¿¡¼­´Â M2M ¼­ºñ½ºÀÇ ÀϹÝÀûÀÎ ¿ä±¸»çÇ×, °ü¸®, M2M ¼­ºñ½º¸¦ À§ÇÑ ±â´É ¿ä±¸»çÇ×, º¸¾È, Naming ¹× Addressing ¿ä±¸»çÇ× µîÀ» Á¤ÀÇ ÇÏ°í ÀÖ´Ù.

M2M ¼­ºñ½ºÀÇ ÀÏ¹Ý ÀûÀÎ ¿ä±¸»çÇ×

- M2M Application communication principles

- Message Delivery for sleeping devices

- Delivery modes/Message transmission scheduling

- Message communication path selection

- Communication with device behind a M2M gateway

- Communication failure notification/Scalability (È®À强)

- Abstraction of technologies heterogeneity(ÀÌÁú¼º)

- M2M Service Capabilities discovery and registration

- M2M Trusted Application/Mobility

- Communication integrity (¿ÏÀüÇÔ, Áø½Ç¼º)

- Device/Gateway integrity check/Continuous connectivity

- Confirm/Logging/Anonymity(ÀÍ¸í¼º)/Time Stamp

- Device/Gateway failure robustness(°ß°íÇÔ)

- Radio transmission activity indication and control

- Operator telco capabilities exposure(³ëÃâ,Æø·Î)

- Location reporting support/Support of multiple M2M Applications


3GPP MTC Ç¥ÁØÈ­ ÇöȲ

ETSI ¿Í 3GPP ¿¡¼­ÀÇ M2M Ç¥ÁØÈ­ ºÐ¾ß°¡ ´Ù¼Ò »óÀÌ ÇÏ´Ù.
ETSI ´Â µ¥ÀÌÅÍÀÇ Ã³¸® ¹× °ü¸® µîÀ» Áß½ÉÀ¸·Î , 3PGG, IEEE, IETF ´Â µ¥ÀÌÅÍÀÇ Àü´ÞÀ» Áß½ÉÀ¸·Î Ç¥ÁØÈ­¸¦ ÁøÇàÇÏ°í ÀÖ´Ù.


MTC Ç¥ÁØÈ­¸¦ À§Çؼ­ SA(Service & Architecture) , CT(Core Network & Terminal), RAN(Radio Access Network), GERAN(GSM EDGE RAN) µîÀÇ ¿©·¯ TSG(Technical Specification Group) ³»¿¡ ¿©·¯ WG(Working Group)µéÀÌ Âü¿© ÇÏ°í ÀÖ´Ù.


A. Rel-10 NIMTC (Network Improvement for MTC)
3GPP TS22.368 (Service Requirement for MTC) ±Ô°Ý¿¡¼­´Â MTC ¸¦ À§ÇÑ ¿ä±¸»çÇ×À» Á¤ÀÇ ÇÏ°í ÀÖ´Ù.

1. Common Service Requirement

- MTC device triggering : MTC Server ¿ÍÀÇ Åë½Å ½ÃÀÛÀ» À§ÇÑ MTC device ÀÇ Æ®¸®°Å¸µ
- Addressing : Public address µµ¸ÞÀÎÀÇ MTC server¿Í Private address µµ¸ÞÀÎÀÇ MTC device °£ Åë½ÅÀ» À§ÇÑ MTC device ÀÇ ÁÖ¼Ò È¹µæ
- Identifier : ME¿Í MTC subxxxxxxion ½Äº°
- Charging requirement : MTC device ¶Ç´Â MTC device ÀÇ ±×·ì ´ÜÀ§ÀÇ °ú±Ý
- Security requirement : MTC communications À» À§ÇÑ º¸¾È
- Remote MTC device management : ¿ø°Ý¿¡ ¼³Ä¡µÈ MTC DeviceÀÇ °ü¸® ( e.g. OMA DM)

2. Specific Service Requirement

- Low mobility : °íÁ¤µÇ°Å³ª, À̵¿ÇÏ´Â ºóµµ¼ö°¡ ³·°Å³ª, ÇÑÁ¤µÈ Áö¿ª¸¸À» À̵¿ÇÏ´Â MTC device °í·Á
- Time controlled : Á¤ÇØÁø ½Ã°£ µ¿¾È¿¡¸¸ data¸¦ ¼Û/¼ö½ÅÇÏ´Â MTC applicationÀ» °í·Á
- MTC monitoring : MTC Device¿Í °ü·ÃµÈ eventµéÀÇ ¸ð´ÏÅ͸µ
- Time tolerant : DataÀÇ ½Ç½Ã°£ Àü¼ÛÀÌ ¾Æ´Ñ, Áö¿¬ Àü¼ÛÀÌ °¡´ÉÇÑ MTC Device °í·Á
- Packet Switched (PS) only : Packet switched service ¸¸À» »ç¿ëÇÏ´Â MTC device °í·Á
- Small data transmission : ÀûÀº ¾çÀÇ data¸¸À» Àü¼ÛÇÏ´Â MTC Device °í·Á
- Mobile originated only : ¹ß½Å Àü¿ë MTC device °í·Á
- Infrequent mobile terminated : ¼ö½ÅÀÌ º°·Î ¾øÀÌ ÁÖ·Î ¹ß½ÅÀ» À§ÇÑ MTC device °í·Á
- Priority alarm message : ºñ»ó »óȲ¿¡¼­ ±ä±Þ ¾Ë¶÷ ¸Þ½ÃÁö¸¦ Àü¼ÛÇÏ´Â MTC Device °í·Á
- Secure connection : MTC Device ¿Í MTC Server °£¿¡ º¸¾ÈµÈ ¿¬°á ¼³Á¤À» ¿ä±¸ÇÏ´Â MTC Device °í·Á
- Location specific trigger : MTC application ÀÌ device ÀÇ À§Ä¡¸¦ ÆľÇÇÏ¿© ƯÁ¤Áö¿ª¿¡ À§Ä¡ÇÑ MTC device ¸¦ Æ®¸®°Å¸µ
- Network provided destination for Uplink data : MTC Device·ÎºÎÅÍ Àü¼ÛµÇ´Â ¸ðµç data°¡ networkÀÌ Á¦°øÇϴ ƯÁ¤ ÁÖ¼Ò·Î Àü´ÞµÇ´Â ÇüÅÂÀÇ MTC Application °í·Á
- Infrequent transmission (ÀæÁö¾ÊÀº Àü¼Û) : Data ¼Û/¼ö½ÅÀÌ °ÇÀÇ ¾ø´Â MTC Device °í·Á
- Group based MTC feature : ±×·ìÀ» Çü¼ºÇÑ MTC device °í·Á


B. Rel-11 SIMTC (System Improvement for MTC)

¿©±â¼­´Â Åë½Å»ç¾÷ÀÚµéÀÇ ¿ä±¸»çÇ×À» ¼ö¿ëÇÏ¿© MTC Application Server °¡ ¸ÕÀú MTC Device ÀÀ¿ëÀÇ ½ÃÀÛ ¹× Á¤º¸ ¼öÁý µîÀ» ¿ä±¸ÇÒ ¼ö ÀÖµµ·Ï »õ·Î¿î ³×Å©¿öÅ© ±¸Á¶¸¦ Á¦½ÃÇÑ´Ù.

MTC °ü·Ã ¸Á ¿ä¼ÒµéÀÇ ÁÖ¿ä ±â´ÉÀº ´ÙÀ½°ú °°´Ù.

- MTC Device : MTC ±â´ÉÀ» °¡Áø À̵¿ ´Ü¸»¿¡ ÇØ´çµÇ¸ç, Um,Un µî°ú °°Àº ±âÁ¸ÀÇ ¼¿·ê¶ó ÀÎÅÍÆäÀ̽º¸¦ ÅëÇØ ³×Å©¿öÅ©¿¡ Á¢¼Ó
- MTC Service Capability Server : À̵¿Åë½Å ³×Æ®¿öÅ© ÀÚü¿Í Åë½ÅÀ» Çϰųª À̵¿Åë½Å ³×Æ®¿öÅ©¸¦ ÅëÇØ MTC device ¿Í Åë½ÅÀ» ÇÏ´Â ¼­¹ö·Î, MTC application server ·ÎÀÇ Á¢±ÙÀ» À§ÇÑ ÀÎÅÍÆäÀ̽º¸¦ Á¦°øÇϸç, MTC ¼­ºñ½º Ç÷§Æû¿¡ ÇØ´çÇÑ´Ù.
- MTC Application Server : MTC device¿ÍÀÇ ¿¬°è¸¦ ÅëÇØ ÀÀ¿ëÀ» ¼öÇàÇÏ´Â ¼­¹ö
- MTC-IWF : ¿ÜºÎ ³×Æ®¿öÅ©¿¡ À§Ä¡ÇÏ´Â MTC service capability server¿Í À̵¿Åë½Å ³×Æ®¿öÅ© ³ëµåµé »çÀÌ¿¡ trigger ¿äûÀ» Áß°èÇÏ´Â ¿ªÈ° ´ã´çÇÏ´Â ½Å±Ô ¸Á ¿ä¼Ò

ÀÌµé ¸Á ¿ä¼ÒÁß 3GPP¿¡¼­ »õ·Ó°Ô Á¤ÀÇÇÑ MTC-IWF ¿¡¼­ ó¸®ÇÏ¿©¾ß ÇÒ ÁÖ¿ä ±â´Éµé·Î´Â "Online Device Triggering" °ú "Address and Identifier" °¡ ÀÖ´Ù.

*Online Device Triggering

MTC Device °¡ ¾Æ´Ñ MTC Application Server °¡ ¸ÕÀú Trigger ¸¦ ¿äûÇÏ´Â ¹æ½ÄÀº (1)MTC Service Capability server¸¦ °ÅÃļ­ ¿äûÇÏ´Â ¹æ½Ä°ú (2) MTC Service Capability Server ¸¦ °ÅÄ¡Áö ¾Ê°í À̵¿Åë½Å¸Á¿¡ Á÷Á¢ ¿äûÇÏ´Â ¹æ½ÄÀ» Á¤ÀÇÇÏ°í ÀÖ´Ù.
MTC Service Capability Server ¸¦ °ÅÃļ­ ¿äûÇÏ´Â ¹æ½ÄÀÇ °æ¿ì¿¡ MTC Service Capability server´Â MTC-IWF ¿Í Á߰踦 ¿äûÇÏ´Â ¹æ½Ä(TSP ÀÎÅÍÆäÀ̽º), »ç¿ëÀÚ µ¥ÀÌÅ͸¦ Á÷Á¢ GGSN/P-GW ·Î Àü´ÞÇÏ´Â ¹æ½Ä, ±×¸®°í SMS ÇüÅ·ΠÀü´ÞÇÏ´Â ¹æ½Ä(Tsms ÀÎÅÍÆäÀ̽º)¸¦ Á¤ÀÇÇÏ°í ÀÖ´Ù.
MTC Service Capability Server ÀÇ Trigger ¿äûÀ» ¹ÞÀº MTC-IWF µµ SMS ÇüÅ·Πº¯È¯ÇÏ¿© ó¸®ÇÏ´Â ¹æ½Ä(T4 ÀÎÅÍÆäÀ̽º),MSC,SGSN,MME µî°ú °°Àº À̵¿Åë½Å ³×Æ®¿öÅ© ³ëµå·Î Àü´ÞÇÏ´Â ¹æ½Ä(T5 a/b/c ÀÎÅÍÆäÀ̽º)À» Á¤ÀÇÇÏ°í ÀÖ´Ù.

*Address and Identifier

MTC-IWF°¡ »õ·Ó°Ô Á¤ÀǵǸ鼭 MTC-IWF¸¦ Áß½ÉÀ¸·Î 3GPP ³×Æ®¿öÅ© ³»ºÎ¿Í ¿ÜºÎ¿¡¼­ MTC Device¸¦ ½Äº°Çϱâ À§ÇÑ IDÀÇ ±¸ºÐÀÌ ÇÊ¿äÇÏ°Ô µÇ¾ú´Ù. MTC-IWF ÀÌÈÄ ¿ÜºÎ ³×Æ®¿öÅ©¿¡¼­ MTC deviceÀÇ ½Äº°À» À§ÇØ »ç¿ëÇÏ´Â ID¸¦ 'external ID'¶ó Çϸç FQDN À̳ª MSISDN µîÀÌ ÀÌ¿¡ ÇØ´ç ÇÒ ¼ö ÀÖ°í, °¢ MTC device¿¡ ´Ù¼öÀÇ external ID °¡ ÇÒ´çµÉ ¼ö ÀÖ´Ù.
À̵¿ Åë½Å ³×Æ®¿öÅ© ³»ºÎ¿¡¼­ ½Äº°À» À§ÇØ »ç¿ëµÇ´Â ID¸¦ 'internal ID' ¶ó Çϸç IMSI °¡ ÀÌ¿¡ ÇØ´çÇÏ°í, °¢ Device¿¡´Â ÇϳªÀÇ internal ID¸¸ÀÌ ÇÒ´çµÈ´Ù.
External ID ¿Í Internal ID ¿ÍÀÇ mapping Àº HSS¿¡¼­ ¼öÇàµÈ´Ù.
MTC device¸¦ À§ÇÑ addressing Àº ´Ù¼öÀÇ MTC device »ç¿ë¿¡ µû¸¥ ÁÖ¼Ò °ø°£ÀÇ ºÎÁ· µîÀ» °í·ÁÇÏ¿© IPv6 ¸¦ ±âº» ÁÖ¼Ò Ã¼°è·Î »ç¿ëÇÑ´Ù.

°á·Ð

3GPP Ç¥ÁØÈ­ÀÇ ±Ã±ØÀûÀÎ ¸ñÇ¥´Â MTC¸¦ À§ÇØ Á¤ÀÇµÈ ¿ä±¸»çÇ×À» ¸¸Á·Çϸ鼭 , ÀÏ¹Ý ÈÞ´ëÆù »ç¿ëÀÚ¿¡°Ô ¹ÌÄ¡´Â ¿µÇâÀ» ÃÖ¼ÒÈ­ ÇÏ´Â ¹üÀ§ ³»¿¡¼­ ±âÁ¸ÀÇ À̵¿Åë½Å³×Å©¿öÅ©¸¦ °³¼±ÇÏ°í Çâ»ó½ÃÄÑ MTC ¸¦ À§ÇØ ÃÖÀûÈ­µÈ ³×Æ®¿öÅ©¸¦ ±¸ÃàÇÏ´Â °ÍÀÌ´Ù.
ÀÌ·¯ÇÑ ¸ñÇ¥¸¦ À§ÇØ, Rel-10 NIMTC¿¡¼­´Â ³×Æ®¿öÅ©ÀÇ °úºÎÇÏ Á¦¾î¶ó´Â ¼±°á ¹®Á¦ ÇØ°á¿¡ ÁßÁ¡À» µÎ¾ú°í, Tel-11 SIMTC´Â device triggeringµî°ú °°ÀÌ »ç¾÷ÀÚÀÇ ¿ä±¸¸¦ ±â¹ÝÀ¸·Î ´Ù¾çÇÑ ÀÀ¿ëÀ» ¼ö¿ëÇÒ ¼ö ÀÖ´Â Åë½Å ¸ðµ¨À» °í·ÁÇÏ¿© »õ·Î¿î ³×Æ®¿öÅ© ±¸Á¶ ¸ðµ¨ µîÀ» Á¦½ÃÇÏ¿´´Ù.
ÇÑ °ÉÀ½ ³ª¾Æ°¡ Rel-12¿¡¼­´Â ´Ù¾çÇÑ sensor ¹× RFIDµµ ¼ö¿ëÇÒ ¼ö ÀÖ´Â gateway ÇüÅÂÀÇ MTC Deviceµµ °í·ÁµÇ¾î , ´ÜÀÏ ¹× ´ÙÁß ÀÀ¿ëÀ» ¼öÇàÇÏ´Â MTC deviceµµ Ç¥ÁØÈ­ÀÇ ´ë»óÀ¸·Î °í·ÁµÉ ¿¹Á¤ÀÌ´Ù.
¶ÇÇÑ À¯·´ÀÇ ETSI¿¡¼­ ÁøÇàµÇ´Â TC ¤ÑM2M ±×·ìÀÇ Ç¥ÁØÈ­¿Í ¿¬°èµµ ÁغñÇÏ°í ÀÖ´Ù.
³¡À¸·Î ÀÛ³â 7¿ù¿¡ M2M ±¹Á¦ Ç¥ÁØÈ­ Çù·ÂüÀÎ oneM2MÀÌ Ãâ¹üÇÏ¿´´Ù. oneM2M¿¡´Â ±¹³» Ç¥ÁØÈ­ ±â°üÀÎ TTA ¿Ü¿¡µµ ¹Ì±¹(TIA, ATIS), À¯·´(ETSI), Áß±¹(CCSA), ÀϺ»(TTC, ARIB) µî ÁÖ¿ä Ç¥ÁØ°³¹ß±â°üµéÀÌ Âü¿©ÇÏ¿´À¸¸ç, Àü ¼¼°è ÁÖ¿ä À̵¿Åë½Å»ç¿Í ¼Ö·ç¼Ç Á¦Á¶»çµéµµ °¢±¹ÀÇ Ç¥ÁØ°³¹ß±â±¸¸¦ ÅëÇؼ­ ´ë°Å Âü¿©ÇϹǷνá M2M ºÐ¾ß¿¡¼­´Â °¡Àå °­·ÂÇÑ ±¹Á¦Ç¥ÁØÈ­ ´Üü·Î ¿ªÇÒÀ» ÇÒ °ÍÀ¸·Î ¿¹»óµÈ´Ù.

(Ãß°¡ÀûÀÎ ¿ë¾î ¼³¸í)

* GateWay : º¹¼öÀÇ ÄÄÇ»ÅÍ¿Í ±Ù°Å¸® Åë½Å¸Á(LAN : local area network)µîÀ» »óÈ£ Á¢¼ÓÇÒ ¶§ ÄÄÇ»ÅÍ¿Í °øÁß Åë½Å¸Á, LAN °ú °øÁß Åë½Å¸Á µîÀ» Á¢¼ÓÇÏ´Â ÀåÄ¡¸¦ °¡¸®Å²´Ù.
½ÇÁ¦·Î´Â ¹Ì´ÏÄÄÇ»ÅÍ µîÀÌ »ç¿ëµÇ°í ÀÖÀ¸¸ç, °ÔÀÌÆ®¿þÀÌ ÇÁ·Î¼¼¼­ ¶ó°íµµ ºÒ¸°´Ù. ÀϹÝÀûÀ¸·Î ÄÄÇ»ÅÍ¿Í ´Ü¸»±â¸¦ °øÁß Åë½Å¸ÁÀ» °æÀ¯ÇÏ¿© Á¢¼ÓÇÒ °æ¿ì¿¡´Â °ÔÀÌÆ®¿þÀ̷μ­´Â ´ë±Ô¸ð ÀåÄ¡¸¦ ÇÊ¿ä·Î ÇÏÁö ¾Ê´Â´Ù.
±×·¯³ª ³×Æ®¿öÅ© °£ Åë½ÅÀ» ÇàÇÒ ¶§¿¡´Â Åë½Å¼ÓµµÀÇ Á¦¾î, Æ®·¹ÇÈ Á¦¾î, ³×Æ®¿öÅ© »çÀÌ¿¡¼­ÀÇ ÄÄÇ»ÅÍ ¾îµå·¹½ºÀÇ º¯È¯µî º¹ÀâÇÑ Ã³¸®¸¦ ÇàÇϱ⠶§¹®¿¡ °ÔÀÌÆ®¿þÀÌ ÇÁ·Î¼¼½º·Î¼­´Â ÀûÁö ¾Ê°Ô ¹Ì´ÏÄÄÇ»ÅÍ Á¤µµÀÇ ´É·ÂÀ» °®´Â ÀåÄ¡°¡ ÇÊ¿äÇÏ°Ô µÈ´Ù.
¿äÁò ¿ø·¡ÀÇ Á¤ÀÇ ´ë½Å¿¡ Router ¶ó´Â ¿ë¾î°¡ ´ë½Å »ç¿ëµÈ´Ù. °ÔÀÌÆ®¿þÀÌ´Â ÀÚü ÇÁ·Î¼¼¼­¿Í ¸Þ¸ð¸®¸¦ °¡Áö°í ÀÖÀ¸¸ç, ÇÁ·ÎÅäÄÝ º¯È¯À̳ª ´ë¿ªÆø º¯È¯À» Çϱ⵵ ÇÑ´Ù.ÀϹÝÀûÀ¸·Î °ÔÀÌÆ®¿þÀÌ´Â ±Ù°Å¸® Åë½Å¸Á ÇÁ·ÎÅäÄÝÀÌ Çϳª ÀÌ»ó ¼³Ä¡µÇ¾î ÀÖ´Â Å« ±Ô¸ðÀÇ ³×Æ®¿öÅ©¿¡¼­ º¼¼ö ÀÖ´Ù.

* Trigger : ÇÁ·Î±×·¥À» ÀÚµ¿À¸·Î ÀÛµ¿ °³½Ã½ÃÅ°´Â °ÍÀ» ¸»ÇÑ´Ù. ÄÄÇ»ÅÍ ÇÁ·Î±×·¥»ó¿¡¼­ ´ëºÎºÐ »ç¿ëµÇ´Â ¿ë¾î·Î ¸Þ¸ð¸® ³»¿¡ ÀûÀçÇÑ ÇÁ·Î±×·¥À» ¼öµ¿ µ¿ÀÛ°°Àº ¿ÜºÎ ȯ°æÀ¸·ÎºÎÅÍÀÇ °³ÀÔ¿¡ ÀÇÇØ ÀÚµ¿À¸·Î ½ÇÇà(RUN)½ÃÅ°´Â °ÍÀ» ¸»ÇÑ´Ù.



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