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FMC ÀÇ ±âº»¼³¸íÀº ÀÌÀü±ÛÀÎ Software Architecture Design with FMC - part 1À» ÂüÁ¶ÇϽñ⠹ٶø´Ï´Ù.

Compositional Structures - Block Diagram

ºí·Ï ´ÙÀ̾î±×·¥Àº ±âº»ÀûÀ¸·Î ½Ã½ºÅÛ ±¸Á¶¸¦ ±×¸®´Âµ¥ »ç¿ëÇØ¿Ô´ø Çü½ÄÀÔ´Ï´Ù. FMC ¿¡¼­´Â Á¤ÀûÀÎ(Static) ½Ã½ºÅÛÀÇ ±¸Á¶¸¦
Ç¥ÇöÇϴµ¥ Block Diagram À» »ç¿ëÇÕ´Ï´Ù. Architectural View ·Î º»´Ù¸é Component & Connector ÇüŶó°í º¼¼ö ÀÖ½À´Ï´Ù.
(from Documenting Software Architecture : Views & Beyond )

¾Æ·¡´Â Block Diagram À¸·Î ³ªÅ¸³½ HTTP Server ÀÇ Architecture ÀÔ´Ï´Ù.
HTTP Server Block Diagram with FMC

Ç¥ÇöÀÚü°¡ ½¬¿ì´Ï ±×³É º¸¼Åµµ ´ëÃæ ÀÌÇØ´Â µÉ¼ö ÀÖ°ÚÁö¸¸, Á¶±Ý ÀÌ»óÇÑ Ç¥ÇöµéÀÌ º¸À̴±º¿ä.
±×·³ ¿Ïº®ÇÑ ÀÌÇØ¸¦ À§ÇØ °¢ Element ¿Í ±¸Á¶ÀÇ Ç¥Çö¹æ¹ý µéÀ» ¾Ë¾Æº¸µµ·Ï ÇϰڽÀ´Ï´Ù.

Active Component Active System Component¸¦ ³ªÅ¸³À´Ï´Ù. ¿ÞÆíÀº ±×³É ½Ã½ºÅÛ ÄÄÆ÷³ÍÆ® , »ç¶÷Ç¥½Ã°¡ ÀÖ´Â°Ç Human Agent ÀÔ´Ï´Ù.
Passive Component Passive System Component¸¦ ³ªÅ¸³À´Ï´Ù. ¿ÞÆíÀº ÀúÀå¼Ò(Storage)¸¦ ÀǹÌÇÕ´Ï´Ù. (Memory,Database,..) Storage ´Â Agent ¿¡ ÀÇÇØ µ¥ÀÌŸ¸¦ ÀúÀåÇϱâ À§ÇØ »ç¿ëµË´Ï´Ù. Ãß»óÈ­µÈ ÀúÀ念¿ª Àϼöµµ ÀÖ½À´Ï´Ù.
ÀÛÀº ¿øÀº ä³Î(Channel)À» ¶æÇÏ¸ç µÎ°³ÀÌ»óÀÇ Agent µéÀÌ Communication Çϱâ À§ÇØ »ç¿ëµÇ´Â °ÍÀ» ¸»ÇÕ´Ï´Ù.(¸Þ½ÃÁö ¹ö½º, TCP/IP ¼ÒÄÏ, À̺¥Æ® , ÆÄÀÌÇÁ ..)
Access Type ¼±µéÀº Access Type À» ³ªÅ¸³À´Ï´Ù. Agent °¡ Storage ¿¡ Read / Write ÇÏ´Â ¹æÇâ¿¡ µû¶ó È­»ìÇ¥°¡ ºÙ°ÔµÇ¸ç, ä³Î¿¡ Read/Write Çϴ°æ¿ì´Â È­»ìÇ¥°¡ ¾çÂÊ¿¡ ºÙ±âº¸´Ù È­»ìÇ¥°¡ ¾Æ¿¹ ¾ø´Â ¼±À¸·Î ³ªÅ¸³À´Ï´Ù.
Read Write Agent A °¡ Storage S¿¡¼­ µ¥ÀÌŸ¸¦ ÀоîµéÀÔ´Ï´Ù.

Agent A °¡ Storage S¿¡ µ¥ÀÌŸ¸¦ ÀúÀåÇÕ´Ï´Ù.

Agent A °¡ Storage S¿¡ Read/Write ·Î Data ¸¦ Modify ÇÕ´Ï´Ù.
Uni-Bi direction Á¤º¸°¡ Agent A1 ¿¡¼­ Agent A2 ·Î ¸¸ Èê·¯°¥¼ö ÀÖ½À´Ï´Ù.

Agent A1 ÀÌ Agent A2 °¡ ¼­·Î ä³ÎÀ» ÅëÇØ Á¤º¸¸¦ ÁÖ°í ¹ÞÀ»¼ö ÀÖ½À´Ï´Ù.
Req Res Agent A1 ÀÌ Agent A2 ·Î ¿äû(Request)¸¦ º¸³»¸é A2 °¡ ÀÀ´ä(Response)¸¦ º¸³À´Ï´Ù.
(ÇÔ¼ö È£ÃâÀ̳ª HTTP ÀÇ Request/Response °°Àº °æ¿ì)

°£·«È­µÈ ¹öÀüÀ¸·Î ¿äûÀÌ °¡´Â ¹æÇ⸸À» R¢º ¿Í °°ÀÌ ³ªÅ¸³À´Ï´Ù.
Shared Storage Agent A1 °¡ Agent A2 °¡ °øÀ¯ÇÏ´Â ÀúÀå¼Ò·Î¼­ ¼­·Î Åë½ÅÀÌ °¡´ÉÇØ Áý´Ï´Ù. (Shared Memory,°øÀ¯DB)
Structure Variance Structure Variance¸¦ ³ªÅ¸³À´Ï´Ù. ½Ã½ºÅÛ ÄÄÆ÷³ÍÆ®ÀÇ »ý¼º°ú ¼Ò¸êÀ» ³ªÅ¸³»´Â º¹ÇÕ±¸¼º ÀÔ´Ï´Ù. A1ÀÌ A2 ¸¦ »ý¼ºÇÔÀ¸·Î½á Á¡¼±À¸·Î Ç¥½ÃµÈ Storage¸¦ ¼öÁ¤Çϸç, »ý¼ºµÈ A2 ´Â A1 °ú Åë½ÅÇÏ°Ô µË´Ï´Ù. ¾²·¹µå Ç® °°Àº ±¸Á¶¸¦ ³ªÅ¸³À´Ï´Ù.

¿©±â±îÁöÀÇ °¢ Element ¼³¸íÀ» º¸½Ã°í ´Ù½Ã À§ÀÇ HTTP Server ±¸Á¶¸¦ º¸½Ã¸é ½±°Ô ÀÌÇØ°¡ µÇ½Ç°ÍÀÔ´Ï´Ù.

Agent ¿Í Storage ¶ó´Â µÎ°³ÀÇ ÄÄÆ÷³ÍÆ® ¸¸À¸·Î ³ª´³Áö¸¸, ä³Î°ú Accessing Çϴ ŸÀÔÀ» ÁöÁ¤ÇÔÀ¸·Î½á
½Ã½ºÅÛ Àüü ÄÄÆ÷³ÍÆ®°£ÀÇ Á¤ÀûÀÎ ±¸Á¶¸¦ Ç¥ÇöÇϱ⠽±°í , ÀÌÇØ°¡ ºü¸£´Ù´Â ÀåÁ¡À» °¡Áö°í ÀÖ½À´Ï´Ù.

Âü°í·Î, Apache Modeling Project ¿¡ ³ª¿ÍÀÖ´Â Apache À¥¼­¹öÀÇ Unix ¿ë Multiprocessing/Multithreading ¸ðµ¨À»
Block Diagram À¸·Î ³ªÅ¸³»¸é ´ÙÀ½°ú °°½À´Ï´Ù.

Apache Worker MPM


Âü°í Reference

* À̱ÛÀº Á¦°¡ °ü½ÉÀÌ À־ ã¾Æº¸´Ù°¡ Á¤¸®Çغ» ¹®¼­ÀÔ´Ï´Ù. ÁÖ°üÀûÀÎ ³»¿ëÀÌ ´ã°ÜÀÖÀ»¼ö ÀÖÀ¸´Ï Âü°íÇϽñ⠹ٶø´Ï´Ù. ^^
* ±×¸®°í À̱ÛÀº Á¦ ºí·Î±×ÀÇ ÀúÀÛ±ÇÇ¥½Ã¿Í´Â º°µµ·Î, Á¦ ºí·Î±×¿ÜÀÇ ¾î´À°÷¿¡µµ ÀüÀ縦 ±ÝÇÕ´Ï´Ù.

Æ®À§ÅÍ (Twitter) ¿¡¼­ Á¦ Æ®À­°èÁ¤ @xguru ¸¦ Follow ÇÏ½Ã¸é ´Ù¾çÇÑ Á¤º¸¸¦ ´õ¿í »¡¸® ¹Þ¾Æº¸½Ç¼ö ÀÖ½À´Ï´Ù.
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