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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)

Çѱ¹Á¤º¸Åë½ÅÇÐȸ ³í¹®Áö (Journal of the Korea Institute of Information and Communication Engineering)

Current Result Document : 97 / 377

ÇѱÛÁ¦¸ñ(Korean Title) ºÐ»ê¸®½ºÆ® ³×Æ®¿öÅ· ¸ÞÄ«´ÏÁòÀÇ ÃÖÀûÈ­¿¡ °üÇÑ ¿¬±¸
¿µ¹®Á¦¸ñ(English Title) A Study on Optimization of Networking Mechanism of Distributed List
ÀúÀÚ(Author) ÀÓµ¿ÁÖ   Dong Ju Im  
¿ø¹®¼ö·Ïó(Citation) VOL 05 NO. 03 PP. 0475 ~ 0482 (2001. 06)
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(Korean Abstract)
º» ³í¹®¿¡¼­ ¼ÒÄÏ ±â¹ÝÀÇ ºÐ»ê¸®½ºÆ®¿Í RMI ±â¹ÝÀÇ ºÐ»ê¸®½ºÆ® ±¸ÇöÀ» Áß½ÉÀ¸·Î ±â¼úÇÑ´Ù. ¸ÕÀú ¼ÒÄÏ ±â¹Ý ºÐ»ê¸®½ºÆ®¿¡ À־ ¸Þ½ÃÁö¸¦ Æ÷ÀåÇÒ ¶§ °´Ã¼ ½ºÆ®¸²À» »ç¿ëÇÏ¿© ºÐ»ê¸®½ºÆ® ÀÎÅÍÆäÀ̽º¸¦ ºÐ»êȯ°æ¿¡ ¸Â°Ô ±¸ÇöÇÏ°í ±â¼úÇÑ´Ù. µÑ°·Î RMI·Î ºÐ»ê¸®½ºÆ®¸¦ ±¸ÇöÇÏ´Â °¡Àå Å« ¸ñÀûÀº ¾à°£ º¹ÀâÇÑ ¾ÖÇø®ÄÉÀ̼ÇÀ» ±¸ÇöÇÔÀ¸·Î½á ´Ù¸¥ ³×Æ®¿öÅ· ¸ÞÄ«´ÏÁò°úÀÇ Àå´ÜÁ¡À» ºñ±³ÇÏ´Â °ÍÀ¸·Î RMI¸¦ »ç¿ëÇÒ ¶§ÀÇ °¡Àå Å« ÀåÁ¡Àº ¾ÖÇø®ÄÉÀÌ¼Ç ·¹º§ ÇÁ·ÎÅäÄÝÀ» »ç¿ëÇÏÁö ¾Ê°íµµ ÇÁ·Î±×·¥À» °£´ÜÇÏ°Ô ±¸ÇöÇÒ ¼ö ÀÖ´Ù´Â °ÍÀÌ´Ù. ÇÁ·Î±×·¥ÀÇ È¿À²ÀÌ ¶ó´Â Ãø¸é¿¡¼­ »ìÆ캻´Ù¸é RMI¸¦ »ç¿ëÇÑ ¾ÖÇø®ÄÉÀ̼ÇÀº ¸Å ¾÷µ¥ÀÌÆ®¸¶´Ù »ý¼ºµÇ´Â ¸¹Àº TCP/IP ¿¬°á·Î ÀÎÇØ ¼º´ÉÀÌ ¸Å¿ì ¶³¾îÁú ¼ö ÀÖ´Ù[1]. TCP/IP ¿¬°áÀº RMI¿¡ ºñÇØ ¸Å¿ì ÀûÀº ºñ¿ëÀ» ¿ä±¸ÇÏ¸ç ºñ·Ï RMI°¡ ÇϳªÀÇ ³×Æ®¿öÅ© ¿¬°áÀ» »ç¿ëÇؼ­ ¿©·¯ ¸Þ¼Òµå È£ÃâÀ» ó¸®ÇØ ÁÖ´Â ¸ÞÄ«´ÏÁòÀ» °¡Áö°í ÀÖ±â´Â ÇÏÁö¸¸ Á÷Á¢ ¼ÒÄÏÀ» »ç¿ëÇÏ´Â °Íº¸´Ù´Â È¿À²ÀÌ ¶³¾îÁø´Ù. ±×·¯³ª RMI´Â HTTP ÇÁ·Ï½Ì ¸ÞÄ«´ÏÁòÀ» »ç¿ëÇÏ¿© ¹æÈ­º®À» ³Ñ¾î Åë½ÅÇÏ´Â °ÍÀÌ °¡´ÉÇÏ´Ù[2]. µû¶ó¼­ µÎ ½Ã½ºÅÛÀ» ºñ±³ ºÐ¼®ÇÔÀ¸·Î½á ÃÖÀûÈ­ ÇعýÀ» ¸ð»öÇÏ¿© ³×Æ®¿öÅ· ¸ÞÄ«´ÏÁò ¸ðµ¨¸µÀ» Á¦½ÃÇÏ°íÀÚ ÇÑ´Ù.
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(English Abstract)
In this paper, I describe the implementation of the distributed lists based on socket and on RMI(Remote Method Invocation). First, I describe and implement an interface of distributed list based on socket using object stream in a distributed environment, when encapsulating the message in the distributed list. Second, the major purpose to implement a distributed list in RMI is to compare advantages and disadvantages with other networking mechanisms by implementing complicated applications. The major advantage in using RMI is to implement simply the programs without using application-level protocol. In terms of program efficiency, the applications using HMI can degrade the performance due to many TCP/IP connections generated every update. TCP/IP connection requires much less cost than RMI. Even though RMI has the mechanism processing many method calls using a sing]e network connection, RMI is less efficient than the direct use of socket. However, RMI makes it possible to communicate beyond firewall using HTTP proxying mechanism. Consequently, I present a modeling of networking mechanism in finding out optimization solution by comparing and analyzing the two systems.
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