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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸Ã³¸®ÇÐȸ ³í¹®Áö > Á¤º¸Ã³¸®ÇÐȸ ³í¹®Áö ÄÄÇ»ÅÍ ¹× Åë½Å½Ã½ºÅÛ

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ÇѱÛÁ¦¸ñ(Korean Title) NDN¿¡¼­ Off-Path ÄÜÅÙÃ÷ Á¢±Ù±â¹ýµé¿¡ ´ëÇÑ ¼º´É ºñ±³ ¿¬±¸
¿µ¹®Á¦¸ñ(English Title) A Comparative Study on Off-Path Content Access Schemes in NDN
ÀúÀÚ(Author) ÀÌÁؼ®   ±èµµÇü   Junseok Lee   Dohyung Kim  
¿ø¹®¼ö·Ïó(Citation) VOL 10 NO. 12 PP. 0319 ~ 0328 (2021. 12)
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(Korean Abstract)
ÀÎÅͳݿ¡¼­ÀÇ ´ë¿ë·® ÄÜÅÙÃ÷µé¿¡ ´ëÇÑ ¼­ºñ½º°¡ ÀϹÝÈ­µÊ¿¡ µû¶ó ±âÁ¸ TCP/IP ÇÁ·ÎÅäÄÝ¿¡¼­ÀÇ ºñÈ¿À²ÀûÀÎ µ¥ÀÌÅÍ Àü¼Û¿¡ ´ëÇÑ ¹®Á¦Á¡µéÀÌ Á¦±âµÇ¾ú°í, ±× °á°ú·Î Á¤º¸Á߽ɳ×Æ®¿öÅ© (Information-centric networking) Æз¯´ÙÀÓÀÌ »õ·Ó°Ô Á¦½ÃµÇ¾ú´Ù. Á¤º¸Á߽ɳ×Æ®¿öÅ©¿¡¼­´Â IP¿Í °°Àº À§Ä¡ ½Äº°ÀÚ¸¦ ´ë½ÅÇÏ¿© ÄÜÅÙÃ÷ À̸§À» ÅëÇØ ÄÜÅÙÃ÷ Á¢±ÙÀÌ ÀÌ·ç¾îÁö¸ç, ³×Æ®¿öÅ© ³ëµåµé (e.g., ¶ó¿ìÅÍ)Àº ij½Ã¸¦ È°¿ëÇÏ¿© Àü¼ÛÁßÀÎ ÄÜÅÙÃ÷µéÀ» ÀúÀåÇÏ¿© ÀÌÈÄ ¹ß»ýÇÏ´Â »ç¿ëÀÚ ¿äûµé¿¡ ´ëÇÑ ¼­ºñ½º¸¦ ¼öÇàÇÒ ¼ö ÀÖ´Ù. »ç¿ëÀÚ ¿äûÀÌ ¸Ö¸® À§Ä¡ÇÑ ÄÜÅÙÃ÷ ¼­¹ö°¡ ¾Æ´Ñ °¡±î¿î ³×Æ®¿öÅ© ij½Ã¿¡¼­ ¼­ºñ½ºµÉ ¼ö ÀÖ°Ô µÊ¿¡ µû¶ó ¼­ºñ½º Áö¿¬ °¨¼Ò, ³×Æ®¿öÅ© ´ë¿ªÆøÀÇ È¿À²Àû »ç¿ë, ¼­ºñ½º È®À强 È®º¸ µîÀÇ ÀÌÁ¡ÀÌ ¼Ò°³µÇ¾ú´Ù. ±×·±µ¥ ÀÌ¿Í °°Àº Á¤º¸Á߽ɳ×Æ®¿öÅ©¿¡¼­ÀÇ ÀÌÁ¡µéÀº ij½Ã¿¡ ÀúÀåµÇ¾î ÀÖ´Â ÄÜÅÙÃ÷°¡ ¾ó¸¶³ª Àû±ØÀûÀ¸·Î È°¿ëµÉ ¼ö ÀÖ´À³Ä¿¡ ÀÇÇØ °áÁ¤µÉ ¼ö ÀÖ´Ù. º» ³í¹®¿¡¼­´Â 1) Á¤º¸Á߽ɳ×Æ®¿öÅ©ÀÇ ´ëÇ¥ÀûÀÎ ¾ÆÅ°ÅØÃÄ ÁßÀÇ ÇϳªÀÎ Named-data Networking (NDN) ¿¡¼­ÀÇ ÄÜÅÙÃ÷ Á¢±Ù ±â¹ý¿¡ ´ëÇØ ¼Ò°³ÇÏ°í, 2) Ưº°È÷ ¶ó¿ìÆà °æ·Î¸¦ ¹þ¾î³ª ij½ÃµÇ¾î ÀÖ´Â ÄÜÅÙÃ÷µéÀ» Á¢±ÙÇÒ ¼ö ÀÖµµ·Ï Çϱâ À§ÇØ Á¦¾ÈµÈ ±â¹ýµé¿¡ ´ëÇÑ ¸®ºä¸¦ ÁøÇàÇϸç, 3) ndnSIM ½Ã¹Ä·¹ÀÌÅ͸¦ È°¿ëÇØ ÀÌµé ±â¹ýµé¿¡ ´ëÇÑ ¼º´É ºñ±³ Æò°¡¸¦ ÁøÇàÇÑ´Ù.
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(English Abstract)
With popularization of services for massive content, the fundamental limitations of TCP/IP networking were discussed and a new paradigm called Information-centric networking (ICN) was presented. In ICN, content is addressed by the content identifier (content name) instead of the location identifier such as IP address, and network nodes can use the cache to store content in transit to directly service subsequent user requests. As the user request can be serviced from nearby network caches rather than from far-located content servers, advantages such as reduced service latency, efficient usage of network bandwidth, and service scalability have been introduced. However, these advantages are determined by how actively content stored in the cache can be utilized. In this paper, we 1) introduce content access schemes in Named-data networking, one of the representative ICN architectures; 2) in particular, review the schemes that allow access to cached content away from routing paths; 3) conduct comparative study on the performance of the schemes using the ndnSIM simulator.
Å°¿öµå(Keyword) Á¤º¸Á߽ɳ×Æ®¿öÅ©   À̸§±â¹Ý³×Æ®¿öÅ·   Information-centric Networking   Named-data Networking   Access to the Off-path Cached Content  
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