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Ç¥ÁعøÈ£ | TTAE.IT-Y1910 | ±¸Ç¥ÁعøÈ£ | |
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Á¦°³Á¤ÀÏ | 2010-12-23 | ÃÑÆäÀÌÁö | 126 |
ÇѱÛÇ¥Áظí | IPTV ¼ºñ½º ±¸Á¶ | ||
¿µ¹®Ç¥Áظí | IPTV Service Architecture | ||
Çѱ۳»¿ë¿ä¾à | º» Ç¥ÁØÀº IPTV ¼ºñ½º ¿ä±¸»çÇ×°ú IPTV ¼ºñ½º Á¤ÀǸ¦ ±â¹ÝÀ¸·Î IPTV ¼ºñ½º¸¦ Áö¿øÇϱâ À§ÇÑ IPTV ±â´ÉÀû ±¸Á¶¸¦ Á¤ÀÇÇÑ´Ù. ¿ì¼±, IPTV ¿µ¿ª(Domain)º°·Î IPTV ±â´ÉÀû ¿ªÇÒ¿¡ ´ëÇؼ Á¤ÀÇÇÏ°í »óÀ§ ¼öÁØÀÇ IPTV ±â´ÉÀû ¸ðµ¨À» ±ÔÁ¤ÇÑ´Ù. »óÀ§ ¼öÁØÀÇ ¸ðµ¨¿¡ ´ëÇØ º¸´Ù ´õ »ó¼¼ÈÇÏ¿© IPTV ¼ºñ½º ±â´ÉÀû ±¸Á¶¸¦ Á¤ÀÇÇÑ´Ù.
º» Ç¥ÁØ¿¡¼´Â IPTV ¼ºñ½º¸¦ ±¸ÃàÇÏ´Â ³×Æ®¿öÅ© ȯ°æÀ» ¼¼ °¡Áö Áï, Non-NGN ±â¹Ý ³×Æ®¿öÅ© ȯ°æ, NGN ±â¹Ý ³×Æ®¿öÅ© ȯ°æ, NGN-IMS ±â¹Ý ³×Æ®¿öÅ© ȯ°æÀ¸·Î ±¸ºÐÇÏ¿© Á¤ÀÇÇÏ¿´À¸¸ç, Á¤ÀÇÇÑ IPTV ¼ºñ½º ±¸Á¶´Â ³×Æ®¿öÅ©¿¡¼ Á¦°øµÇ´Â ±â´ÉÀ» Àû±Ø È°¿ëÇÏ¿© ¼³°èµÇ¾ú´Ù. º» Ç¥ÁØ¿¡¼´Â ÀÌ·¯ÇÑ ¼¼ °¡Áö ȯ°æ¿¡ ´ëÇØ IPTV ¼ºñ½º ±¸Á¶¸¦ Á¤ÀÇÇÏ°í IPTV ¼ºñ½º ±¸¼ºÀÇ Â÷ÀÌÁ¡À» ±â¼úÇÏ°í ÀÖ´Ù. ¶ÇÇÑ, ¼¼ °¡Áö ³×Æ®¿öÅ© ȯ°æ¿¡¼ °øÅëÀ¸·Î Á¤ÀǵǴ ±â´ÉÀº ¼¼ºÎ ±â´É ºí·ÏÀ¸·Î ³ª´©¾î °¢ ºí·ÏÀÇ ¿ªÇÒ°ú °£´ÜÇÑ µ¿ÀÛ ¹× ±â´É¿¡ ´ëÇØ Á¤ÀÇÇϸç, ¼¼ºÎ ±â´É ºí·Ï°£ÀÇ ÀÎÅÍÆäÀ̽º¸¦ Á¤ÀÇÇÏ°í ¼³¸íÇÑ´Ù. º» Ç¥ÁØÀº ÇÑ °³ÀÇ ºÎ¼Ó¼(Annex)¿Í ¿©¼¸ °³ÀÇ ºÎ·Ï(Appendix)À» Æ÷ÇÔÇÏ°í ÀÖ´Ù. ºÎ¼Ó¼¿¡¼´Â IPTV ±¸Á¶¿Í NGN ±¸Á¶ÀÇ »ó°ü °ü°è¸¦ ±â¼úÇϸç, ºÎ·Ï¿¡¼´Â IPTV ±¸Á¶¿¡¼ IPTV ¼ºñ½º Á¦°øÀ» À§ÇÑ µ¿ÀÛ ÀýÂ÷ È帧µµ, Á¤ÀÇµÈ ºí·Ï °£ ÀÎÅÍÆäÀ̽º¿¡¼ »ç¿ëÇÒ ¼ö ÀÖ´Â ÇÁ·ÎÅäÄÝ ¿¹½Ã, ³×Æ®¿öÅ© °èÃþ ±¸Á¶¿¡ ÀÖ´Â IPTV ¼ºñ½º Àåºñ¿¡¼ÀÇ IPTV ±â´É ±¸¼º ¿¹½Ã, Áߺ¹(Overlay) ³×Æ®¿öÅ· ±â´É, ÄÉÀÌºí ¸Á¿¡¼ IPTV ±¸Á¶ ¼³°è ¿¹½Ã ¹× IPTV ·Î¹Ö(Roaming) ¼ºñ½º Á¦°ø°ú Á¦3ÀÚ(3rd party) »ç¾÷ÀÚ Á¢¼ÓÀ» À§ÇÑ IPTV ±¸Á¶¸¦ ¿¹½ÃÇÏ°í ÀÖ´Ù. º» Ç¥ÁØÀÇ ¿©¼¸ °³ÀÇ ºÎ·Ï¿¡ ±â¼úµÈ ¸ðµç ³»¿ëÀº IPTV ¼ºñ½º¿Í IPTV ¼ºñ½º ±¸Á¶¿¡ ´ëÇØ ÀÌÇظ¦ µ½±â À§ÇÑ Âü°í ÀÚ·á·Î ÀÌ¿ë °¡´ÉÇϳª ±¹³» IPTV ¼ºñ½º¿¡ Àû¿ëµÇ¾î¾ß ÇÒ Ç¥ÁØÀº ¾Æ´Ï´Ù. ¶ÇÇÑ, ÀÌ ¿µ¹®Ç¥ÁØÀÇ ÂüÁ¶Ç¥ÁØÀÎ Y.1910¿¡ Ãß°¡ÇÏ¿©, ITU-T ÀÌ¿ÜÀÇ ´Ù¸¥ Ç¥ÁØÈ ±â±¸(ATIS(Alliance for Telecommunications Industry Solutions), ETSI(European Telecommunications Standards Institute), OIPF(Open IPTV Forum))¿¡¼ Á¤ÀÇÇÏ°í ÀÖ´Â IPTV ±¸Á¶¸¦ ¼Ò°³ÇÏ°í, º» Ç¥ÁØ¿¡¼ Á¤ÀÇÇÏ°í ÀÖ´Â IPTV ±¸Á¶¿ÍÀÇ Â÷ÀÌÁ¡À» ºÎ·Ï VII¿¡ Ãß°¡·Î ±â¼úÇÏ¿© Æ÷ÇÔ½ÃÄ×´Ù. |
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¿µ¹®³»¿ë¿ä¾à | This standard specifies the IPTV functional architecture intended to support IPTV services based on the IPTV service requirements and IPTV service definitions. Starting from a basic description of IPTV roles and services, a high level IPTV functional model is outlined. This model is then developed into a more detailed functional architecture. Specific cases are also described in more detail.
The IPTV functional architecture is based on use of existing network components and technologies, as well as on NGN architectures. This leads to three possible options for the architectural representations, which are IPTV functional architecture for non-NGN network components, IPTV functional architecture based on the NGN functional architecture, but not based on IMS, IPTV functional architecture based on NGN IMS functional architecture. The common elements between these alternatives as well as the differences are described in this standard. Also, this standard provided detailed description of the functions and functional blocks related to all three IPTV architectural approaches along with reference points and its description. This standard defines one Annex and six Appendixes. The Annex defines relationship between IPTV architecture and NGN architecture. The Appendixes provides information on procedural flow of IPTV services, potential protocols that can be used in IPTV reference points, example mapping of IPTV functional element to physical network hierarchy, overlay networking function, adaptation of IPTV service architecture to HFC network, and nomadism for IPTV service to support IPTV service roaming and interworking with 3rd party service provider. The six appendices in this standard is only a reference to assist readers in understanding IPTV service and IPTV service architecture and is not part of the standard to be complied by the domestic IPTV service. Also, this standard adds another appendix, i.e., appendix VII, to provide short description and difference of IPTV architecture of other SDOs (i.e., ATIS(Alliance for Telecommunications Industry Solutions), ETSI(European Telecommunications Standards Institute), OIPF(Open IPTV Forum)). |
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