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ÇѱÛÇ¥Áظí IP±â¹Ý ±³È¯Çü µðÁöÅÐ ºñµð¿À(SDV: Switched Digital Video) Àü¼Û ±â¼ú
¿µ¹®Ç¥Áظí Standard for the IP-based Switched Digital Video Transmission over Cable Network
Çѱ۳»¿ë¿ä¾à º» Ç¥ÁØÀº ±¹³» ÄÉÀÌºí ¸Á¿¡¼­ ÄÉÀÌºí µ¥ÀÌÅÍ ¼­ºñ½º ÀÎÅÍÆäÀ̽º ±Ô°Ý(DOCSIS) ÇÁ·¹ÀÓÀ» »ç¿ëÇÏ¿© IP ÇÁ·ÎÅäÄÝ¿¡ ±â¹ÝÇÑ µðÁöÅÐ ºñµð¿À¸¦ Àü¼ÛÇÏ´Â ÀåÄ¡ ¹× ¼­ºñ½º ±¸Çö¿¡ ÇÊ¿äÇÑ ±â¼úÀû ¿ë¾î ¹× ¿ä±¸ »çÇ×ÀÌ ±â¼úµÈ´Ù. º» Ç¥ÁØÀº ÄÉÀÌºí ¸ÁÀ» À§ÇÑ IP ±â¹Ý ±³È¯Çü µðÁöÅÐ ºñµð¿À(SDV) ¼­ºñ½º °³³äÀ» Á¤ÀÇÇÏ°í, IP ±â¹Ý ±³È¯Çü µðÁöÅÐ ºñµð¿À(SDV) ¼­ºñ½º¸¦ Á¦°øÇϱâ À§ÇÑ Çìµå¿£µå Àåºñ ¹× ÄÉÀÌºí ¸ðµ© Á¾´Ü ½Ã½ºÅÛ(CMTS: Cale Modem Termination System) ¿ä±¸ »çÇ×, ºñµð¿À ½ºÀ§ÄªÀ» À§ÇÑ ±â´É ¿ä±¸ »çÇ×, IP ÇÁ·ÎÅäÄÝ°úÀÇ ¿¬°è ¹× ÀåÄ¡ °£ÀÇ »óÈ£ ÀÎÅÍÆäÀ̽º¸¦ ÁÖ¿ä ³»¿ëÀ¸·Î ÇÑ´Ù. ¶ÇÇÑ ¹Ì±¹ Ç¥ÁØ ¹× ´Üü ±Ô°Ý µî°ú ȣȯ °¡´ÉÇϵµ·Ï Á¤ÀÇÇÏ¿© »óÈ£ ¿¬µ¿¼ºÀ» º¸ÀåÇÑ´Ù.
¿µ¹®³»¿ë¿ä¾à This standard defines functional requirements of the IP-based switched digital video (SDV) services in the DOCSIS (Data over Cable Service Interface Specification) based cable network. The functionalities described in this standard are defined according to the requirement of cable television system operators. The IP-based digital video service includs video service transmission using IP multicasting, interactive applications such as video conference, VoD content delivery, and real-time high bandwidth IP-based broadcasting. There are some differences from IPTV that IP-based digital video services carry on MPEG-2 TS transport stream and their transmission is point-to-multipoint access. The document defines the functional requirements, the link layer protocols and physical layer interfaces, the requirements for headend CMTS equipment, video switching functions and IP network interoperabilities.
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°ü·ÃÆÄÀÏ TTAK.KO-07.0089.pdf TTAK.KO-07.0089.pdf            

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