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ÇÑ±Û Ç¥Áظí Ç÷º½º ÀÌ´õ³Ý ±¸Çö ±Ô¾à(OIF FLEXE02.1)
¿µ¹® Ç¥Áظí Flex Ethernet Implementation Agreement(OIF FLEXE02.1)
ÇÑ±Û ³»¿ë¿ä¾à ÀÌ Ç¥ÁØ¿¡¼­ Á¤ÀÇÇÑ Ç÷º½º ÀÌ´õ³Ý ±â¼úÀº ´Ù¼öÀÇ ÀÌ´õ³Ý PHY¸¦ Çϳª·Î º»µù(bonding)ÇÏ¿© º¸´Ù ³ôÀº MAC ¼Óµµ¸¦ Áö¿øÇϰųª, ¼­ºê-·¹ÀÌÆ®(sub-rate) ¶Ç´Â ä³ÎÈ­(channelization)¸¦ ÅëÇØ ±âÁ¸ PHYº¸´Ù ³·Àº ¼ÓµµÀÇ MACÀ» Áö¿øÇÒ ¼ö ÀÖ´Ù. ÀÌ Ç¥ÁØÀº 50GBASE-R, 100GBASE-R, 200GBASE-R, ¶Ç´Â 400GBASE-R ÀÌ´õ³Ý PHY¿¡ ´ëÇØ µ¿ÀÛÇϸç, º»µù, ¼­ºê-·¹ÀÌÆ® ¶Ç´Â ä³ÎÈ­¸¦ ÅëÇØ 10Gb/s, 40Gb/s, ¶Ç´Â m x 25Gb/sÀÇ Å¬¶óÀ̾ðÆ® MAC ¼Óµµ¸¦ Áö¿øÇÑ´Ù. Ç÷º½º ÀÌ´õ³Ý ±â´ÉÀº IEEE 802.3 °èÃþ ½ºÅà »ó ÀÌ´õ³Ý PHYÀÇ Ã¤³Î ÄÚµù ºÎ°èÃþ(PCS: Physical Coding Sublayer) ³»¿¡¼­ ½°(shim) ÇüÅ·ΠÀ§Ä¡ÇÏ¿©, Ç÷º½º ÀÌ´õ³Ý Ŭ¶óÀ̾ðÆ® MAC ÇÁ·¹ÀÓÀÇ 64B/66B ÀÎÄÚµùµÈ ºñÆ®¿­À» ½ÃºÐÇÒ ´ÙÁßÈ­¸¦ ÅëÇØ 5Gb/s ¶Ç´Â 25Gb/s ´ÜÀ§ÀÇ Ä¶¸°´õ ½½·Ô¿¡ ¸ÅÇÎÇÑ´Ù. Ç÷º½º ÀÌ´õ³Ý ½ÅÈ£´Â FlexE ¹ÌÀνÄ(unaware) Àü¼Û, FlexE Á¾´Ü ÈÄ Àü¼Û, FlexE ÀνÄ(aware) Àü¼Û µîÀÇ ¹æ¹ýÀ¸·Î Àü´Þ¸Á¿¡ ¸ÅÇ뵃 ¼ö ÀÖ´Ù.
¿µ¹® ³»¿ë¿ä¾à The Flex Ethernet technology specified in this Standard supports either MAC rates higher than Ethernet PHY rates by bonding a plurality of PHYs, or MAC rates lower than Ethernet PHY rates through sub-rate or channelization. This Standard operates on 50GBASE-R, 100GBASE-R, 200GBASE-R, or 400GBASE-R Etheret PHYs, and supports client MACs of 10Gb/s, 40Gb/s, or m x 25Gb/s rates through bonding, sub-rate, or channelization. Flex Ethernet functions are located in the Physical Coding Sublayer (PCS) of the Ethernet PHY in the IEEE 802.3 layer stack as a form of shim, and maps 64B/66B encoded bit-streams to either 5Gb/s or 25Gb/s calendar slots through time-division multiplexing. Flex Ethernet signals can be mapped to the transport networks in a manner such as FlexE unaware transport, FlexE termination in the transport, and FlexE aware transport.
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Ç÷º½º ÀÌ´õ³Ý ±¸Çö ±Ô¾à(OIF FLEXE02.1) TTAE.OT-03.0034 2021-12-08 Á¦Á¤ À¯È¿ ¾øÀ½ TTAE.OT-03.0034.pdf