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2015-03-11
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¹Ø¼ü´Ê£º ATM V5½Ó¿Ú ×ۺϽÓÈëϵͳ ÒÔÌ«Íø ½ÓÈëÍø
Abstract
Access Network technique is demand that one of the most popular topic in inside in realm in current correspondences, for orientation from now on the breadth takes to connect into, the design of the Universal Access System (UAS) mention the argument matter agenda top then.But the Access System that regards the ATM as the core is a very important a development direction.
Here the foundation is last, this text introduces to synthesize the total construction that connect into the terrace, studying to use the some key technique that the technique of ATM realizes, take go together with ether net business as an example, explained to connect into the lateral work in customer in terrace principle technique, still introduced to connect into the terrace network side V5 connects the oscular and some kind
Key Words£º ATM Access Network V5 Interface Ethernet
UAS
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1.1 ÍøÂç¼¼ÊõÓëÊг¡ÏÖ×´ 1
1.2 ½ÓÈëƽ̨µÄ·¢Õ¹ÀúÊ·¼°ÏÖ×´ 3
1.3 ÏÖ½ñ¼¸ÖÖ½ÓÈëƽ̨¼¼Êõ 4
1.3.1£ºÊý×ÖÓû§Ïߣ¨DSL£©¼¼Êõ 4
1.3.2 HFCÍø¼¼Êõ 6
1.3.3£ºSDHÓ¦ÓÃÓÚ½ÓÈëÍø 7
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1.3.6 ËÄÜÍÑÓ±¶ø³ö£¿ 9
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µÚ¶þÕ ×ۺϽÓÈëϵͳ¼¼Êõ¼°½á¹¹ 12
2.1.×ÛºÏÒµÎñ½ÓÈë¼¼Êõ 12
2.1.1 ÒµÎñµÄ·ÖÀàÓëÌØÕ÷ 12
2.1.2 ͬ²½½ÓÈë (STDM) 13
2.1.3 Òì²½½ÓÈë (ATDM) 14
2.1.4 Á½ÖÖ½ÓÈ뷽ʽµÄ±È½Ï 15
2.2 ×ۺϽÓÈëϵͳ×ÜÌå½á¹¹ 16
2.2.1 ½ÓÈëÍøµÄ×ÜÌå½á¹¹ 16
2.2.2 ×ۺϽÓÈëϵͳµÄ×ÜÌå½á¹¹ 17
2.3ÒµÎñ·ÖÅä½ÚµãºÍÒµÎñ½ÓÈë½ÚµãµÄ½á¹¹ 21
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2.4.1 Ö§³ÖµÄÒµÎñ 23
2.4.2 ¹¦ÄÜÒªÇó 24
µÚÈýÕ ATMƽ̨¹Ø¼ü¼¼Êõ 26
3.1 ATMÐÒé²Î¿¼Ä£ÐÍ 27
3.1.1 ATMÐÒé²Î¿¼Ä£ÐÍ 27
3.1.2 ATM¼¼ÊõµÄÌص㼰ӦÓà 29
3.2 ATMÐÅÁ÷ºÏÔ¼Óë·þÎñÀà±ð 30
3.2.1 ÐÅÁ÷ºÏÔ¼ 31
3.2.2 ·þÎñÀà±ð¼°ÆäQoSÒªÇó 33
3.3 ATMµÄÐÅÁ÷¹ÜÀíºÍÓµÈû¿ØÖÆ 34
3.3.1 ÐÅÁ÷¹ÜÀí 34
3.3.2 ÓµÈû¿ØÖÆ 37
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4.1 ÒÔÌ«Íø¼¼Êõ 38
4.2 ÒÔÌ«ÍøÒµÎñÊÊÅäÔÀí 40
4.2.1ÒÔÌ«ÍøÒµÎñÊÊÅäÔÀí 40
4.2.2 AAL5ÐÒé 41
4.3 AAL5ÊÊÅäµÄʵÏÖÔÀí¼°¹Ø¼ü¼¼Êõ 42
4.3.1 AAL5Êý¾Ý·¢ËͺͽÓÊÕ¹ý³Ì 42
4.3.2 VPI£¯VCIµØÖ·²éÕÒ»úÖÆ 44
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