イーサネットのOAM機能 とメカニズム - ttc.or.jp

1 JT-Y1731 OAM OAM functions and mechanisms for Ethernet based networks 1 2010 2 24 THE TELECOMMUNICATION TECHNOLOGY COMMITTEE 2 3 < > .. 5 .. 6 1 .. 6 2 .. 6 3 .. 7 .. 7 .. 9 4 .. 9 5 .. 12 (ME) .. 12 MEG .. 12 MEG (MEP) .. 13 MEP .. 13 MEG (MIP) .. 13 (TrCP) .. 13 MEG .. 14 OAM Transparency .. 14 .. 15 6 OAM .. 15 Mes MEPs MIPs TrCPs .. 15 MEG MEG .. 16 MEP MIP .. 18 7 OAM .. 18 (ETH-CC) .. 18 CCM(ETH-CC ) .. 19 CCM(ETH-CC ).

2 19 ETH-LB .. 20 ETH-LB .. 21 23 (ETH-LT) .. 25 LT M .. 26 LT M LT R .. 26 LT R .. 28 (ETH-AIS) .. 28 AIS .. 29 AIS .. 29 (ETH-RDI) .. 30 4 CCM ETH-RDI .. 30 CCM ETH-RDI .. 31 (ETH-LCK) .. 31 LCK .. 32 LCK .. 32 (ETH-Test) .. 32 TST .. 33 TST .. 33 (ETH-APS) .. 34 (ETH-MCC) .. 34 OAM(ETH-EXP).. 35 OAM (ETH-VSP) .. 35 8 OAM .. 36 (ETH-LM) .. 36 ETH-LM .. 38 ETH-LM .. 39 (ETH-DM) .. 40 1- ETH-DM .. 41 2- ETH-DM .. 42 .. 43 9 OAM PDU .. 43 OAM .. 44 OAM PDU .. 45 CCM PDU .. 47 CCM.

3 47 CCM PDU .. 48 LBM PDU .. 50 LBM .. 50 LBM PDU .. 51 LBR PDU .. 53 LBR .. 53 LBR PDU .. 53 LT M PDU .. 54 LT M .. 54 LT M P D U .. 55 LT R PDU .. 56 LT R .. 56 LT R P D U .. 56 AIS PDU .. 59 5 AIS .. 59 AIS PDU .. 59 LCK PDU .. 60 LCK .. 60 LCK PDU .. 61 TST PDU .. 61 TST .. 61 TST PDU .. 62 APS PDU .. 63 APS .. 63 APS PDU .. 64 MCC PDU .. 64 MCC .. 64 MCC PDU .. 65 LMM PDU .. 65 LMM .. 66 LMM PDU .. 66 LMR PDU .. 67 LMR .. 67 LMR PDU .. 67 1DM PDU .. 68 1DM .. 68 1DM PDU .. 68 DMM PDU .. 69 DMM .. 69 DMM PDU .. 69 DMR PDU .. 70 DMR .. 70 DMR PDU .. 71 EXM PDU.

4 71 EXM PDU .. 72 EXM PDU .. 72 EXR PDU .. 72 EXR .. 72 EXR PDU .. 73 VSM PDU .. 73 VSM PDU .. 74 VSM PDU .. 74 VSR PDU .. 74 6 VSR .. 75 VSR PDU .. 75 10 OAM .. 75 .. 76 CCM .. 76 LBM .. 77 LBR .. 77 LT M .. 77 LT R .. 77 AIS .. 77 LCK .. 77 TST .. 77 APS .. 77 MCC .. 77 LMM .. 78 LMR .. 78 1DM .. 78 DMM .. 78 DMR .. 78 EXM .. 78 EXR .. 78 VSM .. 78 VSR .. 78 A MEG ID .. 80 I .. 82 II .. 86 III .. 88 IV OAM .. 92 V .. 93 VI IEEE .. 94 5 < > ITU-T 2008 1 2010 2 24 TTC (1) TTC JT-G805v1 ITU-T G8031 IEEE 802-2001 1588-2002 MEF MEF 10(2004) 6 ETH OAM OAM 1 ETH OAM OAM OAM ETH ETH OAM ETH ( NMS OSS )

5 ITU-T IEEE IEEE IEEE OAM ETH OAM 2 ITU-T ITU-T [TTC JT-G805] (1999) [ITU-T ] ITU-T Recommendation 2000 Generic functional architecture of transport networks [ITU-T ] ITU-T Recommendation 2006 Characteristics of transport equipment - Description methodology and generic functionality [ITU-T ] ITU-T Recommendation 2003 Functional architecture of connectionless layer networks [ITU-T ] ITU-T Recommendation 2002 End-to-end error performance parameters and objectives for international, constant bit-rate digital paths and connections [ITU-T ] ITU-T Recommendation 2001 Common equipment management function requirements [ITU-T ] ITU-T Recommendation 2004 Architecture of Ethernet 7 layer networks [ITU-T ] ITU-T Recommendation 2004 Characteristics of Ethernet transport network equipment functional blocks [ITU-T ]

6 ITU-T Recommendation 2006 Ethernet protection switching [ITU-T ] ITU-T Recommendation 2006 Designations for interconnections among operators' networks [ITU-T ] ITU-T Recommendation 1996 General requirements for instrumentation for performance measurements on digital transmission equipment [ITU-T ] ITU-T Recommendation 1992 International Reference Alphabet (IRA) (Formerly International Alphabet No. 5 or IAS) - Information technology - 7-bit coded character set for information interchange [ITU-T ] ITU-T Recommendation 2004 Requirements for OAM functions in Ethernet-based networks and Ethernet services [IEEE 802-2001] IEEE Standard for Local and Metropolitan Area Networks: Overview and Architecture [IEEE ] IEEE Standard for Local and Metropolitan Area Networks: Media Access Control (MAC) Bridges [IEEE ] IEEE Standard for Local and Metropolitan Area Networks: Virtual Bridged Local Area Networks [IEEE ] Information Technology - Telecommunications and Information Exchange Between Systems - LAN/MAN - Specific Requirements - Part 3.

7 Carrier Sense Multiple Access with Collision Detection (CSMA/CD) Access Method and Physical Layer Specifications [IEEE 1588-2002] IEEE Standard for a Precision Clock Synchronization Protocol for Networked Measurement and Control Systems MEF 10 (2004) Ethernet Services Attributes: Phase 1 3 adaptation: [ITU-T ] adapted information: [ITU-T ] client/server relationship: [ITU-T ] connection point: [ITU-T ] connectionless trail: [ITU-T ] defect: [ITU-T ] ETH ETH link: [ITU-T ] 8 ETH ETH trail: [ITU-T ] failure.

8 [ITU-T ] flow: [ITU-T ] flow domain: [ITU-T ] flow domain flow: [ITU-T ] flow point: [ITU-T ] flow point pool: [ITU-T ] flow point pool link: [ITU-T ] flow termination: [ITU-T ] flow termination sink: [ITU-T ] flow termination source: [ITU-T ] layer network : [ITU-T ] link.

9 [ITU-T ] link connection: [ITU-T ] link flow: [ITU-T ] multipoint Ethernet connection: [ITU-T ] multipoint Ethernet connectivity: [ITU-T ] network : [ITU-T ] network connection: [ITU-T ] network operator: [ITU-T ] organizationally unique identifier: [IEEE 802] point-to-point Ethernet connection:[ITU-T ] port.

10 [ITU-T ] reference point: [ITU-T ] service provider: [ITU-T ] termination connection point: [ITU-T ] termination flow point: [ITU-T ] termination flow point pool: [ITU-T ] traffic unit: [ITU-T ] transport: [ITU-T ] transport entity: [ITU-T ] transport processing function: [ITU-T ] trail: [ITU-T ] trail termination.