Layer Diagrams 1 2 the RPR Layer Model Diagrams for Each of the Clauses Are Shown Below

IEEE Draft P802.17/D2.2 RESILIENT PACKET RING (RPR) April 9, 2003

1.1 Layer diagrams 1 2 The RPR layer model diagrams for each of the clauses are shown below. Figure 1.1 is for Clause 1. 3 4 OSI RPR LAYERS 5 REFERENCE 6 MODEL LAYERS 7 8 Higher layers 9 Application 10 MAC service Presentation Logical link control (MAC client) interface 11 12 Session MAC control Topology and 13 Transport Fairness protection OAM 14 15 Network MAC datapath PHY service 16 interface Data link 17

Physical layer 18 Physical 19 Medium 20 21 Figure 1.1—RPR service and reference model relationship to the 22 ISO/IEC Open Systems Interconnection (OSI) reference model 23 24 25 Figure 1.2 is for Clause 5. 26 27 OSI RPR LAYERS REFERENCE 28 MODEL 29 LAYERS 30 Higher layers 31 Application 32 MAC service 33 Presentation Logical link control (MAC client) interface 34 Session MAC control 35 Topology and 36 Fairness OAM Transport protection 37 38 Network MAC datapath PHY service interface 39 Data link 40 Physical layer Physical 41 42 Medium 43 44 Figure 1.2—RPR service and reference model relationship to the 45 ISO/IEC Open Systems Interconnection (OSI) reference model 46 47 48 49 50 51 52 53 54

1 Figure 1.3 is for Clause 6. 2 3 OSI 4 REFERENCE RPR LAYERS 5 MODEL LAYERS 6 7 Higher layers 8 Application 9 Presentation Logical link control (MAC client) 10 11 Session MAC control Topology and 12 Transport Fairness protection OAM 13 14 Network MAC datapath 15 Data link 16 Physical layer 17 Physical

18 Medium 19 20 Figure 1.3—MAC datapath sublayer relationship to the 21 ISO/IEC Open Systems Interconnection (OSI) reference model 22 23 24 Figure 1.4 is for Clause 7. 25 OSI 26 REFERENCE RPR LAYERS 27 MODEL LAYERS 28 Higher layers 29 Application 30 Logical link control (MAC client) 31 MAC control 32 Presentation Topology and 33 Fairness protection OAM 34 Session 35 MAC Datapath 36 Transport 37 PRS-1 or PRS-10 GRS SRS 38 Network GMII, SPI-x 39 XGMII, or XAUI GFP adaptation HDLC-like adaptation 40 Data link 41 PacketPHY SONET/SDH PHY 42 Physical 43 MDI 44 Medium Medium 45 46 GMII = Gigabit Media Independent MDI = Medium Dependent Interface 47 Interface PHY = Physical Layer Entity 48 PRS-1 = Gigabit PacketPHY SRS = SONET/SDH Reconciliation Reconciliation Sublayer Sublayer 49 PRS-10 = 10 Gigabit PacketPHY XAUI= 10 Gigabit Attachment Unit 50 Reconciliation Sublayer Interface GRS = GFP Reconciliation Sublayer XGMII = 10 Gigabit Media 51 MAC = Medium Access Control Independent Interface 52 53 Figure 1.4—RPR RS and PHY relationship to the 54 ISO/IEC Open Systems Interconnection (OSI) reference model

Figure 1.5 is for Clause 9. 1 2 OSI 3 REFERENCE RPR LAYERS 4 MODEL 5 LAYERS 6 Higher layers 7 Application 8 Presentation Logical link control (MAC client) 9 10 Session MAC control 11 Topology and Transport Fairness protection OAM 12 13 Network MAC datapath 14 15 Data link 16 Physical layer Physical 17

Medium 18 19 20 Figure 1.5—Fairness control function relationship to the 21 ISO/IEC Open Systems Interconnection (OSI) reference model 22 23 Figure 1.6 is for Clause 10. 24 25 OSI 26 REFERENCE RPR LAYERS 27 MODEL 28 LAYERS 29 Higher layers 30 Application 31 32 Presentation Logical link control (MAC client) 33 Session MAC control 34 Topology and 35 Transport Fairness protection OAM 36

Network MAC datapath 37 38 Data link 39 Physical layer Physical 40 41 Medium 42 43 Figure 1.6—Topology and protection control function relationship to the 44 ISO/IEC Open Systems Interconnection (OSI) reference model 45 46 47 48 49 50 51 52 53 54

1 Figure 1.7 is for Clause 11. 2 3 OSI 4 REFERENCE RPR LAYERS 5 MODEL LAYERS 6 7 Higher layers 8 Application 9 Presentation Logical link control (MAC client) 10 11 Session MAC control Topology and 12 Transport Fairness protection OAM 13 14 Network MAC datapath 15 Data link 16 Physical layer 17 Physical

18 Medium 19 20 Figure 1.7—OAM control function relationship to the 21 ISO/IEC Open Systems Interconnection (OSI) reference model 22 23 24 Figure 1.8 is for Clause 12. 25 OAM LAYERS 26 OSI RPR LAYERS REFERENCE 27 MODEL 28 LAYERS SME

29 Higher layers 30 Application 31 MLME_GET/SET Logical link control (MAC client) 32 Presentation

33 Session MAC control 34 Topology and MLME (MIB) Fairness OAM 35 Transport protection 36 Network 37 MAC datapath 38 Data link 39 Physical layer Physical 40 41 Medium 42 43 Figure 1.8—Management entities relationship to the 44 ISO/IEC Open Systems Interconnection (OSI) reference model 45 46 47 48 49 50 51 52 53 54

1 2 Figure 1.9 is for Annex B. 3 4 OSI REFERENCE RPR LAYERS 5 MODEL 6 LAYERS 7 Higher layers 8 Application Logical link control (MAC client) 9 10 MAC control Presentation 11 Topology and Fairness protection OAM 12 Session 13 MAC Datapath 14 Transport 15 PRS-1 or PRS-10 GRS SRS 16 Network 17 GMII, SPI-x XGMII, 18 or XAUI GFP adaptation HDLC-like adaptation 19 Data link 20 PacketPHY SONET/SDH PHY 21 Physical MDI 22 Medium Medium 23 24 25 GMII = Gigabit Media Independent MDI = Medium Dependent Interface Interface PHY = Physical Layer Entity 26 PRS-1 = Gigabit PacketPHY SRS = SONET/SDH Reconciliation 27 Reconciliation Sublayer Sublayer PRS-10 = 10 Gigabit PacketPHY XAUI= 10 Gigabit Attachment Unit 28 Reconciliation Sublayer Interface 29 GRS = GFP Reconciliation Sublayer XGMII = 10 Gigabit Media MAC = Medium Access Control Independent Interface 30 31 Figure 1.9—Reconciliation sublayer relationship to the 32 ISO/IEC Open Systems Interconnection (OSI) reference model 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54

1 2 Figure 1.10 is for Annex C. 3 4 OSI REFERENCE RPR LAYERS 5 MODEL 6 LAYERS 7 Higher layers 8 Application Logical link control (MAC client) 9 10 MAC control Presentation 11 Topology and Fairness protection OAM 12 Session 13 MAC Datapath 14 Transport 15 PRS-1 or PRS-10 GRS SRS 16 Network 17 GMII, SPI-x XGMII, 18 or XAUI GFP adaptation HDLC-like adaptation 19 Data link 20 PacketPHY SONET/SDH PHY 21 Physical MDI 22 Medium Medium 23 24 25 GMII = Gigabit Media Independent MDI = Medium Dependent Interface Interface PHY = Physical Layer Entity 26 PRS-1 = Gigabit PacketPHY SRS = SONET/SDH Reconciliation 27 Reconciliation Sublayer Sublayer PRS-10 = 10 Gigabit PacketPHY XAUI= 10 Gigabit Attachment Unit 28 Reconciliation Sublayer Interface 29 GRS = GFP Reconciliation Sublayer XGMII = 10 Gigabit Media MAC = Medium Access Control Independent Interface 30 31 Figure 1.10—Reconciliation sublayer relationship to the 32 ISO/IEC Open Systems Interconnection (OSI) reference model 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54