1. Core Wholesale EVC Option I Service Edge router connects via E-Tree service with e.g. 20 ATM DSLAMs located in offices  Rooted-mp EVC starts in router and ends in DSLAMs  PTN and ISP share the EVC  Few (e.g. 21) MAC addresses in rmp EVC Service Edge Router ATM DSLAM Whole sale Access Metro Core Metro Edge HOME GWAY I PHONE STB PC IP PPPoA  PPPoE 802.3 EVP 802.3 DSL 802.3 (rmp) EVCATM VC MAC TAG VCI PTN 802.3 LSP 802.3 LSE LSE/MAC C-Tag S-Tag PW-LSE LSP-LSE PW-LSE LSP-LSE C-Tag

2. Core Wholesale EVC Option II Service Edge Router VDSL2 or Fiber DSLAM Whole sale Access Metro Core Metro Edge HOME GWAY II PHONE STB PC IP PPP/DHCP 802.3 EVP 802.3 DSL 802.3 (rmp) EVC LSP C-MAC  PCC-MAC 802.3 LSETAG LSE/MAC TAG PTN C-Tag S-Tag PW-LSE LSP-LSE PW-LSE LSP-LSE C-Tag Service Edge router connects via E-Tree service with e.g. 20000 subscribers connected to e.g. 100 VDSL2 or fiber DSLAMs located in street cabinets  Rooted-mp EVC starts in router and ends in Home Gateways  PTN, ISP and HGW share the EVC  Many (up to e.g. 20000) MAC addresses in rmp EVC  Translate Customer MAC addresses into Provider Controlled Customer MAC addresses with subnet structure (N (e.g. 36) MSB identify DSLAM) and learn 100 subnet MAC addresses in PTN

3. VDSL2 or Fiber DSLAM Core Wholesale EVC Option III Service Edge Router Whole sale Access Metro Core Metro Edge HOME GWAY III PHONE STB PC IP PPP/DHCP 802.3 EVP 802.3 DSL 802.3 (rmp) EVC LSP C-MAC  PCC-MAC 802.3 LSETAG LSE/MAC TAG PTN C-Tag S-Tag PW-LSE LSP-LSE PW-LSE LSP-LSE C-Tag Service Edge router connects via E-Tree service with e.g. 20000 subscribers, (each with up to e.g. 16 end terminals) connected to e.g. 100 VDSL2 or fiber DSLAMs located in street cabinets  Rooted-mp EVC starts in router and ends in End Terminals  PTN, ISP and End Terminals share the EVC  Many (up to e.g. 80000) MAC addresses in rmp EVC  Translate Customer MAC addresses into Provider Controlled Customer MAC addresses with subnet structure (N (e.g. 36) MSB identify DSLAM, M (e.g. 44) MSB identify subscriber) and learn 100 subnet MAC addresses in PTN and 200 subnet MAC addresses in DSLAMs

4. Core Wholesale EVC Option I Maintenance Entity Group (MEG) example The top level EVC MEG has its endpoints in the router and DSLAMs. It may have MIPs in the wholesale access node’s UNI-N port card. Pro-active OAM may used to check status of the EVC. The PTN has its own EVC MEG with endpoints in the wholesale access node’s UNI-N port card and DSLAMs. It may have MIPs in the wholesale access node’s line port card, metro core and metro edge nodes. Pro-active OAM will check status of the EVC in the PTN. Service Edge Router ATM DSLAM Whole sale Access Metro Core Metro Edge HOME GWAY I PHONE STB PC IP PPPoA  PPPoE 802.3 EVP 802.3 DSL 802.3 (rmp) EVC ATM VC MAC TAG VCI PTN 802.3 LSP 802.3 LSE LSE/MAC C-Tag S-Tag PW-LSE LSP-LSE PW-LSE LSP-LSE C-Tag MEG (level 7) MEG (level 4)

5. Core Wholesale EVC Option II Maintenance Entity Group (MEG) example Service Edge Router VDSL2 or Fiber DSLAM Whole sale Access Metro Core Metro Edge HOME GWAY II PHONE STB PC IP PPP/DHCP 802.3 EVP 802.3 DSL 802.3 (rmp) EVC LSP C-MAC  PCC-MAC 802.3 LSETAG LSE/MAC TAG PTN C-Tag S-Tag PW-LSE LSP-LSE PW-LSE LSP-LSE C-Tag The top level EVC MEG has its endpoints in the router and home gateways. It may have MIPs in the wholesale access node’s UNI-N port card and in the DSLAMs. On-demand OAM can be used to check status of the EVC after subscriber complaint. The PTN has its own EVC MEG with endpoints in the wholesale access node’s UNI-N port card and DSLAMs. It may have MIPs in the wholesale access node’s line port card, metro core and metro edge nodes. Pro-active OAM will check status of the EVC in the PTN. MEG (level 7) MEG (level 4)

6. VDSL2 or Fiber DSLAM Core Wholesale EVC Option III EVC Maintenance Entity Group (MEG) example Service Edge Router Whole sale Access Metro Core Metro Edge HOME GWAY III PHONE STB PC IP PPP/DHCP 802.3 EVP 802.3 DSL 802.3 (rmp) EVC LSP C-MAC  PCC-MAC 802.3 LSETAG LSE/MAC TAG PTN C-Tag S-Tag PW-LSE LSP-LSE PW-LSE LSP-LSE C-Tag The top level EVC MEG has its endpoints in the router and end terminal devices. It may have MIPs in the wholesale access node’s UNI-N port card, in the DSLAMs and in the home gateways. On-demand OAM can be used to check status of the EVC after subscriber complaint. The PTN has its own EVC MEG with endpoints in the wholesale access node’s UNI-N port card and DSLAMs. It may have MIPs in the wholesale access node’s line port card, metro core and metro edge nodes. Pro-active OAM will check status of the EVC in the PTN. MEG (level 7) MEG (level 4)