1. Ralph Santitoro Director of Carrier Ethernet Market Development Ralph.Santitoro@us.fujitsu.com October 12, 2009 Wholesale Ethernet Access Services: New Revenue Stream for Competitive Operators

2. Speakers 2 © 2009 Fujitsu Network Communications, Inc. All rights reserved. Scott Sumner Vice President of Marketing ssumner@accedian.com Aamir Hussain Chief Technology Officer aahussai@covad.com Ralph Santitoro Director, Carrier Ethernet MarketDev Ralph.Santitoro@us.fujitsu.com Randolph C. Nicklas Chief Technology Officer rnicklas@xo.com

3. 3 © 2009 Fujitsu Network Communications, Inc. All rights reserved.

4. Wholesale Ethernet Access Challenges 4 Ethernet ENNI Ethernet RUNI Retail Service Provider Service Provider Partner Customer Premises © 2009 Fujitsu Network Communications, Inc. All rights reserved. SONET Ethernet rings DS-3s DS-1s SONET Ethernet PDH Access Network Copper Access Network WDM Access Networks How does one deliver Ethernet with a complex mix of access networks?

5. Wholesale Access Service Ethernet UNI / RUNI Requirements Deliver UNI on behalf of Partner Service Provider MEF Remote UNI (RUNI) VLAN ID and CoS ID Preservation Protected UNI Bandwidth Policing / Shaping Keep the traffic conformant to the SLA Ethernet Fault Management for RUNI Loopbacks, Link traces Must support for you and your service provider partner Ethernet Service Performance Monitoring Measure Delay, Delay Variation, Loss Required for SLA conformance Connection-oriented Ethernet Simpler to deploy than CLE Closely aligns with existing transport operations © 2009 Fujitsu Network Communications, Inc. All rights reserved. Ethernet RUNI Customer Premises 5

6. Wholesale Access Service Ethernet ENNI Requirements Flexible VLAN ID and CoS ID Marking/Mapping Don’t know if partner is delivering Layer 2 or IP service You don’t know your partner’s equipment limitations Ethernet 802.1p  IP DSCP/TOS C-Tag and S-Tag push/pop/swap VLAN ID and CoS ID Preservation Protected N x GbE or N x 10GbE ENNI ENNI Bandwidth Policing / Shaping Keep the traffic conformant to the SLA Ethernet Fault Management Loopbacks, Link traces Must support for you and your service provider partner Ethernet Service Performance Monitoring Measure Delay, Delay Variation, Loss Required for SLA conformance Connection-oriented Ethernet © 2009 Fujitsu Network Communications, Inc. All rights reserved. Retail Service Provider Service Provider Partner Ethernet ENNI 6

7. Introducing the EoX Gateway Adds/removes Layer 1 network encapsulation technologies GFP for bonded DS-1s GFP for Ethernet over SONET X.86 or GFP for bonded DS-3s Provides EoX Aggregation With Connection-oriented Ethernet Over protected Ethernet ENNI Deliver MEF-compliant wholesale Ethernet access services © 2009 Fujitsu Network Communications, Inc. All rights reserved. 7 Ethernet ENNI Retail Service Provider Service Provider Partner EoX Gateway accelerates service velocity SONET Ethernet rings DS-3s DS-1s SONET Ethernet PDH Access Network Copper Access Network WDM Access Networks EoX Aggregation FLASHWAVE 9500 EoX Gateway EoX Gateway FLASHWAVE 9500 EoX Gateway EoX Gateway

8. Putting it all together SONET Protected GbE/10GbE NxDS-3 NxDS-1 OC-n EoX Aggregation Unprotected GbE/10GbE Partner Service Provider GbE 8 xDSL CPE µMSPP µPONP µMSPP µPONP EoPDH NID EoPDH NID EoPDH NID EoPDH NID PDH Access Network Ethernet NID EoSEoS EoCuEoCu EoPDHEoPDH EoFEoF ENNI Retail Service Provider µPONP Eoλ Copper Access Network GbE/10GbE Access Network EoX Access UNI / RUNI µPONP IP DSLAM Retail Service Provider Customer Premises © 2009 Fujitsu Network Communications, Inc. All rights reserved. MSPP PONP MSPP PONP FLASHWAVE 9500 EoX Gateway EoX Gateway FLASHWAVE 9500 EoX Gateway EoX Gateway EoX Gateway Simplifies Wholesale Services over Any Access Network