1. Ralph Santitoro Carrier Ethernet Market Development Ralph.Santitoro@us.Fujitsu.com 22 March 2011 Connection-Oriented Ethernet for Cloud-based Unified Communications Services

2. March 22, 2011 Unified Communications Bandwidth, QoS and Availability Requirements ApplicationBandwidthQoSAvailability IP Voice (uncompressed voice) CIR: 80-144 Kbps per call Bounded latency and loss High IP FaxCIR: 80 Kbps per callBounded lossHigh Email (e.g., Microsoft Exchange) EIRBest effortHigh Internet Conferencing (e.g., Microsoft Live Meeting) EIRBest effortHigh Dedicated Conferencing (e.g., Cisco Telepresence) CIR: 512+ Kbps per call (codec dependent) Bounded latency and loss High Workgroup file sharing (e.g., Microsoft Sharepoint) EIRBest effortHigh 2 Connection-Oriented Ethernet for Cloud-based UC Services. © Copyright 2011 Fujitsu Network Communications Apps require Guaranteed (CIR) BW alongside Oversubscribed (EIR) BW Cloud-based UC apps require high availability for business continuity

3. March 22, 2011 Challenges with Connectionless (Switched) Ethernet (CLE) in Carrier/Metro Ethernet Networks Non-Deterministic QoS and Traffic Patterns Variable QoS performance (Packet Delay, Delay Variation, Loss) Traffic paths vary due to spanning tree topology changes Difficult to traffic engineer variable traffic paths Difficult to Guarantee Bandwidth Multiple ingress and egress points in the network Oversubscribed (EIR) bandwidth impacts committed (CIR) bandwidth Difficult to provide High Network Availability Spanning Tree cannot meet demanding application requirements No end-to-end service protection 3 Connection-Oriented Ethernet for Cloud-based UC Services. © Copyright 2011 Fujitsu Network Communications Connection-Oriented Ethernet was invented to address these challenges

4. March 22, 2011 Connection-Oriented Ethernet (COE) The best of both worlds SONET Deterministic and precision QoS Bandwidth reserved per STS 99.999% Availability Highest Security (Layer 1 service) SONET Deterministic and precision QoS Bandwidth reserved per STS 99.999% Availability Highest Security (Layer 1 service) Connectionless Ethernet Layer 2 Aggregation Statistical Multiplexing Flexible Bandwidth Granularity Cost Effectiveness Connectionless Ethernet Layer 2 Aggregation Statistical Multiplexing Flexible Bandwidth Granularity Cost Effectiveness Connection-Oriented Ethernet COE provides the Flexibility and Scalability of Ethernet with the Performance, Reliability and Security of SONET Connection-Oriented Ethernet: A No-Nonsense Overview 4 Connection-Oriented Ethernet for Cloud-based UC Services. © Copyright 2011 Fujitsu Network Communications

5. March 22, 2011 COE Ecosystem 6 Attributes of Connection-Oriented Ethernet 5 Connection-Oriented Ethernet for Cloud-based UC Services. © Copyright 2011 Fujitsu Network Communications Standardized Services MEF Service Definitions MEF Service Attributes Security No Bridging: MAC DoS attacks mitigated No Bridging: MAC DoS attacks mitigated Completely Layer 2: No IP vulnerabilities Completely Layer 2: No IP vulnerabilities Deterministic QoS Lowest Packet Latency and Loss Bandwidth Resource Reservation Reliability / Availability 50ms EVC Protection UNI & ENNI Protection Ethernet OAM Link Fault Management EVC Fault Management Performance Monitoring Scalability Layer 2 Aggregation Statistical Multiplexing

6. March 22, 2011 Metro Ethernet Network FW CDS FW 9500 EoX Gateway UC Applications in Data Center IP Telephony Metro Ethernet Architecture for UC Services COE over Fiber, SONET and WDM Customer Premises GbE/10GbE FW 4100 ES SONET FW 4100 ES 6 Connection-Oriented Ethernet for Cloud-based UC Services. © Copyright 2011 Fujitsu Network Communications FW CDS FW 4100 ES SONET FW 4100 ES FW CDS GbE/10GbE FW CDS Conferencing Servers Email Servers File Share Servers UNI ENNI WDM Layer 2 IP

7. March 22, 2011 Ethernet over SONET (EoS) Challenges on SONET Multiservice Provisioning Platforms (MSPPs) EoS doesn’t support aggregation EoS is a port-based transport with no service multiplexing Ethernet switch added for aggregation EoS bandwidth dictated by SONET Container Size EoS bandwidth in 50Mbps STS increments Other bandwidth rates waste SONET bandwidth 7 Connection-Oriented Ethernet for Cloud-based UC Services. © Copyright 2011 Fujitsu Network Communications SONET MSPP Eth MSPP Eth MSPP 50Mbps SONET VCG 40Mbps wasted 10Mbps EVC (Telephony) 50Mbps SONET VCG 30Mbps wasted 20Mbps EVC (Conferencing) 50Mbps SONET VCG 30Mbps wasted 20Mbps EVC (File Sharing) 150Mbps of SONET BW for only 50Mbps of service BW

8. March 22, 2011 COE over SONET on Fujitsu’s Packet Optical Networking Platforms (P-ONP) COE supports EVC aggregation Aggregates EVCs onto higher speed Ethernet port COE aggregates EVCs onto same SONET VCG Can achieve 100% bandwidth utilization 8 Connection-Oriented Ethernet for Cloud-based UC Services. © Copyright 2011 Fujitsu Network Communications COE over SONET P-ONP Eth P-ONP Eth P-ONP 50Mbps 20Mbps EVC (File Sharing) 20Mbps EVC (Conferencing) 10Mbps EVC (Telephony) COE significantly improves BW efficiency over existing SONET network

9. March 22, 2011 High Availability Ethernet Services with COE Using Fujitsu FLASHWAVE Multi-level Fault Tolerance Architecture  Port protection via Link Aggregation  Link Aggregation across cards  Card protection (active/standby or active/active)  Protected Power, Switch Fabric, etc.  50ms Network Protection via SONET or G.8031  Working / Protect EMS/NMS Instances  In-Service System Software Upgrades Port Card Network Element Management NE Software Network Service High Availability Service  Ethernet Service OAM via 802.1ag and Y.1731 9 Connection-Oriented Ethernet for Cloud-based UC Services. © Copyright 2011 Fujitsu Network Communications COE on Fujitsu’s Packet Optical Networking Platforms provides the High Availability Ethernet required for Cloud-based UC services