Ralph Santitoro Director, Strategic Market Development SDNs and Network Virtualization: Evolving Packet Optical Networking in a Cloud-centric World The Marriott Marquis | New York, NY | Tuesday, May 14th, 2013

Light Reading POTE 5/14/13 Topics to be discussed Network evolution to a more cloud-centric model Multi-Layer SDN control Making networks more “programmable” SDN and Network Virtualization 2 © Copyright 2013 Fujitsu Network Communications. All Rights Reserved.

Light Reading POTE 5/14/13 3 Melding of Worlds CloudServices IT World CloudServices WANServicesTelecomsWorldWANServicesTelecomsWorld On Demand Automated Elastic Programmable Services On Demand Automated Elastic Programmable Services Cloud applications changing how WAN services are used Packet Optical Networking must evolve to support this new reality WAN Services Long service lifecycle Manual service activation Infrequent changes Proprietary © Copyright 2013 Fujitsu Network Communications. All Rights Reserved. Cloud Services Short service lifecycle Automated service activation Frequent changes (Elastic) Open and Programmable

Light Reading POTE 5/14/13 4 Multi-Layer SDN Control SDN benefits increase as more layers are controlled Packet vs. Optical Technology Layers Ethernet/MPLS (Packet) Layer OTN/WDM (Optical) Layer Infrastructure vs. Service Layers Optical Transport Layer Service Layer (Ethernet Services) Service Layer (L1 Services) © Copyright 2013 Fujitsu Network Communications. All Rights Reserved. 4 Optical Transport Layer Packet Layer More Functions to Control Fewer Functions to Control Ethernet Service Layer 1 Private Line

Light Reading POTE 5/14/13 Multi-Layer SDN Control SDN benefits differ depending upon network layer Ethernet Service Layer Many, frequent changes SDN goal: Accelerate service instantiation for faster time to revenue Optical Transport (Infrastructure) Layer Few, infrequent changes SDN goal: Optimize network resource utilization 5 © Copyright 2013 Fujitsu Network Communications. All Rights Reserved. Optical Transport Layer Ethernet Service Layer

Light Reading POTE 5/14/13 Programmability Networks vs. Devices and Cloud Environments Devices and Cloud Environments Easy to program Singular, technology-abstracted environments Open, standardized, and “de facto” APIs and development tools Networks: Difficult to program Multi-vendor, Multi-technology with limited technology-abstraction Diversity of protocols (standard & proprietary), interfaces and APIs for Network Elements and Management Systems 6 © Copyright 2013 Fujitsu Network Communications. All Rights Reserved.

Light Reading POTE 5/14/13 Programmable Networks from an SDN perspective.. like programming devices and cloud applications In the Southbound direction Abstracts networking technology/protocol details from NOS/Controller Provides vendor-independent programmability of network elements In the Northbound direction Provides network programmability (APIs) by software applications Abstracts networking technology details from the applications Enables “on-demand” capabilities just like Cloud apps enjoy today 7 Northbound APIs (network abstraction) Network OS/Controller Southbound APIs (technology abstraction) Network Element AppsAppsAppsAppsAppsApps Web 2.0 APIs for Apps to program network, e.g., REST, SOAP, JSON, XML Software adapters for NOS / Network Controller to NE protocols, e.g., OpenFlow, SNMP, NETCONF, TL1 © Copyright 2013 Fujitsu Network Communications. All Rights Reserved.

Light Reading POTE 5/14/13 Programmable Networks from a Network Functions Virtualization perspective Virtualized Network Functions (vNFs) Network Functions (NFs) moved out of NE and run elsewhere in the network Typically on a COTS blade servers in a data center More functions to virtualize as you move up the OSI stack Some NFs split between Network Element (NE) and blade server Part of vNF runs on NE to be “near” data plane to meet performance needs Part of vNF run on a blade server for scalability and simplified operations vNFs could be atomic functions or stitched together (service chaining) Atomic vNF: Frame Loss (FLR), Frame Delay (FD) and Availability measurements Service chaining of vNFs: SLA PM service (FLR + FD + Availability) 8 © Copyright 2013 Fujitsu Network Communications. All Rights Reserved. Optical Transport Layer Packet Layer More Functions to Virtualize Fewer Functions to Virtualize NFs NFs NFs NFs NFs NFs NFs NFs NFs NFs NFs NFs NFs NFs NFs vNFvNFvNF vNFvNFvNF vNF vNF vNFvNFvNF vNFvNFvNFvNF Blade Servers vNF vNFvNFvNF vNF

Light Reading POTE 5/14/13 Summary Packet Optical Networks need to evolve to support a more cloud-centric model SDN benefits vary based on network layer and number of layers controlled More benefits at the packet layer than the optical layer More benefits if both layers are controlled in tandem Networks must evolve to become more “programmable” SDN and Network Virtualization addressing this in different but complementary ways Network technology abstraction will greatly facilitate this 9 © Copyright 2013 Fujitsu Network Communications. All Rights Reserved.

Light Reading POTE 5/14/13 10 Copyright 2010 FUJITSU LIMITED