1. Global Enterprise “ECL2” Cloud NTT Communications Enterprise Cloud 2 nd Generation OpenStack Cloud with KVM and BareMetal Servers NTT America | September 2016

2. Copyright © NTT Communications Corporation. All right reserved. Executive Summary Enterprise Cloud 2.0 meets a broad array of global requirements by providing public cloud and hosted private cloud (bare metal) across global standard locations Key Features and Architectural Design of ECL2.0 Differentiation with competitors and service menu descriptions. 2

3. Copyright © NTT Communications Corporation. All right reserved. Feature 2 Key Features of Enterprise Cloud 2.0 3 Feature 3 -Create Hybrid Clouds by combining with Hosted Private Cloud -Reduce time and cost of application development by utilizing Cloud Foundry PaaS and OpenStack ecosystem Realize lower-cost Global Disaster Recovery between global cloud data centers and between colocation racks in global data centers Feature 1 -Enable migration of existing private cloud (on-premises) into Cloud without changing management tools and APIs (e.g. Vmware vCenter, vCenter API etc) and network topology Hosted Private Cloud and Topology-Free Network Public Cloud with broad APIs including OpenStack API 10Gbps connection between remote data centers

4. Copyright © NTT Communications Corporation. All right reserved. Private and Public Cloud Service Server hardware is dedicated by single customer (Single Tenant) Server hardware is shared by multiple customers (Multi Tenant) Private Cloud (On-Premises) Hosted Private Cloud (HoPC) Private Cloud Multi- Hypervisor Bare Metal Hosted Private Cloud Public Cloud Shared Compute Type Dedicated Compute Type Virtual Private Cloud (VPC) Owned and operated by customer premises Owned and operated by provider in provider’s data center Compute resource and cloud controller is shared by multiple customers Compute resource is dedicated by single customer, but cloud controller is shared Connected to customer’s private network (VPN) on public cloud ECL2.0 EC1.0 Compute (Dedicated) EC1.0 VPN Connectivity ECL2.0 Compute (Shared) ECL2.0 Cloud n Public Cloud Category of Cloud Service Definition NTTCom’s Offerings Cloud n

5. Copyright © NTT Communications Corporation. All rights reserved. 5 Architecture of Services Designed on OpenStack-based MICRO-SERVICES framework to accelerate evolution of NTT Com’s platform Adopt both open-source components and proprietary development Feedback proprietary activities to upstream for community contribution Hosted Private Cloud Ctrl Layer Cloud Orchestration Layer Operation Portal Layer Middleware Layer Switch/Router Layer Network Ctrl Layer Cloud Management Platform GUI (Horizon) Ticketing Hyper-V Controller Storage Controller （ Cinder) Virtual Network Appliance Controller Interconnection Controller SDN (Physical Switch) Internet Router Cloud-GW Router Glance (Image) Keystone (Identity) PaaS (Cloud Foundry) Nova (Compute) Nova+Ironic (Bare metal) Storage Controller Ceilometer (Metering) Network Controller (Neutron compatible) OpenStack componentOpenStack Compatible APIsSelf Developed SDN (Logical Switch) Identity Metering Layer API-GW vCenter Controller OpenStack based Architecture IaaS Components Other OSS As of Dec 2015 sample image

6. Copyright © NTT Communications Corporation. All rights reserved. 6 Implementation Overview by Service Layer Portal Compute Network Storage Neutron (Network) Nova (Multi Tenant Compute) Glance (Image) Cinder (Block Storage) Swift (Object Storage) Keystone (Identity) Horizon (Dashboard) Management Heat (Orchestration)Ceilometer (Metering) Trove (Database) Sahara (Hadoop) PaaS Manila (File Storage) Cloud Foundry Nova ＋ Ironic (Bare Metal) Implemented Compatible Not Implemented Other OSS Legend: (Next- Generation Cloud)

7. Copyright © NTT Communications Corporation. All rights reserved. 7 Logical Network Design 1/2 VPN Inet Bare Metal VM Controllers LB L3 Storage VM KVM VMVM VMVM VMVM VMVM Storage SDN VM KVM StorageBare Metal VM (Nova) External Connectivity -On Next-Generation Cloud platform network, customer network traffic is isolated into Data, Storage, and Control (API) Planes, and each Plane is hosted by separate switches -Storage & Control Planes are not impacted by data traffic congestion (i.e. DDoS attacks) -SDN Network bandwidth expandable to 160G based on non-blocking clos topology design -Connection with devices are all 10G to connect to SDN network -No SPOF design on all devices (SW, storage, server, gateway) with port/line card level in consideration 40G 10G Data Storage Control(API)

8. Copyright © NTT Communications Corporation. All rights reserved. 8 Logical Network Design (2/2) VPN Inet Bare Metal VM Controllers LB L3 Storage VM KVM VMVM VMVM VMVM VMVM Storage SDN VM StorageBare Metal VM (Nova) External Connectivity -Using SDN technologies, any Layer 2 logical network can be configured across Bare Metal, VM, Storage, and GW -Customer can freely choose between logically protected Storage Plane, or externally connected (Internet / VPN) Data Plane -Customer can freely carry-in IP addresses from customer’s environment -Seamless system migration is possible, including the move of IP address on VM to Bare Metal KVM Data plane Storage plane To-be

9. Copyright © NTT Communications Corporation. All right reserved. Enterprise Cloud: Next-Generation SDN NTT Com Existing Cloud 3rd party clouds SDN Enterprise Cloud (Next-Gen Cloud) Dedicated Multi-Hypervisor Public Cloud Hosted Private Cloud Shared Bare Metal 15 Locations in 12 Countries/Regions (planned)

10. Copyright © NTT Communications Corporation. All rights reserved. 10 Region, Zone, & Group Concepts 10G Best Effort Network XXX Region UK Region JP East Region Datacenter A Zone a Group A US East Region Group B Datacenter D Zone a Group A On Next-Generation Cloud, The concept of “Region” “Zone” and “Group” are defined. By selecting appropriate resource units, customers can construct highly redundant systems and DR solutions If resources are limited in one datacenter, “Zone” can be logically expanded across multiple datacenters by design for added resource scalability VM DR Resource Expansion Clustering Next-Generation Cloud Resource Expansion

11. Copyright © NTT Communications Corporation. All right reserved. Differentiating from Competitors 11 FeatureFunctionUse Case Enterprise Cloud IBM Softlayer AWS Hosted Private Cloud Multi-hypervisor Bare Metal High performance storage (cloning etc) Migration from Private Cloud including management tool e.g. Migrate vSphere environment with vCenter and API ○○× Public Cloud Virtual server (OpenStack) Auto scale out PaaS Online sign up Application Development by utilizing API and PaaS, OpenStack ecosystem. e.g. Cloud-native application which needs flexibility, agility, and cost optimization △ ○ ◎ Seamless Connectivity Colocation hybrid Remote DC connectivity VPN direct connectivity Topology free NW NW API -Global DR between global data centers -Migrate system on-premise without changing network topology ◎ △△ Management Cloud Management Platform Managed Service Security Uniformed management of multiple systems based on AWS/Azure IaaS as well as NTT Com’s cloud services by CMP ○○ × 3 rd party service Enhanced, Hosted Private Cloud as well as Management to increase competitiveness against other public Cloud providers, such as AWS, etc. in enterprise business By providing seamless accessibility and high-reliability for ICT infrastructure, such as colocation connectivity, inter-DC connectivity, and VPN connectivity, etc., we intend to differentiate from IBM / Softlayer [Legend] ◎： Support all functions & maintain originalities, ○ ： Support all functions, △： Support functions partly, × ： No functions

12. Copyright © NTT Communications Corporation. All right reserved. Appendix - ECL2.0 Features and Specs. (Compute) 12 Hosted Private Cloud FlavorCPU processing capacityCPU(GHz) Physical CPU Cores (CPU Sockets) Memory(GB)Disk(GB)RAIDNIC General PurposeIntel Xeon E5-2600v22.624 (2)256500 x 2110Gbps x 4 Physical Servers can be configured by API or from Customer Portal. When creating servers, Availability Zone is an option. Currently only one ‘flavor’ of physical server, but in future we are going to have several flavors. FlavorCPU coresMemory(GB)Root DiskData DiskvNICNotes 1CPU-4GB14 Depends on each template From 1GB to 1TB 10Gbps From 1vNIC to 8vNIC Auto scale from Customer Portal will be available in or after Apr, 2016 2CPU-8GB28 4CPU-16GB416 8CPU-32GB832 16CPU-64GB1664 Virtual Servers can be configured by API or from Customer Portal. When creating servers, Availability Zone is an option. Storage TypeInterfaceThroughput Added Function Block Storage Guaranteed IOPS iSCSI2 IOPS/GB Snap shot available OS WindowsWindows Server 2012 R2 Standard Edition Windows Server 2012 R2 Data Center Edition LinuxRed Hat Enterprise Linux 7.1 Cent OS 7.1 [Physical Server Performance] [Hypervisor] vCenter, Hyper-V, none(Bare Metal) Public Cloud(OpenStack)

13. Copyright © NTT Communications Corporation. All right reserved. FeaturesImprovements from EC1.0SpecsImprovements -VPN Connectivity -Routing -Port Bandwidth control -Multiple Gateway available -Multiple VPN connectivity available Best Effort 100M or 1Gbps 1Gbps Best Effort available Guaranteed From 10M to 1Gbps (Not changed) -Internet Connectivity -Routing -Port Bandwidth control -Global IP Addressing Plan to add IPV6 Support Best Effort From 10M to 1Gbps (Not changed) Guaranteed From 1M to 1Gbps (Not changed) Global IP(IPv4)*(TBD) Global IP(IPv6)*(New Feature) -Layer3 Connection(New Feature) Best Effort 10Gbps (New Feature) -Layer2 Connection -VLAN trunking (New Feature)10Gbps(New Features) -Layer2 Connection -VLAN trunking (Not changed)1Gbps(Not changed) ECL2.0 Features and Specs. (Network) 13 VPN Connectivity Internet Connectivity Collocation Interconnectivity EC2.0 to EC2.0 Interconnectivity EC2.0 to EC1.0 Interconnectivity *: Address range is under discussion

14. Copyright © NTT Communications Corporation. All right reserved. FeaturesImprovements from EC1.0SpecsImprovements -Layer 2 connection -IP address management(IPv4) -Isolated network segment (Application network and storage network) -Global IP is available as Subnet Address Firewall features (conform to Vyatta’s specification) -Routing -Filtering -Tunneling -QoS -Monitoring and Reporting etc. -Vyatta management -Configuration -Software Firewall on VM -No restriction in principle -Multiple Firewall available -Selectable (Not essential) Load Balancer features (conform to NetScaler’s specification) -Load balancing (L4/L7) -Accelerator -Security -NetScaler management -Configuration -Software Load Balancer on VM -No restriction in principle -Sharable beyond segment ECL2.0 Features and Specs. (Network) 14 Enhanced subnet Firewall Load Balancer Network Segment (Under discussion) Subnet Mask /32 and greater /29 ～ /24 VM Spec. 2CPU-8GB 4CPU-16GB 8CPU-32GB 16CPU-64GB throughput capacity depends on VM spec. 2CPU-8GB-10Mbps 2CPU-8GB-50Mbps 2CPU-8GB-200Mbps 4CPU-16GB-1Gbps 4CPU-16GB-3Gbps Improved throughput Vyatta 5600 vRouter NetScaler VPX Standard Spec.

15. Copyright © NTT Communications Corporation. All right reserved. ECL2.0 Features and Specs. (Others) 15 FeaturesImprovements from EC1.0Specs Monitoring -Data collection/Store -Graph or Reporting -Action configuration -Monitoring item list -Alert log -API -Threshold-based action available -API for downloading data file available -Data retention period: 32days Support -Paid Support -Free Support -Primary response: 24x7 with SLA for response time -Paid Support has a SLA for initial response time Paid Support - Language: Japanese or English -Support Center(Tier1): 24x7 -Initial Response: 24x7 with SLA for response time -Access to support: Phone, email and Customer Portal Free Support - Language: Japanese or English -Support Center(Tier1): 24x7 -Initial Response: Local business hours without any SLA for support -Access to support: email and Customer Portal Service Order -Service Order/Cancel -Inquiry detailed contract and/or Change order -Refer to detailed billing -Online Service Order, Cancel, Inquiry or Change Order available via Business Portal -API for referring to detailed billing available

16. Copyright © NTT Communications Corporation. All right reserved. Service Menu CategoryFeature Portal Cloud Management Platform Compute Bare Metal server Virtual Machine vSphere Hyper-V Storage Block Storage Network Internet connection VPN connection Colocation connection Enterprise Cloud connection DC-DC network connection Logical Network Firewall LoadBalancer Security Network Security Host-based security Management Monitoring Managed Option (GMOne) Application Oracle SAP HANA PaaS OSS/BSS Order management, Customer management, Ticket, Billing