China Unicom Global MPLS-VPN. China Coverage. Core

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1 China Coverage China Unicom Global service is deployed on CUnet - a carrier Level IP over DWDM backbone IP network of capacity at 40Gbps+ CUnet is build with self-healing capability to ensure the greatest network reliability provided to customer China Unicom Global domestic network covered following 180 cities in Mainland China Heilongjiang Jilin Xinjiang Inner Mongolia Liaoning Beijing Shenyang Hebei Tibet Qinghai Ningxia Gansu Sichuan Shaanxi Shanxi Henan Hubei Shandong Jiangsu Anhui Xi an Shanghai Wuhan Guizhou Hunan Zhejiang Jiangxi Fujian Chengdu Core Yunnan Guangxi Guang dong HONG KONG Guangzhou hq-cug-market@chinaunicom.cn

2 China Unicom Global International Coverage China Unicom Global has established its ON-NET MPLS PoPs in Hong Kong, Taiwan, Los Angeles, New York, San Jose,London, Frankfurt, Tokyo and Singapore All China Unicom Global MPLS PoPs can provide PE and ASBR for customer and partner network interconnections. All China Unicom Global MPLS PoPs can provide PE and ASBR for customer and partner network interconnections. MPLS PoPs, including PoPs in China are configured in the same AS domain within CUnet Through MPLS NNI with overseas carrier partners, the service coverage is further globally expanded beyond China China Unicom Global service have reached 200 countries through a number of NNIs (known as Extended-Net ) POP/VPOP hq-cug-market@chinaunicom.cn

3 Customer Network Enterprise IGP Enterprise IGP CEI PE1 MP-iBGP PE2 CE2 MP-eBGP P1 P2 MP-eBGP IPv4 IPv6 IPv4 IPv4 IPv4 IPv4 IPv6 24/7 7x24 real-time network monitoring 3-levels \ 5-levels QOS Network management and analysis Guarantee Mean time to repair(mttr)guarantee: 4 hours Customer Access China Unicom MPLS VPN China Unicom MPLS VPN China Unicom MPLS VPN Committed Bandwidth -N*64K-2M, 4M,8M,10M, Over10M Local access technology -DDN,PDH, SDH,Ether/FE and fiber Customer Network Customer Network Customer Network Physical Interfaces -V.35,G.703,Ethernet,SDH or optical interface hq-cug-market@chinaunicom.cn

4 5 COS QoS IPP Ingress Egress Application RT-Vo 5 Traffic is limited at the contract bandwidth, traffic higher than contract bandwidth will be discarded, EXP=4 LLQ (PQ), traffic higher than contracted bandwidth will be Real time application: Voip RT-Vi 4 EXP=3 Video Data 1 3,6,7 Very important data: ERP Data 2 2 Important data Data 3 0,1 Normal data Service Benefits Reduce Operational Risks As the first carrier to offer in China, we have extensive experience and a proven track record of performance with operations. Our expertise with translates to a better understanding of customers applications and QoS parameters resulting in higher network performance levels with lower operational risks for our customers. Flexible Networking Options and Lower Operational Cost China Unicom Global s flexible international networking options, simplified client management requirements and fully integrated One-Stop-Shopping service, provide enterprise customers with a scalable network platform with lower operating costs. Abundant Overseas Network and Service Resources Through China Unicom Global s own international network and comprehensive worldwide partnerships, our global service allows customers to gain access to extensive international network infrastructure, in-country facilities and committed services. and support resources. Managed CPE China Unicom Global offers an optional managed router service that includes procurement, configuration, installation, monitoring and ongoing maintenance. Support for Multiple Quality of Service Levels (5) Quality of Service levels offers enterprises customers more flexibility based on specific diversity and application requirements hq-cug-market@chinaunicom.cn

5 QOS QoS (Quality of Service) ensures the network provide the required service performance to the customer. Different applications will have different performance requirements in terms of throughput, latency, jitter and packet loss. QoS is achieved in China Unicom Global network through a number of coordinated techniques and methods enabled in the high-end core routers. Classification Categorize a packet within a specific group to define that packet and make it accessible for QoS handling on the network. Policing Control the maximum rate of traffic sent or received on an interface. Labeling Tag a packet to distinguish the attributes e.g. destination address, application type or service class, if required. Queuing A technique to ensure traffic is handled in order of the priority. Shaping A mechanism to control the volume of traffic being sent into network, and the rate at which the traffic is being sent. China Unicom Global service supports 3 CoS (Class of Services), 5 CoS Transparent CoS: 3 CoS: Platinum, Gold and Silver; 5 CoS: RT-Vo(Voice), RT-Vi(Video), D1(Data 1), D2(Data 2) and D3(Data 3); Transparent CoS: China Unicom Global could provide transparent CoS to our partners, both parties could further discuss to map each other actual NNI Customer traffic is processed within the China Unicom Global network according to the MPLS EXP BIT which its function is to mark the type of CoS handling. MPLS EXP BIT is set at the PE as the IP packet ingress to the two periods. China Unicom Global MPLS code replicated to MPLS EXP Bit for CoS handling. 3 COS Type IPP Ingress Egress Application Platinum 4, 5 EXP=4 LLQ Voice, Video. Performance -sensitive service Gold 2,6,7 EXP=3 Data applications Intranet. Silver 0,1,3 Delivery applications, Internet, file transfer, etc.

6 Customer Solution HD Video Streaming Global Video Conferencing Mission-critical applications China Unicom Global was the first carrier successfully introduce international in China. With our service, customers can transport IP protocols transparently over a metro, national, or international network. China Unicom Global Network in China CORE LAYER 7 Regional core nodes Full-mesh connection AGGREGATION LAYER 40 provincial nodes Double uplinks to core layer ACCESS LAYER 130 city nodes Covering all cities in China Features & Benefits CHINA Capability 180+ PoPs in mainland China 20+ International PoPs Full Meshed Core Network Support 5 Class of Service Levels NNI coverage across 200 countries Reliability Fully redundant network (AS9929) High performance SLA 7x24x365 NOC Valued Added Service Bandwidth Option N x 64K, 2M, 45M, 155M, 10M, 100M, 1G IPv4/IPv6 Supported Real-Time Traffic Monitoring 3G/4G Backup Solution Multicast Service Monthly Traffic Report Managed CPE Service