Post on 26-Jul-2020
The picture can't be displayed.
China Telecom Americas
Managed SD-WANUse-Cases for Global Network Operators in China
ctamericas.com
The picture can't be displayed.
China Telecom’s Software Defined WAN Architecture
BranchBranc
hBranch
Branch
Branch
Branch
Branch
Branch
Data Cente
r
SD-WAN PLANE
Headquarter
PrivateCloud
The picture can't be displayed.
Cloud Gateway (CGW)Deployment on the edge of CTG backbone network, which converge regional traffic and transfer to other nodes.
Customer Branch(Singapore)
EPL / MPLS VPN / 4G / DIA
Customer HQ(Los Angeles)
Customer Branch(Hong Kong)
Cloud Anchor Equipment (CAE)Physical or virtual x86 based white box at customer on-premise network. Used for gathering internal traffic and functions as integrated managed point.
CAE
The Last Mile CoverageUse overlay tunnel to transfer instead of using physical cable
CloudGateway
Overlay Tunnel
China Telecom IDC Net(AS 36678)
SDNSoftware deployed on the Cloud to manage the Virtual Gateway, create or release VMs and control bandwidth
Service OrchestratorDeployed in CT global cloud node. In charge of added-value services and system docking.
(Active)(Stand-by)
SDN Controller
Service Orchestrator
sync
SDN Controller
Control Plane
Data Plane CAE
CAE
CloudGateway
CloudGateway
China Telecom’s Cloud Enabled SDN Architecture
Public Internet
The picture can't be displayed.
Software Defined WAN Drivers
By the end of 2019, 30% of enterprises will use SD-WAN products in all their branches. – Gartner
Simplified management and orchestration
Reduce costs via broadband Internet, increasing bandwidth utilization
Increased visibility and security in the enterprise
The picture can't be displayed.
Network Enablement with Versa
Simplicity Reliability
Business Performance
Agility Costs
China Telecom’s managed SD-WAN service is built on Versa’s comprehensive suite of virtualized network and security functions (VNFs), offering greater business agility and cloud readiness through application-level visibility, control and integrated set of security functions.
CT has deployed Versa’s multi-tenant SD-WAN and SD-Security solution in 25+ cloud hubs globally to meet the demands of distributed enterprises with high availability workloads running in the cloud.
Versa’s technology can be provisioned using x86 white box appliances, programmable with third-party VNFs to cut-down on CAPEX and vendor lock-in related costs.
The picture can't be displayed.
Accelerating SD-WAN with Silver Peak China Telecom delivers fully-managed SD-WAN services based on Silver Peak Unity EdgeConnect and Unity Boost technology. With this service, multinational enterprises can cost effectively address international connectivity, performance and security requirements to expand into and across China.
Unity EdgeConnect
• Zero Touch Provisioning
• Dynamic Path Control
• Path Conditioning
• Cloud Intelligence
Unity Orchestrator • Single Screen Administration
• Granular Real-Time Monitoring and Historical Reporting
• Bandwidth Cost Savings Reports
Tiered Packages WAN Optimization
CT NetCareIntegration
Centralized control
The picture can't be displayed.
Use Case 1: Basic SD-WAN Over Public Internet
Branch
CAE
CAE: Cloud Anchor EquipmentIPsec tunnel
Public Internet
Branch
Main Office
The picture can't be displayed.
Use Case 2: Internet WAN with Cloud Gateways
Branch
CT SD-WAN Net AS 36678
BranchSD-WAN tunnel CAE: Cloud Anchor Equipment
CGW: Cloud Gateway
Internet
Internet
Internet
The picture can't be displayed.
Use Case 3: Hybrid WAN – Replace CPE with CAE
Branch
CAE
SD-WAN Traffic via CT DCI Net
(AS 36678)
PE (MPLS VPN)
CGW
CAE
SD-WAN tunnel
CAE: Cloud Anchor Equipment
CGW: Cloud Gateway
HeadquarterInternet
CGW
Internet
PE (MPLS VPN)
MPLS VPN Traffic via CN2
(AS 4608)
The picture can't be displayed.
Use Case 4: Hybrid WAN – Existing Network + SD-WAN
CT SD-WAN Net
SD-WAN CAE: Cloud Anchor Equipment
CGW: Cloud Gateway
Headquarter
Internet
Internet
Local LoopCT MPLS VPN
Non-Critical Traffic
Critical TrafficBranch
PE: Provider Edge
The picture can't be displayed.
Use Case 5: Cloud Connected WAN via CX or Global Internet
CT SD-WAN Net
SD-WAN tunnel CAE: Cloud Anchor Equipment
CGW: Cloud Gateway
MPLS VPN
Headquarters
Internet
Global Internet Egress
Fiber
HeadquartersLayer 2 or 3
Cloud Exchange (CX)Interconnect
The picture can't be displayed.
Use Case 6: Cloud Connected WAN via Cloud Exchange Outer Path
CT SD-WAN Net
SD-WAN tunnel CAE: Cloud Anchor Equipment
CGW: Cloud Gateway
Internet
Headquarter
vCAE (Installed on cloud server)
The picture can't be displayed.
Use Case 7: Mobile Access
SD-WAN tunnel IPSec VPN Tunnel
CGW: Cloud GatewayvCAE (Installed on cloud server)
Internet
CT SD-WAN NetworkIPsec Gateway(IPSec/L2TP, SSL-VPN)
The picture can't be displayed.
Use Case 8: SaaS Platform Acceleration
SD-WAN tunnel
CAE: Cloud Anchor Equipment
CGW: Cloud Gateway
Internet
Internet
Internet
Headquarters
Branch
Branch
CT SD-WAN Net
InternetEgress A
InternetEgress B
InternetEgress C
The picture can't be displayed.
China Telecom Cloud Interconnection Coverage
Europe• Frankfurt
• London
• Paris
• Prague
• Amsterdam
• Luxembourg
Africa &Middle East
• Johannesburg
• Nairobi
• Dubai
• Lagos
• Cairo
Asia-Pacific• Beijing• Shanghai• Guangzhou• Hohhot• Jakarta• Mumbai• Tokyo• Hanoi• Bangkok• Manila
• Chengdu• Guizhou• Hong Kong• Kuala Lumpur• Seoul• Singapore• Sydney• Macau• Phnom Penh• Karachi
Americas• Los Angeles
• San Jose
• Washington DC
• Chicago
• Toronto
• Sao Paulo
The picture can't be displayed.
SD-WAN Business Case: Logistics ProviderProject
A privately-owned global transportation and logistics provider with 37 offices (18 in the US, 19 overseas) and 400+ employees worldwide required a reliable, end-to-end global SD-WAN solution for managing ERP application connectivity while complying with Chinese government Cybersecurity laws and regulations.
Solution• Customized, fully-managed SD-WAN solution from China Telecom and Versa Networks.• Easily integration with China Telecom’s DIA and licensed IPSec services.• Centralized control help improved application performance and network agility.• Lower CAPEX with less vendor lock-in for customer by using programmable white-box appliances. • Lowered OPEX with simplified configuration and link provisioning reducing truck rolls and management
of complex VLANS.
Challenge Poor application performance and control for an 8 site network between the USA and China sites: Shanghai, Beijing, Guangzhou, Ningbo, Qingdao, Shenzhen, Xiamen and Chicago
The picture can't be displayed.
SD-WAN Business Case Results
15%SD-WAN savings
200msReduced US-China latency from 250ms to sub 200ms
60%Internet savings
The picture can't be displayed.
Improve agility and application performance with China Telecom’s Managed SD-WAN Service.
Start a Free Trial Today!
To get your free trial started, contact marketing@ctamericas.com