SD-WAN China for Businesses

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SD-WAN: Connecting your locations in China

With SD-WAN to China, you can connect your company to locations in the Middle Kingdom. You benefit both from the advantages of the technology itself and from bypassing the Great Firewall. Thanks to our exclusive partnership with China Telecom, we avoid the VPN problem – despite our own encryption!

In a nutshell:

Problem: Conventional VPN connections to China are often unstable or blocked – which significantly impairs communication, applications and data access.
Solution: With SD-WAN via our partnership with China Telecom, you avoid the firewall problem, secure your connection and benefit from stable, high-performance Site Connectivity.

We advise you on the selection and implementation of SD-WAN solutions. Our experts have many years of experience in analyzing your requirements and comparing different technologies to find the best solution for optimizing your network connections.

Explained by experts:

SD-WAN to China-how it works

SD-WAN is a software-controlled overlay network that bundles existing infrastructures such as Internet, MPLS, xDSL or 5G and controls them globally in an automated manner. It enables sites and servers – including those in China – to be connected to clouds and local breakouts in Europe, Hong Kong and mainland China, bypassing the Great Firewall. The technology offers more bandwidth, lower infrastructure costs and greater reliability.

The technology is available in three versions:

The SD-WAN link is based on local or existing internet lines and is suitable for cloud connections, temporary connections and flexible network combinations. Encryption takes place within the network, and a separate encryption can also be used – without the need to deposit keys with Chinese authorities. The delivery time is around two to three weeks from ordering.


Technical sketch of SD-WAN High Speed Network: Site Connectivity between branches in China and international branches via CGW and optimized Internet.

SD-WAN with cloud gateways

SD-WAN end devices are deployed at all customer locations and connected to the cloud gateways via IP-Sec tunnels.

Each cloud gateway is directly connected to China-Telecom’s low latency backbone and thus to all major cloud providers inside and outside China. This allows your users in China to access global services.

Technical sketch of SD-WAN China with cloud gateways, private China Telecom network and connection of several company locations to the head office.

Hybrid WAN: Traditional router (CPE) is replaced by SD-WAN Box (CAE)

Technical sketch of SD-WAN China Hybrid WAN: Connection of company site and head office via MPLS VPN, Internet, cloud gateways and private China Telecom network.

Allows to manage internet based IP-Sec tunnels as well as MPLS traffic for critical applications via orchestrator.

Policy-based routing and load-balancing between MPLS and IP-Sec connections for maximum availability and bandwidth.

Hybrid WAN: Network expansion with SD-WAN

Data traffic in the existing MPLS network is handled separately as before, but an IP-SEC tunnel is integrated as a backup.

Customers keep their existing MPLS routers for business-critical traffic. Non-critical traffic is routed over the Internet via SD-WAN. Expensive bandwidth increases in the MPLS can thus be avoided.

Technical sketch of SD-WAN China Hybrid WAN: Expansion of the network with company locations, head office, MPLS VPN, Internet and cloud gateways via China Telecom private network.

Fully meshed cloud-centric WAN via Vcae

Technical sketch of SD-WAN China Cloud Centric WAN with virtual CAE on cloud servers (AWS, Microsoft Azure, Google Cloud, VMware) via private China Telecom network.

Suitable for companies that need the best connections to cloud services such as Amazon or AWS.

One CAE is installed in the branch office and one on China Telecom’s virtual cloud platform. Now a direct IP-Sec tunnel is established without passing through a cloud gateway.

SaaS platform acceleration

On-demand access to O365, Salesforce, etc. In this topology, the IP-Sec tunnel can be provided via SD-WAN CAE boxes in China to reach the China Telecom Cloud gateway, or the customer can also access the China Telecom Cloud from international locations.

From the China Telecom Cloud, there is then access to O365, Salesforce etc….

Technical sketch of SD-WAN China with private China Telecom network, cloud gateways, company locations and optimized business SaaS access for platforms such as Salesforce.

Remote SaaS (Software-as-a-Service) – access via mobile devices

Architecture diagram for mobile SaaS access via SD WAN with IPsec VPN tunnel, cloud gateway and connection of international SaaS locations.

Our SD-WAN solution can be used to support mobile access to SaaS sites.

Mobile devices can be connected to the China Telecom Cloud Gateway via an IP-Sec tunnel (Layer2 Protocol or SSL-VPN).

From there, the mobile device can be connected to the international SaaS locations.

Our solution

The Chinese government is increasingly taking action against VPN services and is obliging telecommunications providers such as China Mobile, China Unicom and China Telecom to prevent their use. This closes the last gaps in the Great Firewall and shuts down existing VPN connections. The aim is to censor unwanted content, for example by blocking global websites such as Google, Amazon or social media such as Facebook and YouTube.

Foreign companies are now also affected, which is why a legal, stable and secure alternative is needed. Together with local partners, Savecall offers a certified SD-WAN solution for China that is not affected by the shutdowns. It represents a future-proof alternative to traditional IPSec VPNs.

Aerial view over Shanghai night dynamic routing of SD-WAN in China

Features of an SD-WAN China

Provider overview

Aryaka, technology partner of SAVECALL Telecommunications Consulting
BT Group, carrier partner of SAVECALL Telecommunications Consulting
expereo, carrier partner of SAVECALL Telecommunications Consulting
Telstra, carrier partner of SAVECALL Telecommunications Consulting
Verizon, carrier partner of SAVECALL Telecommunications Consulting
Deutsche Telekom, carrier partner of SAVECALL Telecommunications Consulting
becom, carrier partner of SAVECALL Telecommunications Consulting
MetTel, carrier partner of SAVECALL Telecommunications Consulting
Sprint, carrier partner of SAVECALL Telecommunications Consulting
TPX, carrier partner of SAVECALL Telecommunications Consulting
China Telecom, carrier partner of SAVECALL Telecommunications Consulting
Colt, carrier partner of SAVECALL Telecommunications Consulting
GTT, carrier partner of SAVECALL Telecommunications Consulting
Nitel, carrier partner of SAVECALL Telecommunications Consulting
Tata Communications, carrier partner of SAVECALL Telecommunications Consulting
hypercore, carrier partner of SAVECALL Telecommunications Consulting
Vodafone, carrier partner of SAVECALL Telecommunications Consulting

Delighted customers

Costs & provider comparison

Keep an eye on technological differences, costs & features

SD-WAN providers differ greatly in terms of price, usability, performance and additional options such as IP telephony. A structured comparison not only helps to find the best solution – it often enables considerable cost savings compared to traditional WAN technologies.

What is important:

Variants and connections

With this technology, you can decide how you want to divide up the global transfer of your data. Send non-critical applications via a secure tunnel over the Internet and sensitive data via MPLS. Unlike other WAN connections, cloud networking is also flexible and secure. As an overlay network, SD-WAN technology offers you a number of useful management functions:

Whether you operate an SD-WAN mono with Internet lines or hybrid with MPLS. – You are in control. All performance and application information is available to you at all times. This enables you to localize and rectify faults and impairments yourself. You can make changes and settings via the portal, which are implemented immediately. All important functions are included: SD-WAN router, firewall, performance monitoring, WAN management or WAN accelerator.

Awards for Outstanding Performance

Vodafone Business Partner Platin
Vodafone Business Partner Gold
Versatel championsfly award
Plusnet loyalty award
Placetel gold partner
MNet platin partner
Ecotel rising star
Ecotel partner of the year
Ecotel diamond partner
Colt international partner advisory board
Colt innovation award
Colt european partner of the year
Colt arr performance award
Avaya Cloud Partner Award
Ecotel loyalty award
Colt: Accredited Sales Solutions Partner „CSSP" 2026

Why

Selection & operation of worldwide connectivity & cloud infrastructure. Without vendor risk & unnecessary costs.

What drives you forward – & what drives

Book a free expert consultation

SD-WAN-China – FAQs

What is SD-WAN China and why does it need a dedicated solution?

SD-WAN China is a variant of SD-WAN specifically developed for the Chinese market, compatible with the Great Firewall, local regulations and ICP licensing requirements. Standard SD-WAN solutions often do not work reliably in China: internet tunnels are throttled, VPN connections are shut down, or latency from abroad is too high. SD-WAN China uses locally licensed carriers such as China Telecom with their own cloud gateways inside and outside China. This enables legal, high-performance and stable connectivity to your Chinese sites without VPN bans or performance drops.

Why do classic VPNs from abroad to China not work reliably?

The Great Firewall of China increasingly detects and throttles private VPN tunnels aggressively. Connections are slowed, interrupted or fully blocked, especially with standard protocols such as OpenVPN or IPSec. Legal risks add to this: non-licensed VPN services are illegal in China and can result in penalties for employees or companies. Performance is also an issue: latency from Europe to China typically ranges from 200 to 400 ms, rendering many applications unusable. SD-WAN China solves both through licensed carriers and cloud gateways directly inside China.

How does SAVECALL’s exclusive partnership with China Telecom work?

SAVECALL is an exclusive partner of China Telecom for tailor-made SD-WAN China solutions with guaranteed performance values: less than 200 ms latency, less than 1 percent packet loss, no VPN shutdowns and proprietary encryption without key escrow. The solution is fully compliant with Chinese telecommunications licensing requirements. Provisioning time is typically only 2 to 3 weeks. This way, companies avoid the risks of classic VPN solutions and can reliably connect China sites to their global IT infrastructure.

Which use cases are suitable for SD-WAN China?

SD-WAN China is worthwhile for all companies with sites, production facilities or sales offices in China that need reliable access to global IT systems such as ERP, CRM, Microsoft 365 or SAP. Typical use cases are video conferencing between China and HQ, cloud applications with European servers, remote maintenance of production machines, database synchronisation and VoIP telephony. The solution is also relevant for companies with Chinese customers, those expanding into the China market or working with Chinese suppliers.

What does SD-WAN China cost and which variants exist?

Costs consist of the China Telecom connection, SD-WAN service and optionally cloud gateways. A typical site with standard bandwidth ranges from 1,000 to 2,500 euros monthly, depending on bandwidth, connection type and SLA. Variants include connectivity via internet, MPLS or hybrid, cloud gateways for SaaS acceleration, remote SaaS for Microsoft 365 and cloud-centric WAN for mixed requirements. Through the SAVECALL procurement pool you secure below-market conditions. Exact pricing is calculated in the initial conversation.

How quickly is SD-WAN China ready to use?

Thanks to the exclusive China Telecom partnership, typical provisioning time is only 2 to 3 weeks from contract signing. That is significantly faster than classic MPLS connections to China, which usually take 3 to 6 months. For hybrid setups with additional cloud gateways or multi-site rollouts, plan 4 to 8 weeks. SAVECALL handles complete project management, carrier coordination with China Telecom, cloud gateway configuration and user training. You have a single point of contact for the entire solution.