How to connect the network of overseas factories to China??? Solution//Global IPLC service provider

How to connect the network of overseas factories to China??? Solution//Global IPLC service provider of Shigeng Communication

一、With the promotion of the "the Belt and Road" initiative and the restructuring of the global supply chain, more and more Chinese manufacturing enterprises choose to set up overseas production bases in Southeast Asia, South Asia, the Middle East, Africa and other places. Overseas factories represented by Vietnam, Indonesia, Mexico, Hungary, etc. have become key nodes in the global layout of enterprises.

However, a core challenge follows: how to connect the local area network (LAN) of these overseas factories to the headquarters data center or cloud platform in Chinese Mainland safely, stably and in compliance? This not only relates to real-time collaboration of production systems (such as MES, ERP, WMS), but also involves key business continuity such as video surveillance, remote operation and maintenance, and file sharing.

This article will systematically review mainstream cross-border networking solutions, analyze their advantages and disadvantages, and provide a set of implementation paths that balance performance, cost, and compliance.

1. Core requirements and challenges

1. Business requirements

Real time synchronization of production data to domestic MES/ERP systems

Domestic engineers remotely access overseas PLC/industrial control equipment

Overseas employees accessing domestic OA, email, and HR systems

Video surveillance feedback (some scenarios)

2. Technical challenges

Cross border network latency is high and jitter is large (e.g. Indonesia → China often reaches 200ms+)

Direct connection to the public network poses security risks

Some countries have limited export bandwidth or high tariffs

3. Compliance red line

China side: If the domestic system contains personal information or important data, overseas access must comply with the "Measures for Security Assessment of Data Export" and the "Personal Information Protection Law"

Overseas side: Some countries (such as India and Russia) require local data retention and restrict cross-border transmission

2. Comparison of mainstream networking solutions

Advantages and disadvantages of the scheme principle, applicable scenarios

International MPLS dedicated line operators provide end-to-end private links with low latency, high QoS, and SLA guarantees, with extremely high costs (starting from tens of thousands per month) and slow activation (1-3 months) for large manufacturing groups and financial grade businesses

IPSec VPN over the Internet establishes encrypted tunnels through the public network, with low cost and fast deployment. It is greatly affected by the quality of the public network and is prone to packet loss and disconnection from small factories and non critical businesses

SD-WAN (Software Defined Wide Area Network) intelligently schedules multiple links (4G/broadband/dedicated line), with flexible encryption and high cost-effectiveness. It supports multi cloud and requires professional configuration. Some vendors do not support China compliant nodes for medium-sized enterprises and multi branch scenarios

Shigeng Communication Global Network

Utilizing cloud backbone network to build a virtual private network with fast opening, pay as you go, and natural integrated security capabilities that rely on cloud platforms, requiring the migration of some systems to the cloud for enterprises that have already used public clouds

Hybrid networking (recommended) core business uses dedicated lines/cloud acceleration, while ordinary office uses VPN to balance cost and experience. The architecture is slightly more complex for most medium and large overseas enterprises

3. Recommended architecture: A hybrid networking model based on "cloud backbone network+security boundary+traffic grading"

We suggest adopting the following three-layer architecture to optimize the experience without sacrificing security:

Layer 1: Network Access Layer - Local Network of Overseas Factories

Deploy enterprise level firewalls (such as FortiGate, Huawei USG)

VLAN division: production network (PLC/MES), office network (PC/printer), visitor network isolation

Suggested dual line export link (such as local broadband+4G backup)

Second layer: Cross border transport layer - secure encrypted channel

Option A (Lightweight):

Use Alibaba Cloud Smart Access Gateway (SAG) or Huawei AR series SD-WAN devices

Automatically establish IPSec tunnel to Alibaba Cloud China VPC

Traffic optimization path through Alibaba Cloud Global Acceleration (GA) to reduce latency

Option B (High Performance):

Apply for operator MSTP or MPLS dedicated line to Singapore/Hong Kong POP points

Connect to domestic VPC through cloud connection (such as Alibaba Cloud Expressway)

Suitable for high-frequency data synchronization (such as thousands of work orders per second)

✅  Key advantage: All traffic is decrypted within China, avoiding the identification of "data export"; At the same time, enjoy low latency in the backbone network of cloud vendors.

Layer 3: Domestic Access Layer - Security Boundaries and Access Control

Deploy zero trust gateway or API proxy in domestic VPC

Implement strict policies for overseas IP: only open necessary ports (such as 443, 3389), and enforce MFA authentication

Set up secondary approval or session recording for sensitive systems (such as financial ERP)

Conclusion

Connecting overseas factory networks to the domestic market is not simply a matter of "pulling the strings", but a systematic project that integrates network engineering, information security, and legal compliance. Enterprises should abandon the "one size fits all" thinking and choose a layered, graded, and scalable networking strategy based on factory size, business sensitivity, and budget

二、Shigeng Communication Global Office Network Products:

The global office network product of Shigeng Communication is a high-quality product developed by the company for Chinese and foreign enterprise customers to access the application data transmission internet of overseas enterprises by making full use of its own network coverage and network management advantages.

Features of Global Application Network Products for Multinational Enterprises:

1. Quickly access global Internet cloud platform resources

2. Stable and low latency global cloud based video conferencing

3. Convenient and fast use of Internet resource sharing cloud platform (OA/ERP/cloud storage and other applications

Product tariff: