International connection, domestic servers, overseas access technology architecture??? Solution//Gl

 International connection, domestic servers, overseas access technology architecture??? Solution//Global IPLC service provider of Shigeng Communication

一、With the continuous expansion of global business of enterprises, how to ensure efficient and stable access of international network users to servers deployed in China has become a core technical challenge faced by multinational enterprises, cross-border e-commerce, and global application developers. Cross border access is often limited by physical distance, cross-border bandwidth bottlenecks, and complex network routing, which can easily lead to high latency, high packet loss rates, and even connection interruptions. It is crucial to build a scientific, compliant, and highly available technological architecture in order to overcome geographical limitations and optimize user experience.

1. Core Architecture Pattern: From Basic Proxy to Intelligent Networking

In response to the demand for international network access to domestic servers, the mainstream solutions in the industry are mainly divided into three categories. Enterprises can flexibly choose according to their own business scale, security requirements, and budget.

1. Overseas cloud server transit architecture (reverse proxy/relay)

This is the most fundamental and widely used architectural pattern. The core logic is to deploy one or more transit servers overseas (such as network hub nodes in Singapore, Hong Kong, etc.), using a three-layer structure of "client ->overseas transit node ->domestic source server".

Technical implementation: Establish a bidirectional data channel through TCP proxy (such as using the socat tool), HTTP reverse proxy (such as configuring proxies in Nginx), or WebSocket relay (such as implementing in Node.js).

Advantage: It can effectively avoid the network jitter risk of a single cross-border link. For example, a cross-border e-commerce platform has compressed the synchronization delay of up to 3 seconds that was originally directly connected to China to within 200ms through a Singapore node, greatly improving the response speed of the order system.

2. Cloud connectivity and hybrid cloud networking architecture

For enterprise level users who have extremely high requirements for network quality and security, Cloud Connect and Virtual Private Network (VPN) provided by Shigeng Communication are better choices.

Technical implementation: Utilizing the global backbone network of Segun Communication, connect overseas VPC (virtual private cloud) with domestic VPC through cloud connection instances, and combine NAT gateway or web proxy server to achieve traffic forwarding.

Advantages: This architecture relies on the high-quality backbone network of cloud vendors, avoiding the instability of public network transmission and providing low latency and highly reliable cross-border intranet access experience. It is very suitable for distributed database synchronization or internal business system access of multinational enterprises.

3. SD-WAN intelligent networking architecture

Software Defined Wide Area Network (SD-WAN) uses Overlay network technology to build a logically isolated virtual private channel in a complex public network environment.

Technical implementation: Adopting an integrated architecture of "cloud edge end", intelligent traffic scheduling is used to automatically select the optimal cross-border transmission path. Combining MPLS VPN or Cloud VPN technology to achieve seamless interconnection between cross-border branches and domestic headquarters.

Advantages: SD-WAN has strong link redundancy and intelligent operation and maintenance capabilities. Practice has shown that this solution can reduce cross-border application access latency by 35% -45%, while significantly reducing operation and maintenance costs, making it suitable for large groups with multiple overseas branches.

2. Full stack performance optimization strategy

After determining the infrastructure, it is necessary to perform full stack optimization from the network layer, transport layer, and application layer to further squeeze out bandwidth performance and improve access speed.

Network layer optimization: Prioritize CDN service providers with high-quality nodes in the Asia Pacific region (such as Hong Kong, Tokyo, Singapore). By utilizing Anycast technology and BGP intelligent routing, international user requests are dynamically scheduled to the nearest and best network quality access point, reducing detours in cross-border backbone networks.

Transport layer optimization: Traditional TCP protocol often performs poorly in cross-border links with high packet loss and high latency. It is recommended to enable TCP BBR congestion control algorithm or fully support QUIC (HTTP/3) protocol. QUIC is implemented based on UDP and has faster handshake speed and strong packet loss resistance, which can significantly improve transmission efficiency in weak network environments. At the same time, fully enable TLS 1.3 to reduce the latency caused by encrypted handshakes.

Application layer optimization: Deploy dynamic content caching (such as Nginx caching) at intermediate nodes or edge sides, and enable Gzip or Brotli data compression to reduce the volume of cross-border data transmission. For static resources, fully utilize the edge caching capability of CDN to achieve "nearby access".

3. Safety compliance and risk control

Cross border data transmission must prioritize security and compliance.

Data encryption: Whether using intermediary agents or SD-WAN networking, the entire link must enable high-strength encrypted transmission (such as IPSec tunnels, SSL/TLS encryption) to prevent data from being eavesdropped or tampered with in complex public network routes.

Access control: Implement strict identity authentication and access control policies. For example, by restricting access sources through IP whitelists and combining with zero trust architecture, only authorized users and devices can access core server resources in China.

Compliance: All cross-border network acceleration solutions must strictly comply with relevant laws and regulations in China and the countries where the business is located. Enterprises should avoid using non compliant and illegally constructed channels for international networking. It is recommended to prioritize the use of compliance acceleration products provided by cloud service providers or network service providers who hold legitimate cross-border communication business licenses.

In summary, the architecture design for international network access to domestic servers is a systematic project. Enterprises should choose appropriate architectures such as intermediary agents, cloud connections, or SD-WAN based on their own business scenarios, supplemented by full stack performance optimization and rigorous security compliance measures, in order to build a high-speed, stable, and secure digital business channel worldwide.

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: