Realize remote access technology from overseas networks to domestic servers??? Solution//Global IPLC

Realize remote access technology from overseas networks to domestic servers??? Solution//Global IPLC service provider of Shigeng Communication

一、 In today's globalized business layout and normalized cross-border remote work, overseas employees or branch offices accessing ERP, OA systems, self built AI computing power or web services deployed in China have become the "digital divide" that enterprises must cross when going global. However, due to physical distance, cross-border public network congestion, and complex international routing hops, traditional access methods often face challenges such as high latency, high packet loss, and even connection interruptions. To fully connect this link, enterprises need to abandon the single "pull line" thinking and build multidimensional technical solutions based on business scenarios, security compliance, and cost budgets.

1. Lightweight Breakthroughs: Internal Network Penetration and Global Acceleration Services

For small and medium-sized businesses or scenarios that urgently need to be quickly implemented, the "intranet penetration" technology that does not require applying for a public IP or setting up expensive dedicated lines is the first choice. Traditional internal network penetration establishes tunnels through public network relay servers, but in cross-border scenarios, traffic still needs to cross national borders, and latency issues still exist.

In response to this pain point, modern intranet penetration services have evolved to the stage of "overseas acceleration". The core mechanism is "intelligent global scheduling": after deploying clients on domestic business servers, the system will automatically schedule overseas access requests to the optimal overseas high-quality forwarding route. By deploying forwarding nodes globally, overseas users can achieve "nearby access", and then the nodes can directly connect to domestic servers through optimized links. This solution is not only compatible with multiple protocols such as HTTP, HTTPS, TCP, UDP, but also enables one click deployment of SSL certificates for encrypted access, solving the network pain points of cross-border OA collaboration and cross-border e-commerce ERP interconnection with extremely low configuration threshold and cost.

2. Architecture level Refactoring: SD-WAN and Zero Trust Intelligent Agents

When the scale of enterprises expands and higher requirements are put forward for data isolation, access auditing, and link stability, network architecture must evolve towards "application centric" and "zero trust".

On the one hand, remote networking solutions based on SD-WAN (Software Defined Wide Area Network) achieve logical isolation through Overlay networks. It utilizes cloud native global access points (PoPs) to transmit cross-border traffic through enterprise exclusive backbone networks, significantly reducing the jitter caused by public network congestion. Combined with intelligent routing algorithms, SD-WAN can evaluate the quality of multiple links in real time, providing deterministic guarantees for real-time services such as video conferencing.

On the other hand, Zero Trust Network Access (ZTNA) and intelligent proxy technology are reshaping the boundaries of security. Unlike traditional VPNs that transmit all traffic back to the central gateway, intelligent agents establish connections at the application layer, allowing users to only access authorized specific applications and not touch the entire intranet. This' invisible network 'architecture not only reduces the attack surface, but also enables continuous verification based on user identity and device health, perfectly meeting the needs of cross-border data compliance and refined auditing. For hybrid office scenarios, it is recommended to use a combination of "SD-WAN+intelligent agents" to balance wide area network link optimization and fine-grained application level access control.

3. Geeks and Gaoding's Choice: Self built FRP and Dedicated Line Guarantee

For enterprises with certain IT operation and maintenance capabilities and extreme requirements for data privacy, self built intranet penetration services are a highly cost-effective geek solution. By deploying an open-source FRP (Fast Reverse Proxy) server on domestic cloud servers (such as Tencent Cloud Lighthouse) and collaborating with clients on overseas devices, a dedicated encrypted tunnel can be established. This solution is completely autonomous and controllable, with data not passing through third parties, and the bandwidth limit is only limited by cloud server configuration. The monthly cost can be compressed to less than 100 yuan, making it very suitable for remote SSH operation and maintenance, NAS file access and other scenarios.

Of course, for top enterprises such as finance and core manufacturing that have strict SLA (Service Level Agreement) requirements, traditional MPLS or IEPL physical dedicated lines are still irreplaceable "gold standards". Although the delivery cycle is long and the cost is high, the extremely low latency and zero packet loss it provides are the bottom line to ensure the continuity of core transactions.

4. Bottom layer escort for security and performance

Regardless of the channel chosen, security and performance optimization for cross-border access are mandatory courses. At the security level, it is necessary to enforce Multi Factor Authentication (MFA) and disable password login in favor of SSH key authentication; At the same time, the use of default high-risk ports such as 22 should be avoided, and a defense in depth system should be built based on IP blacklists and access time restrictions.

At the performance level, optimization of the protocol layer often brings immediate results. It is recommended to enable the BBR congestion control algorithm on the server side to cope with the high packet loss environment of cross-border links; For web services, a comprehensive migration to the UDP based QUIC/HTTP protocol can effectively solve TCP header blocking and shorten handshake time to 1 RTT. In addition, by combining QoS policies and prioritizing the protection of core business traffic, non real time tasks such as log synchronization are limited to idle time execution in order to completely extract the value of every megabyte of bandwidth.

Conclusion

There is no universal key to the technical solution for accessing domestic servers from overseas. A prudent strategy is to establish a hybrid architecture: using SD-WAN or dedicated lines as the core backbone to ensure the bottom line, using intelligent agents and intranet penetration as elastic access to meet fragmentation needs, and supplemented by CDN acceleration and protocol tuning at the application layer. Only by treating the network as the core infrastructure of the business, continuously monitoring and dynamically optimizing, can cross-border collaboration be as smooth as silk.

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: