Challenges and coping strategies for Vietnamese users accessing domestic networks?? Solution//Globa

 Challenges and coping strategies for Vietnamese users accessing domestic networks?? Solution//Global IPLC service provider of Shigeng Communication

一、With the continuous deepening of economic and trade cooperation between China and Vietnam, more and more Chinese companies are setting up branches and expanding their business territory in Vietnam. However, when Vietnamese employees open the ERP system of their domestic headquarters, initiate video conferences, or transfer design drawings, slow page loading, delayed operations, and frequent file transfer interruptions - these experiences are almost all difficulties encountered by Chinese funded enterprises in Vietnam.

The problem is not that the local network in Vietnam is not good enough. In fact, Vietnam's wired broadband and mobile network speeds perform well in global rankings. The real crux lies in the fact that when data crosses national borders, it encounters an invisible 'digital speed bump'. This article will systematically analyze the cross-border access problem from its root causes to response strategies.

1. Root cause of the problem: Multiple bottlenecks beyond physical distance

The straight-line distance from Vietnam to China is about 1500 to 2500 kilometers, and the propagation of optical signals itself can cause physical delays of tens of milliseconds. But this is only the "starting price", and the ones that really slow down the speed are the following more tricky issues.

The 'peak congestion' of international exports. Vietnam's Internet export bandwidth is limited, and is mainly concentrated in Ho Chi Minh City and Hanoi. During peak business hours in both countries, a large amount of data simultaneously flows into limited international channels, leading to a sharp increase in congestion. There are relatively few direct connections between local operators in Vietnam and the three major operators in China, and data needs to be transferred multiple times. The normal latency may surge to hundreds of milliseconds or more, and the packet loss rate can reach double-digit percentages.

The routing detour of 'seeking distance over proximity'. Data from Vietnam to China is often not transmitted in a straight line, but is forced to detour through Hong Kong, Singapore, and even as far as Japan or the United States before returning. For example, data from Hanoi to Guangzhou sometimes goes south to Singapore and then north, extending the route by thousands of kilometers. This non optimal path selection significantly increases transmission distance and delay.

The 'fragile chain' of submarine cables. Vietnam heavily relies on submarine cables for international communication. In recent years, multiple backbone optical cables including AAG, APG, and AAE-1 have been frequently interrupted due to faults, leading to further strain on available bandwidth. Once a critical submarine cable malfunctions, the quality of international connections will be affected.

The 'extra level' of firewall and policy. When international traffic enters China, it needs to go through the detection of national level firewalls, which may cause additional processing delays. At the same time, local regulations such as the Cybersecurity Law in Vietnam have put forward requirements for localized data storage in specific industries. The different regulatory frameworks of the two countries make cross-border data transmission not only face technological challenges, but also complex compliance issues.

These factors combined have greatly reduced the experience of accessing domestic networks in Vietnam - page loading takes several seconds or even tens of seconds, video conferences frequently lag, and file transfer speeds are much slower than expected. The root cause of the problem is that cross-border lanes are overcrowded and lack of effective management on the "national road" of the public Internet.

2. Response strategy: From "congested national highways" to "exclusive channels"

The solution lies in establishing a "exclusive channel" for key business traffic of enterprises to avoid public Internet congestion. There are currently several paths to choose from.

Path 1: CDN Acceleration - "Nearby Stations" for Static Content

CDN (Content Delivery Network) is the most direct and effective way to speed up static resources in websites and apps, such as images, style files, videos, etc. By caching content to edge nodes close to Vietnamese users, users do not need to cross borders and return to the source every time they visit, and the static resource loading speed can be greatly improved.

But the limitations of CDN are also evident - it only applies to static content. The effectiveness of CDN is limited for dynamic requests that require real-time interaction with domestic servers, such as logging in, querying, submitting orders, and using enterprise ERP/OA systems.

Path 2: SD-WAN Intelligent Networking - "Intelligent Navigation" for Enterprises

For enterprises with branch offices that require stable access to domestic systems, SD-WAN (Software Defined Wide Area Network) is currently the most cost-effective mainstream choice.

The core value of SD-WAN lies in "intelligence". It deploys equipment in its Vietnam branch and simultaneously connects to multiple local broadband links, monitoring the quality of each link in real-time and automatically selecting the optimal path for critical business data. Once a link experiences a failure or congestion, traffic will switch to backup without being aware of it. Meanwhile, SD-WAN can further improve transmission efficiency through technologies such as data compression and protocol optimization.

More importantly, SD-WAN can set the highest priority for critical business. When network congestion occurs, the system will prioritize the transmission of core data such as ERP and video conferencing to ensure that business is not affected. This kind of "fast is fast, stable is stable" fine scheduling is not provided by the ordinary Internet.

Path Three: International Dedicated Line - The 'Highway' of Core Business

For core businesses that require high stability, such as financial transactions and real-time data synchronization, Shigeng Communication International Dedicated Line is the most reliable solution. The dedicated line establishes an end-to-end dedicated channel between Vietnam and China. Data does not go through the public Internet, and it enjoys exclusive bandwidth, zero packet loss, and deterministic routing.

The cost of a dedicated line is high and the opening period is long. But for those critical businesses that suffer from a one minute internet outage and losses of hundreds of thousands, this investment is necessary.

Path 4: Application layer optimization - "saving the country through curves" where data does not cross borders

Another approach is to 'data not leaving the country'. All ERP, OA and other applications are still running on domestic servers, and Vietnamese employees only perform remote operations through screen displays. This method has extremely low bandwidth requirements, and only a small amount of bandwidth is needed for each session to run smoothly. It fundamentally solves the problem of application level lag and thoroughly ensures data security - because data has never left domestic servers.

Path Five: Cross border Land Cable - The Rising 'Land Channel'

In addition to submarine cables, cross-border land cables are becoming a new option. Currently, Guangxi has more than ten cross-border land cables leading to ASEAN countries such as Vietnam, and the total capacity of the opened international communication channels is considerable. Taking the data transmission from Nanning to Hanoi, Vietnam as an example, the latency is expected to be significantly reduced from the current level. China Telecom is also promoting the expansion project of cross-border optical cables between China and Vietnam.

The construction of these land-based channels will provide more diverse path options for data transmission between China and Vietnam, reducing excessive dependence on submarine cables.

3. Compliance considerations: an essential "rule fence" that cannot be ignored

While pursuing speed, compliance is an unbreakable red line. Vietnam has established a data protection framework centered around the Personal Data Protection Law and the Cybersecurity Law. For specific industries such as finance and telecommunications, Vietnamese law requires companies to establish data centers within Vietnam to store copies of Vietnamese user data.

This means that when planning cross-border network architecture, enterprises cannot only consider "how fast", but also "how to comply". The storage location, transmission path, and access permissions of data need to be designed within the legal framework. Speed and compliance are indispensable.

Conclusion

The challenge for Vietnamese users to access the domestic network stems from the fact that the "national road" of the public Internet is difficult to carry the stability and speed requirements of cross-border business. The solution is not simply to increase bandwidth, but to choose the appropriate path based on the business scenario - CDN for static content, SD-WAN for enterprise office, dedicated line for core business, and application layer optimization for data sensitivity.

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Features of Global Application Network Products for Multinational Enterprises:

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Product tariff: