Hong Kong's network resources have unique advantages in terms of access speed and international connectivity. When purchasing a Hong Kong VPS cloud server, the type of IP address is often an overlooked but extremely important link. Many users will encounter a key question when choosing: Should I choose a Hong Kong dynamic IP or a Hong Kong static IP? Will the difference between the two have a substantial impact on the business? The answer is yes.

　　Static IP refers to a fixed IP address assigned to a server or terminal device when it accesses the network. This IP address will not change during the connection, and the IP address used will remain the same even after the device is restarted or disconnected and reconnected. For example: A Hong Kong server has long held the public IP 103.XXX.XXX.XX, which will not change regardless of restart, migration, etc.

　　Dynamic IP refers to an IP address dynamically assigned by an operator or server provider through a mechanism such as DHCP each time the device connects to the network. The IP may change with restart, lease change, and node load migration. For example: A Hong Kong VPS uses 203.XX.XX.12 for the first connection, and may automatically switch to 203.XX.XX.31 for the next connection.

　　Speed ​​and stability comparison:

　　1. Dynamic IP network fluctuates greatly

　　Dynamic IP network is affected by multiple factors, such as public network export switching, user shared resources, neighbor connection behavior, etc., which are prone to delay fluctuations, frequent IP changes, access interruptions, etc., and are especially not suitable for deploying services that require persistent connections.

　　2. Static IP has superior stability

　　Static IP has the advantage of fixed network routing, which not only has stable delays, but also has a lower packet loss rate. It has significant advantages in scenarios such as overseas acceleration, real-time data interaction, and cross-border remote office.

　　Differences in access rights and security:

　　1. Dynamic IP is not suitable for whitelist systems. For services that require IP access whitelists, such as API interfaces, remote databases, and corporates, dynamic IPs are not controllable because they change at any time.

　　2. Static IP supports security authentication, can be bound to SSL certificates, deploy cloud firewalls, and specify port release policies to facilitate access control and log tracking. It is the preferred solution for corporate compliance audits and data security.

　　Common misunderstandings and suggestions:

　　Misunderstanding 1: Dynamic IP can also access the website, no static IP is needed

　　Although it is technically feasible, there are uncontrollable problems in stability, SEO, access authorization, etc., which are not suitable for long-term business use.

　　Misunderstanding 2: All Hong Kong IPs are the same

　　In fact, Hong Kong IP segments can be divided into local resident broadband IPs (often dynamic) and international computer room IPs (mostly static), and the difference between the two is obvious.

　　Suggestions:

　　Individual users with low access frequency requirements and limited budgets can choose dynamic IPs;

　　Small and medium-sized enterprises or users with overseas business expansion needs are recommended to choose Hong Kong static IP services with higher stability to achieve longer-term development and deployment.

　　The difference between Hong Kong dynamic IP and static IP ultimately lies in "whether it is controllable" and "whether it is exclusive". Dynamic IP tends to be low-cost, fast deployment, and short-term testing scenarios; while static IP is more suitable for stable businesses with long-term operation, high security, and high concurrent access.