Architecture and scalability: Traditional virtual hosts are usually based on virtualization technologies on a single physical server. Resources (such as CPUs, memory, and storage) are shared between multiple virtual machines. Based on the cloud computing architecture, cloud hosting uses multiple physical servers and network infrastructure to provide elastic and scalable resource allocation, allowing dynamic adjustment of computing resources according to demand.

　　Reliability and availability: The cloud host provides high availability and redundant functions by distributed resources between multiple physical servers and data centers. If a physical server or data center fails, the cloud host can automatically migrate to other available nodes to reduce service interrupt time. Traditional virtual hosts usually do not have the ability to restore this level of redundancy and automatic failure.

　　Flexibility and customization: Cloud hosts usually provide more flexible resource allocation and customized options. You can choose the computing power, storage space, operating system and other functions of the virtual machine. Traditional virtual hosts usually provide fixed resource allocation and restrictions, without much flexibility and customization.

　　Bill mode: Traditional virtual hosts are usually charged in a fixed monthly or annual fee, without considering the actual resource usage. Cloud hosts usually use on -demand billing models. You only need to pay the actual amount of resources used, you can adjust the computing resources at any time according to the needs, and avoid waste and unnecessary costs.

　　Management and control: Cloud hosts usually provide more advanced management and control functions, such as automatic extension, load balancing, elastic storage, backup and snapshot. You can manage and monitor cloud hosts by controlling panels or APIs. Traditional virtual hosts usually provide more basic management functions, and advanced functions may require additional configuration or cost.

　　Cloud hosting and traditional virtual hosting are not opposing choices, but decide on business needs and budgets. Cloud hosts are suitable for applications that require elasticity and scalability, while traditional virtual hosts are suitable for simple websites and applications, as well as limited budgets.