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2025-01-19 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Servers >
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Administrators should understand what serverless computing is and how it works, but functional building and deployment is primarily the domain of software developers; most administrators are not involved in their own company's serverless computing infrastructure.
Administrators should understand what serverless computing is and how it works, but functional building and deployment is primarily the domain of software developers; most administrators are not involved in their own company's serverless computing infrastructure.
In internal software deployments, administrators are responsible for configuring computing and other resources to run workloads, and they are often responsible for deploying workloads to configured resources, such as virtual machines and storage volumes.
Agile software development practices take advantage of automation to build or iterate configuration deployments for each software, so there is less direct involvement of administrators. In 2019, agile computing involves configuring and deploying workloads to cloud resources, such as AWS EC2 and S3 instances.
In these cloud deployments, resources incur hourly costs, which are expensive and ineffective. If workloads are used only in a relatively short period of time, why should companies pay for cloud resources?
In order to prevent idle workloads from consuming expensive resources, cloud architects developed the concept of "function". Through a function, the relevant code is loaded and executed in response to triggers (such as real events or other program hooks) and released immediately after the function is completed.
In this way, in the billing cycle, the user only needs to pay the fee according to the number of function calls and the total execution time of the function. Major function-as-a-service providers include AWS, Azure and Google.
Because developers do not need to configure server resources to run functions, this technique is called "serverless computing". It is worth noting that the function requires servers and other infrastructure; it is just invisible to end users and developers.
A successful serverless architecture depends largely on scale and automation. Of course, enterprises with private clouds can also deploy their own serverless architecture. When an enterprise deploys a private cloud and wants functions to appear in internal service options, data center administrators are involved.
Deploying a private cloud with function as a service requires significant mental, technical, and financial investment. In most cases, when an enterprise has software to deploy functions, it can benefit from the scale and automation that already exists in the cloud, and local data center administrators must support and develop local infrastructure to support more traditional workloads.
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