On-demand self-service

As explained in Acing the CCNA Exam: Volume 2 Advanced Networking and Security

On-demand self-service is a cloud-computing characteristic that lets customers provision or stop services without direct interaction with the provider's personnel.

On-demand self-service lets a customer use or stop a cloud service when needed without direct human interaction with the provider. A web portal provides the access point for self-service provisioning and control. section 17.3.1

Figure 17.11 The AWS web portal through which customers can access services. Human-to-human interaction with AWS isn’t necessary.

The AWS web portal illustrates customer-controlled cloud access without human-to-human interaction with the provider. section 17.3.1

Key points:

• Customers start or stop services as required. section 17.3.1
• The provider’s personnel do not need to handle each request directly. section 17.4
• The characteristic forms part of the five essential characteristics of cloud computing. section 17.3.1

How Acing the CCNA Exam: Volume 2 Advanced Networking and Security covers it

How deep it goes

Defines the characteristic and gives a web-portal example, but stops short of implementation procedures or service-specific configuration.

Examples

Uses the AWS web portal as the concrete example of customer-controlled service access.

What it assumes

Assumes only the distinction between cloud services and direct human interaction with a provider.

What you can do after

Operate cloud services through a web portal without direct provider-personnel interaction.

How it connects

Connects cloud computing with broad network access, resource pooling, rapid elasticity, measured service, and cloud service models.

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Related concepts

• cloud computingpart of · Cloud computing is the on-demand delivery of computing resources and services over a network from remotely managed infrastructure.

This explainer was generated by Manning's knowledge graph from the text of Acing the CCNA Exam: Volume 2 Advanced Networking and Security. The section links point to the parts of the book it draws on.