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Cloud Computing Concepts: Infrastructure Components


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Cloud Computing Concepts: Infrastructure Components

There are several important components which are involved in cloud computing infrastructure. These components comprises:

·         Servers

·         Storage

·         Network

·         Management Software

·         Deployment software

·         Platform Virtualization

 

 

Now we are going to see all these components one by one:

Hypervisor

Hypervisor is a firmware or low-level program that acts as a Virtual machine Manager. It enables us to share the single physical instance of cloud resources between several tenants.

Management software

Management software helps to maintain and configure the infrastructure.

Deployment Software

Deployment software helps to deploy and integrate the application on the cloud

Network

This is the key component of cloud infrastructure. It allows to connect cloud services over the Internet it is also possible to deliver network as a utility over the internet, i.e. the consumer can customize the network route and protocol.

Servers

Server helps to compute the resource sharing and offers other services like resource allocation, and de-allocation, monitoring resources, security, etc.

Storage

Cloud follows distributed file system for storage purpose. If one of the storage resource fails, then it can be extracted from another one which make cloud computing more robust and reliable.

 

Core constraints

 

There are some fundamental Infrastructural constraints that a cloud must follow and implement as to build a dynamic and intelligent Infrastructure:

 

Transparency

Since Virtualization is the key to share resources in cloud environment. But it is not possible to satisfy the demand with single resource or server. Therefore, there must be transparency in resources, load balancing and application, so that we can scale them on demand.

 

Scalability

Scaling up an application delivery solution is not that easy as scaling up an application because it involves configuration overhead or even re-architecting the network. So, application delivery solution is need to be scalable which will require the virtual infrastructure such that resources can be provisioned and de-provisioned easily.

Intelligent Monitoring

In order to achieve on demand transparency and scalability, application solution delivery will need to be capable of intelligent monitoring. It will need to understand when a particular server is overwhelmed and when network conditions are adversely affecting the application performance. It need to know the applications and services being served from the cloud and understand when behavior is outside accepted norms

 

Security

Cloud computing is somewhat risky if the data coming from the user is not secured. That means that the mega data center must be architected with security in mind, and it must be considered a priority for every application, service and network infrastructure solution that is deployed. The application delivery solution, as the “control node” in the mega data center, is necessarily one of the first entry points into the cloud data center and must itself be secure.

 


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