What is cloud computing презентация

What is the cloud? IT as a service Cloud allows access to services without user technical knowledge or control of supporting infrastructure Best described in terms of what happened to mechanical power over 100 yrs ago Now computers are simple devices connected to the larger cloud Data processing, storage and software applications that used to run locally are now being supplied by big central computing stations. They're becoming, in essence, computing utilities.

Hardware Servers

Cloud

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What is Cloud? Cloud ≈ multiple hardware machines combine their computing power and resources Share them between multiple applications To save costs and use resources more efficiently Public clouds Provide computing resources on demand Publicly in Internet Paid or free of charge (to some limit) Kazakhtelecom Dynamic Cloud Server, PS.kz Jelastic, Amazon AWS, Google App Engine, Microsoft Azure, Rackspace, AppFog, Heroku, AppHarbor, …

Cloud computing types

Cloud

There should be Gartner Magic Quadrant (MQ)

Software delivery model Software delivery model Increasingly popular with SMEs No hardware or software to manage Service delivered through a browser

Advantages Advantages Pay per use Instant Scalability Security Reliability APIs

Examples Examples CRM Financial Planning Human Resources Word processing Commercial Services: Salesforce.com emailcloud

Platform delivery model Platform delivery model Platforms are built upon Infrastructure, which is expensive Estimating demand is not a science! Platform management is not fun!

Popular services Popular services Storage Database Scalability

Advantages Advantages Pay per use Instant Scalability Security Reliability APIs

Examples Examples Google App Engine Mosso AWS: S3

Computer infrastructure delivery model Computer infrastructure delivery model Access to infrastructure stack: Full OS access Firewalls Routers Load balancing

Advantages Advantages Pay per use Instant Scalability Security Reliability APIs

Examples Examples Flexiscale AWS: EC2

Common Factors Common Factors Pay per use Instant Scalability Security Reliability APIs

Advantages Advantages Lower cost of ownership Reduce infrastructure management responsibility Allow for unexpected resource loads Faster application rollout

Cloud Economics Cloud Economics Multi-tenented Virtualisation lowers costs by increasing utilisation Economies of scale afforded by technology Automated update policy

Examples of usage Examples of usage

Your current CRM package is not managing the load or you simply don’t want to host it in-house….use a SaaS provider such as Salesforce.com Your current CRM package is not managing the load or you simply don’t want to host it in-house….use a SaaS provider such as Salesforce.com Your email is hosted on an exchange server in your office and it is very slow…outsource this using Hosted Exchange.

You need to host a large file (5Mb) on your website and make it available for 35,000 users for only two months duration. Use Cloud Front from Amazon. You need to host a large file (5Mb) on your website and make it available for 35,000 users for only two months duration. Use Cloud Front from Amazon. You want to start storage services on your network for a large number of files and you do not have the storage capacity…use Amazon S3.

You want to run a batch job but you don’t have the infrastructure necessary to run it in a timely manner. Use Amazon EC2. You want to run a batch job but you don’t have the infrastructure necessary to run it in a timely manner. Use Amazon EC2. You want to host a website, but only for a few days. Use Flexiscale.

Why Cloud Computing? Pay per use Instant Scalability Security Reliability APIs

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