over view of cloud computing
TRANSCRIPT
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Ahsan KabirProject Manager Leads,BangladeshE-mail:[email protected] :TechForumhttp://www.facebook.com/groups/techforumbd/
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THE TRADITIONAL SERVER CONCEPT
In an organization there are many more server resides
according to their functionality i.e Active directory Server
, Application Server ,Database server ,Mail server ,File
server and so on …
Many types of risk involved there Such as Power failure,
Hardware failure, Maintainability problems and Natural
disaster.
To avoid fault tolerance many types of initiative has to
take like as clustering, mirroring, replication and so on…
Application software requires more resources and times.
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SOFTWARE
HARDWARE
NETWORK
IT HR COST
FACILITIES
POWER/COOLING
SUPPORT SERVICE
BACKUP
SECURITY
DISASTER RECOVERY
IT INVESTMENT AND COST INVOLVEMENT
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OUTSOURCING APPS AND SERVERS
LIST OF APPLICATION
ERPCRMMERCHANT SERVICEHR MANAGEMENT MARKETING ANALYSIS
LIST OF SERVERS
MAIL SERVERACTIVE DIRECTORY SERVERAPPLICATION SERVERDATABASE SERVERANTIVIRUS SERVER DNS SERVERPROXY SERVERFILE SERVER
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WHAT IS CLOUD COMPUTING?
To access someone else's software running on someone else's hardware in someone else's data center using the internet.
An Organization can get service as rental basis from service provider (IBM ,Microsoft, Amazon, Google, Virtu Stream ).
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hardware
software
facilities
power/cooling
IT HR Cost
support
network
security
maintenance
disaster recovery
backup
SAVING IT INVESTMENT AND COST
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Hardware virtualization or platform virtualization refers to the creation of a virtual machine that acts like a real computer with an operating system. Software executed on these virtual machines is separated from the hardware resources.
In hardware virtualization, the host machine is the actual machine on which the virtualization takes placethe guest machine is the virtual machine.The software or firmware that creates a virtual machine on the host hardware is called a hypervisor or Virtual Machine Manager.
VIRTUALIZATION
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Cloud Computing Characteristics
Pay as You use
Virtualization Device independence
Advanced Security
Unlimited Storage
Massive Scalability flexibility of Computing
Always on!, Anywhere
Essential Characteristics:
Resource Pooling
Network Access Rapid Elasticity
Measured Service
On Demand Self-Service
Common Characteristics:
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CLOUD SERVICE MODELS
Infrastructure as a Service (IaaS)Platform as a Service (PaaS)Software as a Service (SaaS)
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INFRASTRUCTURE AS A SERVICE (IAAS)
User can get dynamic infrastructure facility(CPU, Memory, and Network Bandwidth) by the provider in virtualized form.
Amzon is the pioneer of IaaS. Other leading providers are Rackspace,Windows Azure,VirtuStream,, GoGrid, Joyent, Rightscale , NetMagic and InstaCompute.
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PLATFORM AS A SERVICE (PAAS)
Service Provider provide cloud environment for development and deployment software.
In this environment Application developer can do development to testing without buying complex hardware or can avoiding preparing and manage complex environment.
With some PaaS offers, the underlying compute and storage resources scale automatically to match application demand
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SOFTWARE AS A SERVICE
Cloud providers Prepare software deployment environment and user can host application software.
Cloud provider Maintained and managed software and infrastructure backup, security or infrastructural maintenance.
Project Management: DeskAway , Zoho Mail, Chat, Docs, Project, Sheet, Writer etc.CRM apps Impel CRM, Salesforce.com, and Microsoft Dynamics.Cloud based Storage Drop box, Skydive (windows live), Amazon S3, Google Docs, Box.net, Mozy.
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DEPLOYMENT MODELS
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PRIVATE CLOUD Private Cloud solely use for a single organization
to enable their IT infrastructure to more capable of quickly adapting to continually evolving business
needs and requirements
Optimizes the use of computing resources
Ensures security potential risk
managed internally or by a third-party
Risk reduction from natural disaster
User Group
Research organization Corporate house
Tools
CloudStack
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PUBLIC CLOUD
A public cloud is one in which a service provider makes resources, such as applications and storage, available to the general public over the Internet
Public clouds offer greater elasticityInexpensive SetupPay For What You Use
User Group
Corporate organization need state of the earth
Tools
Windows Azure, Google Apps
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HYBRID CLOUD
Hybrid cloud is an environment where the private and public services are used together to create value.
Application deployed in public cloud platform but Keep data into a private cloud
SaaS applications where data moves betweenprivate cloud or data center
User Group
Corporate organization need state of the earth
Tools
Windows Azure, Google Apps
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VIDEO PRESENTATION ON CLOUD DATA CENTER
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Software as a Service(SaaS)
Software as a Service (SaaS) makes use of a cloud computing infrastructure to deliver one application to many users, regardless of their location, rather than the traditional model of one application per desktop.
1. SaaS (Software as a Service) is low cost
2. Less Hardware Requirement
3. Capital expense to operational expense.
4. Reduce IT infrastructure Cost
5. Minimize maintenance cost
6. Reduce energy consumption
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single-Tenant architecture user use dedicated instance of application software hosting on a server and database not shared. SAP is the company which provides service following the single tenant architecture.
Multi-tenant architecture, multiple companies’ use same instance of application software. It is hosted in a server and data are kept in same server and data are separated by simple partition that prevents data migration. Salesforce.com is the successful SaaS provider having the multi-tenant architecture.
SaaS Architecture :Single tenant vs. Multi- tenent
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Microsoft’s SaaS Apps
Team Foundation Server Online
Microsoft Exchange Online
Microsoft SharePoint Online
Microsoft Office Communications Online
Microsoft Office Live Meeting
Microsoft Exchange Hosted Services
Microsoft Dynamics CRM Online
Windows Live services
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Business Opportunities as SaaS Moves
Forrester Research predicts that SaaS market will grow by 25 percent this year, to $59 billion, and reach $75 billion in 2014.
Bureau of Labor Statistics:27.9 million small companies in the U.S. those with fewer than 100 employees – had to settle for expensive and poorly scaled-down versions of vendors’ enterprise solution and there are just 18,500 companies with 500 employees or more.
Gartner revealed that “77 percent of companies were expecting to invest in SaaS at the beginning of 2013”
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WHAT IS WINDOWS AZURE?
Public Cloud platform Build, Deploy and Manage applications build applications using any language, tool or frameworkapplications that use this data running on-premisesmassively scalable applications with lots and lots of users
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