Published on March 14, 2014
Presentation On 03/14/141 Prepared By Ramesh Sigdel MCIS Third Semester Roll No:-12818
Presentation Covered What Is cloud computing? Essential Characteristics (According to NIST) How the Cloud is useful? Do you Use the Cloud? Types of Cloud Service models Advantages/Disadvantages Security Conclusion 03/14/14By:- Ramesh Sigdel2
What Is cloud computing? The term “Cloud Computing” is being over used in last some years Some defines narrowly as virtual services available over the internet, some go very broad, arguing anything you consume outside the firewall is in cloud (including conventional outsourcing) This distinction among experts indicates that it is still somewhat of an evolving concepts 03/14/14By:- Ramesh Sigdel3
What Is cloud computing? Contd… “Cloud” is used as a metaphor for “the internet” so cloud computing means a type of internet based computing NIST 2011 – “Cloud Computing is a model for enabling ubiquitous (ever present), convenient, on-demand network access to a shared pool of configurable computing resources(e.g. networks, servers, storages, applications) that can be rapidly provisioned and released with minimal management effort of service provider interaction.” 03/14/14By:- Ramesh Sigdel 4
What Is cloud computing? Contd… With this reference we can say – Cloud computing have the ability to be everywhere at once – Multiple people can have access to various computing resources as their requirements from any geographic distance. – According to NIST the cloud computing model is composed of five essential characteristics. 03/14/14By:- Ramesh Sigdel5
03/14/14By:- Ramesh Sigdel6
Essential Characteristics On-demand self service – It is a prime feature of most cloud providers – A consumer can provision computing capabilities such as server time and network storage as needed – the user accesses cloud services through an online control panel. – user can scale the required infrastructure up to a substantial level without disrupting the host operations. 03/14/14By:- Ramesh Sigdel7
Essential Characteristics Broad Network access – Resources are available in N/w – Can be accessed through standard mechanism and promote heterogeneous platforms(mobile, tablets, laptops and workstations) – broad network access may not be deployed by many companies in a purely private cloud model. – is becoming more common in hybrid cloud settings. 03/14/14By:- Ramesh Sigdel8
Essential Characteristics (Contd…) Resource pooling – Service provider’s resources are pooled to serve multiple consumers – Resources can be assigned and reassigned to the consumers as they demanded – users are not aware of the physical servers providing the resources. 03/14/14By:- Ramesh Sigdel9
Essential Characteristics (Contd…) Rapid elasticity – Resources capabilities can be elastically provisioned and released – Edwin Schouten defines Elasticity is basically a ’Rename’ of ‘scalability’ and removes any manual labor needed to increase or reduce capacity. 03/14/14By:- Ramesh Sigdel10
Essential Characteristics (Contd…) Measured Services – Resources usage can be monitored, controlled, and reported by both user and administrator – users are able to see their own cloud usage – administrators can see the entire cloud usage – Generally done on pay-per-use or charge-per-use basis 03/14/14By:- Ramesh Sigdel11
How the Cloud is useful? Traditional computer setup requires you to be in the same location as your data storage Cloud makes possible to access your information from anywhere at any time Especially helpful for business that cannot afford the H/w and storage space You only need to pay for resources you will use 03/14/14By:- Ramesh Sigdel12
Do you Use the Cloud? 03/14/14By:- Ramesh Sigdel13
Do you use the cloud (Contd…) 03/14/14By:- Ramesh Sigdel14
Types of Clouds Public Cloud – Computing infrastructure is hosted by cloud vendor at the vendors premises, and can be shared by various organizations. – Ultimate scalability – Cost effective – Utility style costing; public cloud services often employ a pay-as-you-go charging model Avoid wasted capacity – Reliability; number of servers and networks involved – E.g. : Amazon, Google, Microsoft, Sales force 03/14/14By:- Ramesh Sigdel15
Types of Clouds (Contd…) Private Cloud – The computing infrastructure is dedicated to a particular organization and not shared with other organizations, – only the specified client can operate – more expensive and more secure when compare to public cloud. – greater control and privacy. – Cost and energy efficiency in comparison to traditional LANs – E.g. : HP data center, IBM, Sun, Oracle, 3tera 03/14/14By:- Ramesh Sigdel16
Types of Clouds (Contd…) 03/14/14By:- Ramesh Sigdel17 Public Cloud Private Cloud Multiple Clients Hosted at providers Location Shared Infrastructures Access over Internet Low-Cost Single Clients Hosted at providers/Orgs Location Accessed over internet/Private N/w High Security High Cost
Types of Clouds (Contd…) Hybrid Cloud – Organizations may host critical applications on private clouds. – where as relatively less security concerns on public cloud. – usage of both public and private together is called hybrid cloud. 03/14/14By:- Ramesh Sigdel18
Types of Clouds (Contd…) 03/14/14By:- Ramesh Sigdel19 You Got Public Cloud in my Private Network You Got Private Cloud in my Public Cloud
Service Models Each providers serves a specific function, giving users more or less control depending on type While choosing provider compare your needs to cloud services available Cloud you require for personal use may vary than the cloud you require for your business Cloud provider will be pay-as-you-go, you can purchase more resources as they are needed. 03/14/14By:- Ramesh Sigdel20
Service Models (Contd…) Mostly there are three service models of cloud Software as a Service (SaaS) Platform as a Service (PaaS) Infrastructure as a Service (IaaS) 03/14/14By:- Ramesh Sigdel21
Service Models (Contd…) Software as a Service-End User – also known as On-demand Service. – is an application that can be accessed from anywhere on the world as long as you can have an computer with an Internet Connection – We can access this cloud hosted application without any additional hardware or software. – E.g. : G-mail, Yahoo mail, Hotmail etc. – Also they can provide security features such as SSL encryption, a cryptographic protocol. 03/14/14By:- Ramesh Sigdel22
Service Models (Contd…) Platform as a Service-Application Developers – Give us nice API (Application Programming Interface) and take care of the implementation. – In the PaaS model, cloud providers deliver a computing platform and/or solution stack typically including operating system, programming language execution environment, database, and web server. – is a platform for developers to develop their own applications, which means rapid development at low cost – E.g. Salesforce.com, Windows Azure etc. 03/14/14By:- Ramesh Sigdel 23
Service Models (Contd…) Infrastructure as a Service-Network Architect – also known as hardware as a service. – is a computing power that you can rent for a limited period of time. – allows existing applications to be run on a cloud suppliers hardware. – cloud providers offer computers – as physical or more often as virtual machines – raw (block) storage, firewalls, load balancers, and networks 03/14/14By:- Ramesh Sigdel24
Service Models (Contd…) 03/14/14By:- Ramesh Sigdel25 Cloud Clients Web browsers, mobile app, thin client, terminal emulator, … SaaS CRM, Email, virtual desktop, communication, games, … PaaS Execution runtime, database, web server, development tools, … IaaS Virtual machines, servers, storage, load balancers, network, …
Advantages of Cloud Computing Instant, flexible, pay-per-use. No contracts, usage based, no upfront cost Rent based on used only Echo friendly We can reduce E-waste by using Cloud Computing i.e. by Infrastructure as a Service (IaaS). 03/14/14By:- Ramesh Sigdel26
Advantages of Cloud Computing(Contd…) 03/14/14By:- Ramesh Sigdel27 F a c e b o o k D a t e C e n t e r G o o g l e S e r v e r
Disadvantages of Cloud Computing Cloud computing is impossible if you cannot connect to the Internet. Since you use the Internet to connect to both your applications and documents, if you do not have an Internet connection you cannot access anything, even your own documents When you are offline, cloud computing simply does not work Security and Privacy 03/14/14By:- Ramesh Sigdel28
Security Methods of encryption Will they have backup of data Do they have firewall setup 03/14/14By:- Ramesh Sigdel29
Conclusions Cloud Computing is a model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources that can be rapidly provisioned and released with minimal management effort of service provider interaction. 03/14/14By:- Ramesh Sigdel30
Conclusions (Contd…) It opens up the world of computing to the broader range of usages and increases the ease of use (through internet) You must be aware of the security risk of having data stored on the cloud, it can be accessed through an unsecured internet connection 03/14/14By:- Ramesh Sigdel31
03/14/14By:- Ramesh Sigdel32 Any Question Q & A
Do not forgot to provide feedback through Evaluation Report. Thank you so much for your valuable time. 03/14/14 By:- Ramesh Sigdel33
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