E-Business Technology

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1 E-Business Technology Presented to: Prof. Dr. Eduard Heindl By: Bhupesh Sardana BCM WS Date: 21-Jan-2011

2 Business Case Your business is growing exponentially. Your computing need & usage is getting bigger with every passing day. Would you add servers & other hardware's to meet the new demand? Assume, Recession is back & your business is losing customers. The servers & hardware's you added during last quarter s peak season is now idle. Will you sale them? Demand keeps on changing based on world/regional economy, sometimes seasonal traffic burst as well. What will you Do? That s where Cloud Computing comes to rescue you!!

3 Agenda Introduction to Cloud computing Purpose & Benefits & Types of Cloud Architecture : Services & Business model Cloud Computing offerings (Google & Amazon) Comparison between Google & Amazon. Q&A Total Presentation Time: 30 Min Q&A Session: 10 Min

4 What is Cloud Computing? In late 90s or even now, ask any web developer, solution architect or anyone involved in web application development in any capacity: Which symbol do you use to represent Internet on numerous white-board meetings? Obviously the most widely used metaphor for Internet was/is Cloud. Cloud computing has derived its name from the same line of thinking. Cloud Computing is a *style of computing which must cater to the following computing needs: 1. Dynamism 2. Abstraction 3. Resource Sharing * Gartner s phrase

5 A Working Definition of Cloud Computing by NIST Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. NIST : The National Institute of Standards and Technology Source: NIST Definition of Cloud Computing v15, csrc.nist.gov/groups/sns/cloud-computing/cloud-def-v15.doc

6 What is the purpose and benefits? Cloud computing enables companies and applications, which are system infrastructure dependent, to be infrastructure-less. By using the Cloud infrastructure on pay as used and on demand, all of us can save in capital and operational investment! Clients can: Put their data on the platform instead of on their own desktop PCs and/or on their own servers. They can put their applications on the cloud and use the servers within the cloud to do processing and data manipulations etc.

7 Types of Cloud / Cloud Deployment Models Public cloud Sold to the general public, mega-scale infrastructure Private cloud / Internal cloud enterprise owned or leased Hybrid cloud composition of two or more clouds, part of the service infrastructure runs in private clouds while the remaining part runs in public clouds

8

9 Cloud Computing Components / Types of Services. Source: David S. Linthicum, Cloud computing and SOA convergence in your enterprise, Chapter 1, Page No 11

10 Service-driven business model Software as a Service(SaaS) Platform as a Service (PaaS) Infrastructure as a Service (IaaS)

11 Infrastructure as a Service (IaaS) This is the base layer of the cloud stack. Refers to on-demand provisioning of infrastructural resources, usually in terms of VMs. End user has full controls over the virtualized computer instance, and can customize the instance accordingly. IaaS is charged on a utility basis depending on the consumption of the resources. Advantages: Pay per use, Instant Scalability, Security, Reliability, APIs Examples: Amazon EC2 and GoGrid.

12 Platform as a Service(PaaS) Refers to providing platform layer resources, including operating system support and software development frameworks. It delivers a computing platform and solution stack as a service. Hides all the complexity of managing the underlying hardware, provides all the facilities required to support the complete lifecycle of building and deploying web applications and services entirely from the internet. Examples: Google App Engine, Microsoft Windows Azure and Force.com.

13 Software as a Service(SaaS) This is the Top most layer of the cloud computing stack - directly consumed by end user. Refers to providing on demand applications, Provider delivers its software as a service to be used by customers on demand. All the functions of a sophisticated traditional application to many customers through a Web browser. Little or no code is running on the Users local computer. Eliminates customer worries about application servers, storage, application development and related, common concerns of IT. Examples: Salesforce.com, Rackspace and SAP Business By Design.

14 Some Commercial Cloud Offerings

15 Amazon Web Services (AWS) is a set of cloud services, providing cloud-based computation, storage and other functionality that enable organizations and individuals to deploy applications and services on an on-demand basis and at commodity prices. Amazon Web Services offerings are accessible over HTTP, using REST and SOAP protocols.

16 AWS Management Console

17 Pricing. Source & for more Information:

18 Google is the leader in search services on the Internet and has a significant presence and properties in advertising, collaboration, , and social networking sites. Google has massively scaled data centers with customized caching algorithms that host the fastest search engine in the world.

19 Google offerings in Software as a Service (SaaS). Google'sgmailoffers users to host their s on Google servers, besides providing a web interface to access them. Gmail is free for individuals. For business users, Source for Piicture: Google docsis a web-based software for building documents. It has the functionality to build text documents, spreadsheets and presentations Google calendaris a browser based scheduler. Its feature set is rich and includes daily/weekly/monthly view, multiple calendars for a user, and ability to search events. Picasais a free Google tool to edit images. Picasa allows you to upload and share images and videos on Google's data centers. Google Groupsallows users to host discussion forums. Google Groups allow users to create messages online or via . Access to Google Groups is completely free

20 Google offerings in Platform as a Service (PaaS). In the Platform as a Service (PaaS) space Google is a market leader. Google AppEngine is Google's offering in the PaaS space. Google AppEngine is a developer platform hosted on Google's cloud The database available is a nonrelational database. Database can be accessed with GQL (Google Query Language). GQL has SQL like syntax.

21 Support & Pricing. Sources & for More Information

22 Comparison Between two major Cloud Computing service provider.

23 Offerings Classes of Utility Computing EC2 (Elastic Compute Cloud) plus S3 (Simple Storage Service) Infrastructure service Google App Engine Platform service Types of General-purpose General-purpose Windows Applications applications Applications Auto Scaling Data Storage System Automatically changing the number of instances based on parameters that users specify Elastic Block Store; Amazon Simple Storage Service (S3); Amazon SimpleDB Automatic Scaling which is transparent to users BigTable and MegaStore. Persistent storage with queries, sorting and transactions

24 Cntd. Operating Systems Supported Languages Applications & Framework Scalability Security Linux Linux and Red Hat Enterprise MySQL Enterprise and OpenSolaris Limited to 20 virtual computer instances during beta period; additional instances are allowed Provides Web service interfaces to configure firewall settings that control network access to and between groups of instances Linux, Microsoft Windows and Mac OS X Python Django. Services include URL Fetch, Memcache and image manipulation Up to 5 million page views per month with preview release Service runs on Google s secure infrastructure. App Engine provides a secure sandbox environment

25 Cntd. Resource Abstraction Tech. & Virtualization Technology Server Virtualization (Xen) Technique-specific sandbox Redundancy Features Control Panel Development Tools Ability to place server instances in multiple locations and elastic IP addresses Web service interface Command line tools for building AMIs Fault tolerant servers Proprietary, the Administration Console Python runtime environment

26 References. Baun, Christian, Kunze, Marcel, Nimis, Jens, Tai, Stefan: Cloud Computing : Webbasierte dynamische IT-Services, Springer-Verlag Berlin Heidelberg, 2010 David S. Linthicum, Cloud computing and SOA convergence in your enterprise: a stepby-step guide, Addison-Wesley, 2009 Ling Qian, Zhiguo Luo, Yujian Du, and Leitao Guo, Cloud Computing: An Overview. Qi Zhang, Lu Cheng, Raouf Boutaba: Cloud computing: state-of-the-art and research challenges Published online: 20 April 2010 White Paper by ThinkGrid: Introduction to cloud computing, White paper by LAD ENTERPRIZES, INC

27 Thank You.

Author Name: Bhupesh Saurabh Sardana. MtrKno: 235243. Title: Term Paper for E-Business Technology. Course: BCM WS 2010-2011

Author Name: Bhupesh Saurabh Sardana. MtrKno: 235243. Title: Term Paper for E-Business Technology. Course: BCM WS 2010-2011 Author Name: Bhupesh Saurabh Sardana MtrKno: 235243 Title: Term Paper for E-Business Technology. Course: BCM WS 2010-2011 Professor: Dr. Eduard Heindl Date: 19-Jan-2011 Declaration I certify that the work

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