ELC 200 Day 9
Agenda <ul><li>Questions from last class? </li></ul><ul><li>Assignment 2 Corrected </li></ul><ul><ul><li>12 A’s, 3 B’s, 2 ...
Hosting Your Web Site
The focus of this chapter is on several learning objectives <ul><li>ISPs and the services they offer </li></ul><ul><li>How...
Terms to Know <ul><li>Internet Service Provider (ISP) :  company that connects customers with PCs and browsers to the Inte...
Why Use an ISP? <ul><li>Most client organizations are anxious to go on the Internet without questioning the reliability of...
The Infrastructure of an ISP Provider <ul><li>Your company Web site has to be stored on a Web server that is always connec...
Web Site Infrastructure
Types of Service Providers <ul><li>Internet service provider (ISP) :  a specialized business that offers Internet access <...
Types of Web Hosting Services <ul><li>Web Hosting :  providing, managing, and maintaining hardware, software, content inte...
From you to the ISP <ul><li>Winsock TCP/IP protocol stack on PC separates message into packets </li></ul><ul><li>Packets c...
The Backbone of the Internet <ul><li>Backbone: a cluster of competing companies called network service providers. </li></u...
Packets, Routers, and Routes on the Internet
Internet Service Providers
Internet Backbone from UUNET
Selected Connection Types, Features and Speed  ( costs are estimates)
ISP Structure and Services <ul><li>ISPs connect to NSPs </li></ul><ul><li>Two types of ISPs </li></ul><ul><ul><li>Faciliti...
ISP Services <ul><li>An ISP provides a variety of service - the expectations of any customer are for main services to incl...
ISP Optional Service <ul><li>World Wide Web server </li></ul><ul><li>File transfer protocol (FTP) </li></ul><ul><li>Intern...
Technical Services <ul><li>A  T1 line   is a digital carrier line that transmits digital signals at 1.544 Mbps </li></ul><...
Technical Services  (Cont’d)   <ul><li>Four types of broadband available for home access are: </li></ul><ul><ul><li>Cable ...
Factors In Choosing an ISP See Questions to Ask On page 144 & 145
Major Consumer Problems with ISPs <ul><li>Paying with a Debit Card </li></ul><ul><li>Technical support that turns out not ...
Checking out an ISP <ul><li>Find someone with experience who’s been using the ISP for at least three months and ask how go...
ISP Rating Sites <ul><li>http://reviews.cnet.com/ISP_buying_guide/4520-7606_7-728424-1.html   </li></ul><ul><li>http://www...
Trends <ul><li>Growing trend toward no-fee and cut-rate Internet services </li></ul><ul><ul><li>Microsoft’s Hotmail </li><...
Services to Expect From ISP <ul><li>Register you domain name </li></ul><ul><li>Capture and forward your e-mail </li></ul><...
Importance of a Domain Name <ul><li>A URL should be easy to remember and should represent what the company is all about </...
Choosing a Domain Name <ul><li>List the possible domain names that fit your organization’s image, products, or services </...
Legal Issues When Choosing Domain Names <ul><li>Determine if the proposed domain name infringes on trademarks </li></ul><u...
Registering Your Domain Name <ul><li>Two ways to register: </li></ul><ul><ul><li>On your own </li></ul></ul><ul><ul><li>Th...
Three FAQs About Domain Names <ul><li>What is involved in registering a domain name in .com, .net, or .org? </li></ul><ul>...
Definitions of Application Service Provider (ASP) <ul><li>An organization that hosts software applications on its own serv...
Services Offered by ASP <ul><li>Owns and operates a software application </li></ul><ul><li>Owns, operates, and maintains t...
Benefits of ASP <ul><li>Outsourcing to an ASP lets the firm concentrate on its core competencies </li></ul><ul><li>ASPs ca...
Service Level Agreement <ul><li>Service Level Agreement (SLA):  a contract between the user and the ASP vendor stating the...
Chapter Summary <ul><li>Internet service providers (ISPs) are attractive to many companies for several reasons: </li></ul>...
Chapter Summary ( Cont’d ) <ul><li>Hosting a Web site involves three major items:  hardware, communications network and qu...
Chapter Summary ( Cont’d ) <ul><li>Shopping for a Web-hosting ISP involves: </li></ul><ul><ul><li>align bandwidth </li></u...
Chapter Summary ( Cont’d ) <ul><li>For online marketing, an ISP should be capable of: </li></ul><ul><ul><li>Registering yo...
Chapter Summary ( Cont’d ) <ul><li>ASPs are services provided through the Internet </li></ul><ul><li>To consider becoming ...
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elc200day9.ppt

  1. 1. ELC 200 Day 9
  2. 2. Agenda <ul><li>Questions from last class? </li></ul><ul><li>Assignment 2 Corrected </li></ul><ul><ul><li>12 A’s, 3 B’s, 2 C’s, and 1 non-submits </li></ul></ul><ul><li>Assignment 3 Posted </li></ul><ul><ul><li>Due March 1 @ 12:35PM </li></ul></ul><ul><li>Quiz 2 will be on March 8 </li></ul><ul><ul><li>Chapter’s 4, 5, 6 </li></ul></ul><ul><ul><li>20 M/C @ 4 Points each </li></ul></ul><ul><ul><li>4 short essays @ 5 Points each </li></ul></ul><ul><ul><li>1 extra credit question for 5 Points </li></ul></ul><ul><ul><li>50 mins, Open Book, Open Notes </li></ul></ul><ul><li>Possible Extra Credit questions </li></ul><ul><ul><li>Where’s my name? </li></ul></ul><ul><ul><li>1 st dot com IPO </li></ul></ul><ul><ul><li>Who’s this guy? >>> </li></ul></ul><ul><li>Finish Discussion on Hosting your Web Site </li></ul>
  3. 3. Hosting Your Web Site
  4. 4. The focus of this chapter is on several learning objectives <ul><li>ISPs and the services they offer </li></ul><ul><li>How to choose an ISP </li></ul><ul><li>How to register a domain name </li></ul><ul><li>Role of application service providers </li></ul><ul><li>How to select an ASP to suit your needs </li></ul>
  5. 5. Terms to Know <ul><li>Internet Service Provider (ISP) : company that connects customers with PCs and browsers to the Internet </li></ul><ul><li>Virtual hosting : a company with its own domain name, hosted by an ISP to conduct business via the Internet </li></ul><ul><li>Virtual domain : a company with its own domain name, hosted by an ISP to conduct business via the Internet </li></ul><ul><li>Domain name : a company’s identifier in cyberspace </li></ul>
  6. 6. Why Use an ISP? <ul><li>Most client organizations are anxious to go on the Internet without questioning the reliability of the ISP that can accommodate their Web site </li></ul><ul><li>There is more to deciding on an ISP than price: </li></ul><ul><ul><li>Technology </li></ul></ul><ul><ul><li>Staffing </li></ul></ul><ul><ul><li>Speed </li></ul></ul><ul><ul><li>Amount of congestion </li></ul></ul><ul><li>Resources to host your own Web site: </li></ul><ul><ul><li>Hardware - A Web server, communication gear, and a special router: $5,000 to $18,000 a year </li></ul></ul><ul><ul><ul><li>http://www.dell.com/content/products/category.aspx/servers?c=us&cs=04&l=en&s=bsd&~ck=anavml </li></ul></ul></ul><ul><ul><li>Communications - Typically a T1 or fractional T1 line: $8,000 to $12,000 per year </li></ul></ul><ul><ul><ul><li>http://www.speakeasy.net/business/ </li></ul></ul></ul><ul><ul><li>Staff - At least a Webmaster, a Web designer, and a help desk: $45,000 to $80,000 per year </li></ul></ul><ul><ul><li>Total - $58,000 to $110,000 per year </li></ul></ul>
  7. 7. The Infrastructure of an ISP Provider <ul><li>Your company Web site has to be stored on a Web server that is always connected to the Internet by a high-speed link </li></ul><ul><li>An ISP should provide: </li></ul><ul><ul><li>Standby electric power as backup to keep the site available in the event of a blackout. </li></ul></ul><ul><ul><li>Redundant fault-tolerant servers to ensure that your Web site will continue in the event of a hard drive or a server breaks down. </li></ul></ul><ul><ul><li>Redundant communications lines to keep your site active in the event a phone line or a router goes down </li></ul></ul><ul><ul><li>One or more firewalls to protect your Web site from hackers or unauthorized access. </li></ul></ul>
  8. 8. Web Site Infrastructure
  9. 9. Types of Service Providers <ul><li>Internet service provider (ISP) : a specialized business that offers Internet access </li></ul><ul><li>Applications service provider : offers packaged software for lease online </li></ul><ul><li>Wireless application service provider (WASP) : a company that offers untethered applications; hosting, developing, and managing applications are similar to that of an ASP </li></ul><ul><li>Business service provider (BSP) : and Internet service developer that rents only its own proprietary applications via the Web </li></ul><ul><li>Whole service provider (WSP) : a service provider that packages a selection of BSP applications for distribution online </li></ul>
  10. 10. Types of Web Hosting Services <ul><li>Web Hosting : providing, managing, and maintaining hardware, software, content integrity, security, and reliable high-speed Internet connections </li></ul><ul><li>Four types of Web hosting services: </li></ul><ul><ul><li>Dial-up access </li></ul></ul><ul><ul><li>Developer’s hosting </li></ul></ul><ul><ul><li>Web hosting only </li></ul></ul><ul><ul><li>Industrial-strength hosting </li></ul></ul><ul><li>http://www.top-10-web-hosting.com/?wcw=google </li></ul>
  11. 11. From you to the ISP <ul><li>Winsock TCP/IP protocol stack on PC separates message into packets </li></ul><ul><li>Packets converted to analog format by modem </li></ul><ul><li>Analog signal sent over ordinary telephone line </li></ul><ul><li>Receiving modem coverts from analog back to digital </li></ul><ul><li>ISP sends from its computer to a dedicated connection to some bigger ISP </li></ul>
  12. 12. The Backbone of the Internet <ul><li>Backbone: a cluster of competing companies called network service providers. </li></ul><ul><li>Backbones a usually fiber optic trunk lines with extremely high bandwidths. </li></ul><ul><li>Backbones connect major network nodes and allow smaller ISPs access to the internet </li></ul><ul><li>One NSP (Sprint) backbone map of USA </li></ul>
  13. 13. Packets, Routers, and Routes on the Internet
  14. 14. Internet Service Providers
  15. 15. Internet Backbone from UUNET
  16. 16. Selected Connection Types, Features and Speed ( costs are estimates)
  17. 17. ISP Structure and Services <ul><li>ISPs connect to NSPs </li></ul><ul><li>Two types of ISPs </li></ul><ul><ul><li>Facilities-based ISPs have significant start-up costs associated with hardware and software purchases and Internet access leases </li></ul></ul><ul><ul><li>Virtual ISPs do not have any of these costs </li></ul></ul><ul><ul><li>Marketing and sales to generate new customers </li></ul></ul><ul><ul><ul><li>Residential customers </li></ul></ul></ul><ul><ul><ul><li>Commercial customers </li></ul></ul></ul><ul><ul><ul><li>Public customers </li></ul></ul></ul>
  18. 18. ISP Services <ul><li>An ISP provides a variety of service - the expectations of any customer are for main services to include: </li></ul><ul><ul><li>Domain name server (DNS) : a repository where the domain name for each ISP is stored </li></ul></ul><ul><ul><li>E-mail : the most commonly used service on the Internet </li></ul></ul><ul><ul><li>Radius server : a network access server that authenticates a user’s ID and password and triggers accounting to complete the customer’s chargeable session </li></ul></ul>
  19. 19. ISP Optional Service <ul><li>World Wide Web server </li></ul><ul><li>File transfer protocol (FTP) </li></ul><ul><li>Internet relay chat (IRC) : a text-based chat service, where users connect to a local server as part of a larger network of IRC servers </li></ul><ul><li>News Server </li></ul><ul><li>HTTP proxy service </li></ul><ul><li>A minimum of two servers of each type are needed to launch a start-up ISP </li></ul>
  20. 20. Technical Services <ul><li>A T1 line is a digital carrier line that transmits digital signals at 1.544 Mbps </li></ul><ul><li>A T3 line transmit digital signals at 44,736 Mbps </li></ul><ul><li>Fiber-optic-based Internet : </li></ul><ul><ul><li>OC-3 155.52 Mbps $12,000/month + carrier </li></ul></ul><ul><ul><li>OC-12 622.08 Mbps $30,000/month + carrier </li></ul></ul><ul><ul><li>OC-768 40 Gbps Don’t ask! </li></ul></ul><ul><li>A broadband connection on the Internet means many times the speed of the old dial-up service via modems </li></ul>
  21. 21. Technical Services (Cont’d) <ul><li>Four types of broadband available for home access are: </li></ul><ul><ul><li>Cable modems </li></ul></ul><ul><ul><li>Digital subscriber line (DSL) </li></ul></ul><ul><ul><li>Fiber-optic networks </li></ul></ul><ul><ul><li>Wireless technology </li></ul></ul>
  22. 22. Factors In Choosing an ISP See Questions to Ask On page 144 & 145
  23. 23. Major Consumer Problems with ISPs <ul><li>Paying with a Debit Card </li></ul><ul><li>Technical support that turns out not to be free </li></ul><ul><li>Dialing a number to connect to the ISP that is not a local call </li></ul><ul><ul><li>Long distance charges </li></ul></ul><ul><li>Trouble canceling an account </li></ul><ul><li>Identity theft and the problems that ensue </li></ul><ul><ul><li>Phake phree ISP’s </li></ul></ul>
  24. 24. Checking out an ISP <ul><li>Find someone with experience who’s been using the ISP for at least three months and ask how good they find the service </li></ul><ul><li>Find out the number of users the ISP has in your area and the number of modems in use at the ISP </li></ul><ul><li>Find out the pipe each ISP uses to the Internet </li></ul><ul><li>What is the number of employees the ISP has and the range of service it offers? </li></ul>
  25. 25. ISP Rating Sites <ul><li>http://reviews.cnet.com/ISP_buying_guide/4520-7606_7-728424-1.html </li></ul><ul><li>http://www.webhostingratings.com/ </li></ul><ul><li>http://www.hostcompare.com/index.htm </li></ul><ul><li>http://www.webhostinginspector.com/ </li></ul>
  26. 26. Trends <ul><li>Growing trend toward no-fee and cut-rate Internet services </li></ul><ul><ul><li>Microsoft’s Hotmail </li></ul></ul><ul><ul><li>GMAIL from Google </li></ul></ul><ul><ul><li>NetZero Inc., has close to 2 million registered users </li></ul></ul><ul><li>The business of free ISPs is uncertain </li></ul><ul><li>ISPs generate brand loyalty through portal services </li></ul><ul><li>Speed is what everyone wants </li></ul>
  27. 27. Services to Expect From ISP <ul><li>Register you domain name </li></ul><ul><li>Capture and forward your e-mail </li></ul><ul><li>Host your Web site </li></ul><ul><li>Provide technical and managerial support </li></ul><ul><li>Give on-the-road support </li></ul>
  28. 28. Importance of a Domain Name <ul><li>A URL should be easy to remember and should represent what the company is all about </li></ul><ul><ul><li>Make sure the domain name is officially in your name </li></ul></ul><ul><ul><li>Consider registering the following kinds of domain names: </li></ul></ul><ul><ul><ul><li>One or two close names </li></ul></ul></ul><ul><ul><ul><li>Unique product domain name </li></ul></ul></ul><ul><ul><ul><li>Ideal company domain name </li></ul></ul></ul><ul><li>A URL has three major parts: </li></ul><ul><ul><li>http:// - Internet protocol </li></ul></ul><ul><ul><li>www.virginia.edu - The domain name </li></ul></ul><ul><ul><li>/schls.html - A subdirectory of the file </li></ul></ul>
  29. 29. Choosing a Domain Name <ul><li>List the possible domain names that fit your organization’s image, products, or services </li></ul><ul><li>Ask friends, peers, employees, and others who use the Web </li></ul><ul><li>Narrow the list to a few favorites </li></ul><ul><li>You want to check for availability ( www.internic.net ) </li></ul><ul><li>If the name is not in active use, then proceed with domain name registration </li></ul>
  30. 30. Legal Issues When Choosing Domain Names <ul><li>Determine if the proposed domain name infringes on trademarks </li></ul><ul><li>Make sure the proposed domain name does not adversely affect any famous trademark </li></ul><ul><li>Register as a federal trademark with the U.S. Patent and Trademark Office </li></ul><ul><li>Register the proposed domain name with InterNic or Network Solutions (NSI) </li></ul><ul><li>Look for expanded top-level domain names and registries </li></ul><ul><ul><li>.arts </li></ul></ul><ul><ul><li>.firm </li></ul></ul><ul><ul><li>.info </li></ul></ul><ul><ul><li>.nom </li></ul></ul><ul><ul><li>.per and .nom </li></ul></ul><ul><ul><li>.rec </li></ul></ul><ul><ul><li>.store </li></ul></ul><ul><ul><li>.web </li></ul></ul>
  31. 31. Registering Your Domain Name <ul><li>Two ways to register: </li></ul><ul><ul><li>On your own </li></ul></ul><ul><ul><li>Through an ISP </li></ul></ul><ul><li>ISP charges about $50 for processing in addition to the registration fee </li></ul><ul><li>Possible pitfalls: </li></ul><ul><ul><li>Overcharging </li></ul></ul><ul><ul><li>Domain name status </li></ul></ul><ul><ul><li>Backup </li></ul></ul><ul><ul><li>Contractual language </li></ul></ul>
  32. 32. Three FAQs About Domain Names <ul><li>What is involved in registering a domain name in .com, .net, or .org? </li></ul><ul><li>How long does a registration last? </li></ul><ul><li>Can the registrar be changed after registering a domain name? </li></ul>
  33. 33. Definitions of Application Service Provider (ASP) <ul><li>An organization that hosts software applications on its own servers within its own facilities </li></ul><ul><li>An Internet service provider that also sells application software that runs behind the Web servers at the hosting service </li></ul><ul><li>Companies that sell, support, and manage applications that are hosted on the Internet on behalf of remote end users </li></ul><ul><li>An extension of the ISP business offering Web-based applications as well as Internet access </li></ul>
  34. 34. Services Offered by ASP <ul><li>Owns and operates a software application </li></ul><ul><li>Owns, operates, and maintains the servers that run the application </li></ul><ul><li>Employs the staff to maintain the application </li></ul><ul><li>Makes the application available to customers everywhere via the Internet, normally in a browser </li></ul><ul><li>Bills either on a per-use basis or on a monthly/annual fee basis. In many cases, the ASP can provide the service for free or even pay the customer. </li></ul>
  35. 35. Benefits of ASP <ul><li>Outsourcing to an ASP lets the firm concentrate on its core competencies </li></ul><ul><li>ASPs can keep their technical environment up-to-date </li></ul><ul><li>Employ highly skilled and talented staff </li></ul><ul><li>An ASP can cut monthly costs of application ownership </li></ul><ul><li>Internet bandwidth shifts to the ASP </li></ul>
  36. 36. Service Level Agreement <ul><li>Service Level Agreement (SLA): a contract between the user and the ASP vendor stating the vendor’s commitments to ensure reliable delivery of information. </li></ul><ul><ul><li>Limits of liability </li></ul></ul><ul><ul><li>Example: Service goes out for one day in a month? </li></ul></ul><ul><ul><ul><li>Refund 1/30 of monthly fee of service? </li></ul></ul></ul><ul><li>Shaking hands is not enough. </li></ul><ul><li>Successful outsourcing of any application will require accountability, performance, and remediation to be spelled out and agreed upon by all parties. </li></ul>
  37. 37. Chapter Summary <ul><li>Internet service providers (ISPs) are attractive to many companies for several reasons: </li></ul><ul><ul><li>Specialized staff to manage Web sites </li></ul></ul><ul><ul><li>High-speed connectivity to main Internet hubs </li></ul></ul><ul><ul><li>Real physical security from power outages </li></ul></ul><ul><ul><li>The latest technology </li></ul></ul><ul><li>ISPs can belong to one of three categories: </li></ul><ul><ul><li>Large wholesale access provider </li></ul></ul><ul><ul><li>Smaller Internet backbone provider </li></ul></ul><ul><ul><li>Local ISP </li></ul></ul>
  38. 38. Chapter Summary ( Cont’d ) <ul><li>Hosting a Web site involves three major items: hardware, communications network and qualified staff. </li></ul><ul><li>There are four types of service providers: ISPs, ASPs, BSPs, and WSPs. </li></ul><ul><li>The backbone of the Internet is the group of network service providers that work together to provide total interconnection. </li></ul>
  39. 39. Chapter Summary ( Cont’d ) <ul><li>Shopping for a Web-hosting ISP involves: </li></ul><ul><ul><li>align bandwidth </li></ul></ul><ul><ul><li>connection availability and performance </li></ul></ul><ul><ul><li>virtual hosting </li></ul></ul><ul><ul><li>number of e-mail addresses allowed per account </li></ul></ul><ul><ul><li>ISP stability and staying power </li></ul></ul><ul><ul><li>Free local access </li></ul></ul><ul><ul><li>Customer service and technical support </li></ul></ul><ul><ul><li>ISP reliability and cost of service </li></ul></ul>
  40. 40. Chapter Summary ( Cont’d ) <ul><li>For online marketing, an ISP should be capable of: </li></ul><ul><ul><li>Registering your domain name </li></ul></ul><ul><ul><li>Capturing and forwarding e-mail </li></ul></ul><ul><ul><li>Hosting the Web site </li></ul></ul><ul><ul><li>Technical and managerial support </li></ul></ul><ul><ul><li>On-the-road support </li></ul></ul><ul><li>Your domain name is the “house” for your Web site, e-mail, and other e-commerce transactions </li></ul><ul><li>Wireless application service provider (WASP) handles untethered applications </li></ul>
  41. 41. Chapter Summary ( Cont’d ) <ul><li>ASPs are services provided through the Internet </li></ul><ul><li>To consider becoming an ISP, it is important to: </li></ul><ul><ul><li>consider the target market </li></ul></ul><ul><ul><li>services to provide </li></ul></ul><ul><ul><li>technical requirements </li></ul></ul><ul><ul><li>type of provider to be </li></ul></ul>

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