1. Chapter 6 Internet Service Providers Hosting Your Web Site

2. OBJECTIVES How ISPs Work How to Choose an ISP
MGB 2003
OBJECTIVES
How ISPs Work
How to Choose an ISP
How to Choose and Register Your Domain Name
© 2003 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

3. Introduction
Before you complete the design of web site, you need to find a way to put it on the Internet.
Internet Service Provider
A specialized company that connects customers with PCs and browsers to the Internet

4. Introduction 1969 only four hosting company exist
1985 there were 1,960 companies
By 2005 there were more than 3,000ISPs in the USA and more than 15,000 world wide
For a fee, the ISP gives you a software package, a user name and password, and an access number to connect to the Internet

5. Allow you to have your own domain name such as www.yourcompany.com
Introduction
ISPs provide
Virtual hosting ( virtual domain ):- a company with its own domain name, hosted by an ISP to conduct business via the internet.
Domain name: a company’s identifier in cyberspace
Allow you to have your own domain name such as
Rather than using your ISPs domain name

6. Introduction
Most of MS to S organizations turn to ISPs for the following
Companies need a full time stuff and webmaster to handle day to day changes and enhancement to the site
ISPs generally provide free management for websites, such as security, and backup
ISPs have high speed connectivity
T1 and T3 lines to main Internet hubs

7. Introduction
T1 line transmit long distance data at 1.5 megabits ( million bits) per second
T3 line with capability of transmitting 44.7 MBit per second

8. Introduction
Most of MS to S organizations turn to ISPs for the following
4. ISPs can handle real access and real physical security, from power supplies and air conditioning to network links
5. ISPs often have the latest technology for thousands of customers (cost)

9. HOW ISPs WORK
ISPs are cheaper, more reliable, and provide services that are difficult to match in house
To access web site, it has to be stored on a web server that is always connected to the Internet by a high-speed link, Infrastructure includes the following
Standby Electric Power
To keep the site available in the event of a blackout
Redundant “Fault-Tolerant” Servers
To ensure that your web site will continue in the event a hard drive or a server breaks down

10. HOW ISPs WORK Web Site Infrastructure
3. Redundant Communications Lines
To keep your site active in the event of phone line or a router goes down
4. One or More Firewalls
To protect your site from hackers and unauthorized access

11. TYPES OF SERVICE PROVIDERS
Internet Service Provider (ISP)
Application Service Provider (ASP)
Business Service Provider (BSP)
Wholesale Service Provider (WSP)
Wireless Application Service provider (WASP)

12. TYPES OF SERVICE PROVIDERS
Internet Service Provider
Specialized company that connects customers with PCs and browser to the internet
Allow user to access the Internet via modem using a voice telephone network or directly via cables.
Provides an interface between the public phone system and Internet digital phone lines, which carry packets instead of voice conversation

13. TYPES OF SERVICE PROVIDERS
Application Service Provider
A company that offers packaged software for lease online
Application renter
Focuses on high end application like database
These applications are expensive, take a lot of time to install, and hard to manage

14. TYPES OF SERVICE PROVIDERS
Business Service Provider (BSP)
Internet service developer that rents only its own proprietary application via web
Generally the software is specific in function

15. TYPES OF SERVICE PROVIDERS
Wholesale Service Provider (WSP)
Service provider that packages a selection of BSP application for distribution online
fall into one of three categories
Large wholesale access provider
Smaller Internet backbone
Local ISPs

16. TYPES OF SERVICE PROVIDERS
Wireless Application Service provider
A company that offers untethered application
Responsibilities involve hosting, developing, and manage applications
WASP infrastructure require integration between the web and the wireless network
Deal with a wide range of hardware and mobile devices and wireless networking protocol

17. TYPES OF WEB HOSTING SERVICES
Web hosting : providing, managing, maintaining hardware, software, integrity, security, and reliable high speed Internet connection
Dial-Up Access
Developer’s Hosting : customer focused
Web Hosting: provides variety of services
Industrial Strength Hosting: more reliable

18. Packets, Routers, and Lines
On the Net, Information is sent and receive in packets, which is small in size
Packets can take a different route across the Net
Packets may arrive at different time and different order.

19. Packets, Routers, and Lines
Conversion from analog to digital and vice versa introduce noise, noise limits certain modem to 33,600bps.
If the packets coming from the ISP to the phone lines could remains digital all the way to the customer, data could be sent at 56K from to ISP to customer
The way to do this for customer is to get (ISDN) Integrated services digital network line from their phone company

20. The Connection
When you dial into an ISP you dial into router owned by the ISP
Also ISP has a router connected to the larger ISP, this second router is the gateway to the Internet

21. HOW TO BECOME AN ISP ISPs have 3 major target market Residential
Fastest growing segment
Commercial
Included e-commerce and e-business
Most critical service to provide
High level of quality
Dedicating connection
security
Public
Like universities, schools, …

22. ISP Services An ISP is expecting to provide the following
Domain Name Service (DNS)
A repository where the domain name for each ISP is stored
The most commonly used service on the Internet
ISP must dedicated a separate server for
Key to consider mail storage capacity and maximum size for each user

23. AN ISP Services An ISP is expecting to provide the following
Radius server
A network access server that authenticates a user ID and password and trigger accounting to complete the customer chargeable session
The network access server forward request to this server database to authenticate a user Id and password, if the combination is valid the request is accepted, otherwise is rejected

24. ISP Services An ISP is expecting to provide the following WWW server
Can be run on the same hardware as DNS, , and Radius system.
FTP
Accept connection form client trying to connect to its server
Internet relay chat (IRC)
Text-based chat service, where users connect to local server as part of a larger network of IRC servers

25. ISP Services An ISP is expecting to provide the following News server
Internet network news is becoming more popular, because there is so much data traffic for news
HTTP proxy service
Generates and manages a local store of Internet objects such as web pages, images, or FTP and deliver the objects when requested (caching)
When a web page is requested, the proxy server examines its internal database to see if the page is store in the cache
Minimize data traffic, speed up request

26. Technical Services Local loop:
the connection between the provider and the physical location
Cost depends on the size and distance from the provider and local telephone company central office.
Several cable-based options are available, The include T1 and T3 lines, fiber optic, and number of server

27. Technical Services Broadband connection
The Speed of the old dial-up service via modem
Broadband communication can carry multiple messages simultaneously over the same medium

28. Broadband for home access
Cable modem:
First introduce in 1995
Digital subscriber line (DSL)
Is ideal for homes that that are within four miles of central office
Speeds are rated at 50 times faster than cable modem
Fiber-optic network
Wireless technology

29. HOW TO BECOME AN ISP
Contract with a regional network providing with bandwidth
Procure a leased communications line to one of the company’s routers
Procure hardware and software to manage Internet communication
Set up dial-in lines to connect users
Maintain enough manpower to manage ISP traffic and deal with users

30. Factors in choosing an ISP
Bandwidth
Connection availability
Customer volume and traffic
Traffic volume during peak hours
Virtual hosting feature
Capacity of box
Stability and staying power
Customer service and local support
Price

31. HOW TO CHOOSE AN ISP Bandwidth Size
E.g. High-speed T1 and T3 lines
Connection Availability and Performance
Are the most important criteria in evaluating an ISP
Normal: 5 – 10MB
Virtual Hosting
Allow you to have your own domain name
Aliases
An ISP allows a certain number of addresses per account

32. HOW TO CHOOSE AN ISP (cont.)
Stability and Staying Power
How often customers switch from one ISPs to another
Staying power: is the ISPs ability to continue to provide services.
Local Access
You need to know how many local access numbers an ISPs has and how they are a available to use
Customer Service and Technical Support
Does your ISPs have a 24-hour support line that you can call
Reliability
Delays, busy signals while trying to log on, or slow down
How quickly you can go online depends of the time of the day
Price

33. ISP NEEDS FOR ONLINE MARKETING
Register Domain Name
Capture and Forward
Receiving and sending mail are important activities for an online merchant
Host the Web site
Technical and Managerial Support

34. WHAT IS A DOMAIN NAME?
Unique Internet address that represent a web site
Domain Name System (DNS)
Web server that stores registered domain names and their numeric equivalents
translates between IP address and URL
All web access traffic and IP addresses operates at TCP/IP layers

35. Domain Name
To send a message to another computer on the internet the following steps are required
Sending PC has unique IP address in the form xxx.xxx.xxx.xxx where each of xxx is between 0 and 255
TCP breaks the message into specific bits called packets, each packet has the sender’s IP address
IP Packets are sent to their destination via router with minimizing congestion
On the receiving end TCP check to make sure that all packets are assembled correctly to present the message

36. HOW A MESSAGE IS BEING SENT?
IP=
IP=
Sending PC
Packets
Packets
Receiving PC
Router
To:
From:
Figure: TCP/IP and Message Transmission

37. Domain Name The company’s Web URL should be easy to remember
Present what the company is about

38. How does a DOMAIN NAME work?
URL has 3 major part
:- internet protocol and separator ://
www. Name.xxx :- The domain name
Subdirectory of the file /

39. REGISTRATION CONSIDERATIONS
One or two close names
Unique product domain name
Ideal company domain name

40. CYBER COMMANDMENTS OF WEB SITE DOMAIN NAMES
When choosing domain name, legal implication must be consider
Determine whether proposed domain name infringes any trademarks
Determine whether proposed domain name dilutes any famous marks
Obtain federal trademark registration of proposed domain name
Register proposed domain name with InterNIC
Get permission before linking to other Web sites
Watch for expanded top-level domain names and registries

41. PITFALLS FOR USING AN ISP
Overcharging
Domain Name Status
Backup
Contractual Language

42. FREQUENTLY ASKED QUESTIONS
What is involved in registering a domain name in .com, .net or .org?
How long does a registration last? Can it be renewed?
Can one change registrars after registering a domain name?

43. Application service Provider ( ASP)
Consists of two unique service components
Website hosting and delivery
Application technical support : providing end-to-end connectivity support

44. Application service Provider ( ASP)
Most features of ASP
Owns and operates a software application
Owns, operates, and maintains the servers that run application
Employ the staff that to maintain the application
Makes the application available to customer everywhere via internet

45. Chapter 6 Internet Service Providers— Hosting Your Web Site