1. E-business Infrastructure
Chapter 3
E-business Infrastructure
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Introduction
Realize one must have adequate E Business Infrastructure
Affects the quality of service of its users
Speed, reliability, responsiveness
This means maximizing the uses of Hardware, Network, and Software
Some key decisions would be deciding whether to manage these aspects internally or outsource them
Today’s class will be about Jargons!
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What is The Internet?
Internet is simply a communications enabler
Between two connected computers
It is client / server
Via ISP.. To another ISP… To a Backbone (Superhighways)
Look at the history
Developed for the DOD
Must be reliable … packets and routes
Slow acceptance, but it took off fast!
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History of Internet
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How Big is The Internet?
Very Big, with optimum scalability
Users
In the billions
Web Servers
Netcraft 178 Million Sites
Pages
Use search engine index
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Intranet Vs. Extranet
Varies in definition
Intranet  Limited inside
Extranet  Extended to others and beyond
Used not just to disseminate information
Disseminate applications
Cheap TCO on web based apps
With applications, content are dispersed!
Use CMS to manage the update and publications of information
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Intranet Vs. Extranet
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Intranet Vs. Extranet
Why stop at extranet?
Security and reliability
Cost reduction  in Business Process
The challenge for management
To ensure that it is being used
Mostly used to connect to partners
Between different applications?
Need EAI and Middleware
Internet or Extranet
Connect to outside party… must use firewall!
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The WWW
WWW is simply a standard method of access
It is the content of the Internet
Uses a browser to display pages in html, xml, ..
Others
Web Browsers, Web Servers
Static Vs. Dynamic Pages & Web 2.0
s, Blogs, RSS
Voip
If one can send data via internet --
Can one convert sound into data?
P2P, Hosted, Replace, or Upgrade
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10. The Internet Standards
Networking Standards
TCP/IP  Moves data… at network and transport
Proven to be the standards of today. Part of OSI
IP Address
The specific number.. Like the address
Packets
Messages broken up
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11. Http, Url, and Domain Names
HTTP Protocol  The way information is passes between web browser and servers
URL  The address standards
Domain Names  Name of the company, or of the web server.
Must be registered!
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12. Web Presentation and Data Exchange
Everyone wants good content!
Attract visitors!
Use HTML, XML…
Meta-tags and meta-data
Semantic Web  data with defined meaning to improve exchange of information
Will use intelligent agents!
Not yet mature
Add audio and video
GIF, JPG, Wav, Avi, Mp4/3
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13. The Owner of the Internet?
The government?
Supra-government organizations?
ICANN, ISOC, IETF, W3, TINA
Can you indirectly control the internet?
Look at Microsoft….
Even software giants don’t fully have control
Open source is gaining attention
Server market
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14. Managing Hardware and Software
Managing systems
Standardize….
Managing Network
Internally managed, or outsourced?
Managing Storage
Consider the tradeoff!
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15. Internet Service Providers
Companies that provide access to the internet
Direct connection to backbone, or via other ISPs
Could be dial-up or broadband. 
Main issue is to gain excellent quality of service for a lower price
Speed of access  Network, and machines
Check bandwidth capacity, technology and dedication
Ensure highest rate of availability!
Consider SLA and security issues!
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16. Managing E Business Applications Infrastructure
Let’s look at the history
Business applications as Silos
Result of independent investment decisions, which were sporadic!
Not realizing the business benefits…. Companies move to ERPs
So ERP is a chunk!… but a bigger chunk!
Still incomplete, and needs tweaking and integration
What do you think?
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Web Services and SOA
WebServices  Software services provided at a more granular level via the Internet
Reusable, independent of operating system, programming languages, and open!
SOA  Service Oriented Architecture
Architecture comprising of numerous services
EDI  Electronic Data Interchange
The Exchange of structured business information
Hence, its proprietary, and expensive
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