Internet Technology Overview

Objectives:
This workshop-style course provides an intensive look at some of the major considerations associated with development of commercial Internet systems. Delegates will work on cases studies, analysing, discussing and proposing practical solutions to help design and develop commercially viable systems based on technology and business restrictions laid down. Available as a public or closed course at our London training centre, or tailored to your team's requirements and delivered on-site as a bespoke, customised training course.

Course Content
Course content has been developed for real-world, commercial scenarios by our expert instructors. See below for detailed syllabus, or if you have a technical query email .

Duration
1-2 Days

Who Should Attend
Anyone involved in the technical evaluation, analysis, design, planning and management of on- and off-line systems for commercial use. Particularly useful for Project Managers and Project Leaders.

The Big Picture

· What is the Internet, how does it work and where did it come from?
· What is the World Wide Web?
· Who manages the web and/or sets standards?
· What is TCP/IP and why is it important?

Brief Internet History

· 1969: US Dept of Defence's Advanced Research Projects Agency (known as ARPA) create ARPANET.
· 70's and 80's: Opened up to Universities and other organisations.
· 1985, the National Science Foundation (NSF) created its own independent network known as NSFNET.
· The name "Internet" created when these two networks joined.
· Key Internet technologies: TCP/IP, HTTP, EMAIL, FTP, IRC, USENET

What is TCP/IP and why is it important?

· Language of the Internet
· Suite of protocols, services, applications and utilities
· Open standard
· Embraced by all Networks
· A bit about IP
· Future: IPv6

What happens when you surf

· We type an address or click a hyperlink
· The browser locates the server (using DNS and TCP/IP)
· The browser requests the page from the server
· The server checks if the page exists and the users has permission for it
· The server may do some processing of the page
· The server responds and sends the page back to the browser
· Communication is terminated

Key development concepts

· Connectionless
· Stateless
· Scalability
· Availability
· "Get resources late, release them early"

Development Architectures

· 3-tier and n-tier architectures
· Pros and cons
· Pitfalls in moving from client/server to 3 or n-tier
· Windows DNA and J2EE

UML: Modeling an application

· Introduction
· What it can help with
· Creating UML diagrams

Client Layer: HTML

· Markup Language for the WWW
· Uses TAGs
· De-facto standards and pace of changes has polluted it somewhat

Client Layer: Other Technologies

· Vbscript, JavaScript
· DOM, DHTML
· Java Applets
· ActiveX controls
· Flash
· CSS
· Cookies

Client Layer: Other devices

· Dealing with other devices:
· Palm, Pocket PC
· Phones
· Tablet PC
· Etc
· Small Screen Rendering (Opera)

Client Layer/ Business Logic Layer: Server Side Scripting Technologies

· Pearl CGI (common Gateway Interface)
· ASP
· ASP.NET
· JSP
· PHP
· ColdFusion

Client Layer/ Business Logic Layer: Server Side Objects

· COM objects (ASP/ColdFusion)
· .NET Components
· Java Beans & Enterprise Java Beans (JSP/PHP)

Data Access Layer: Connection to Databases

· OLEDB/ADO
· ADO.NET
· JDBC/JDO

Data Access Layer: Databases

· MS SQL Server
· Oracle
· Stored Procedures
· Security
Web and Application Servers
· What do they do and how do they do it?
· How do web servers connect to other systems
· IIS, Websphere, Weblogic
· What about security?
· What is a web Farm?
· What is scalability?

XML

· What does it look like and why is it important?
· How does affect development?

XML Web Services

· Overview
· SOAP
· How they are implemented and consumed

Internet Technology - JB International, London, UK

0800 028 6400

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