Chapter 2 (B) Technology Infrastructure

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Chapter 2 (B) Technology Infrastructure by Mind Map: Chapter 2 (B) Technology Infrastructure

1. Client-side scripting

2. Markup Languages

2.1. Tags

2.1.1. Formatting instructions

3. Types of Markup Languages

3.1. SGML-Standard Generalized Markup Language

3.1.1. Independent of software application

3.2. HTML-Hypertext Markup Language

3.2.1. tags

3.2.1.1. Format and style

3.2.1.2. Create relationships-hypertext elements

3.2.2. most commonly used on web today

3.2.3. Linear hyperlink structure

3.2.3.1. eg. pages of a book

3.2.4. Hierarchical hyperlink structure

3.2.4.1. eg. home page...

3.3. XML-Extensible Markup Language

3.3.1. Similar to HTML

3.3.1.1. except for 2 respects

3.3.1.1.1. not a Markup language w/defined tags

3.3.1.1.2. tags don't specify text appearance on the web

3.3.2. Data managment that HTML can't

3.3.3. Purpose of file

3.3.3.1. Child elements

3.3.4. ESL-Extensible Stylesheet Language

3.3.4.1. Java

4. Styling sheets

4.1. CSS-Cascading style sheets

5. Intranets

5.1. Intereconnected networks

5.2. low cost way for businesses to distribute internal information

5.3. Protocols

5.3.1. TCP/IP

5.3.2. FTP

5.3.3. Telnet

5.3.4. HTML

5.3.5. HTTP

5.4. Reduce software maintenance

6. Extranets

6.1. connected with suppliers, business partners or authorized users

6.2. eg. Fedex-gave customers software to track own parcels

7. Public Networks

7.1. Networks for the public

7.2. eg. the Interent

8. Private Networks

8.1. Private leased line

8.1.1. gives added security

8.2. Connects intranets to one another

8.3. Costly

8.3.1. scaling problem

9. VPN-Virtual Private network

9.1. Extranet

9.1.1. uses public networks

9.2. IP tunneling

9.2.1. more secure

10. Connectivity

10.1. Bandwidth

10.1.1. Symmetric

10.1.2. Asymmetric

10.1.3. Upstream

10.1.4. Downstream

10.2. Broadbands

10.2.1. ADSL

10.2.2. HDSL

10.3. Cable

10.4. Telephone

10.5. Leased line

10.6. Wireless

10.7. Bluetooth and Ultra Wideband

10.7.1. Wirelss Ethernet (Wi-Fi)

10.7.2. Fixed -Point Wireless

10.7.3. Cellular telephone networks

11. FUTURE

11.1. Internet2

11.2. Semantic Web