CONNECTIVITY: THE BUSINESS VALUE OF A

NETWORKED WORLD (7-1)

Elijah Suko & Jamie Kuolt

The Connected World

Networks Local Area Network (LAN)Wide Area Network (WAN)Metropolitan Area Network (MAN)

Network Access Technologies

BandwidthBitBit Rate

Modem Via Telephone Broadband

Digital Subscriber Line (DSL)CableSatellite

○ e.g. T1

Network Protocols

Protocol Transmission Control Protocol/Internet

Protocol (TCP/IP) Domain Name System (DNS)

.com .biz .edu .gov .net

Network Convergence

Unified Communicationse.g. Retail Stores

Voice over IP (VoIP)e.g. Skype

Internet Protocol TV (IPTV)e.g. Netflix

Benefits of a Connected World

Sharing ResourcesIntranetExtranetVirtual Private Network (VPN)

Providing Resources Reducing Travel Monetary

Challenges of a Connected World Security

Encrypting TrafficSecure Sockets Layer (SSL)Certificate Secure Hypertext Transfer Protocol

(HTTPS) Social, Ethical, and Political Issues

Digital Divide

Questions

1) What is LAN?

2) Which is faster, DSL or Cable?

3) How are Domain Names helpful?

4) In what way has technology significantly changed the way people make phone calls?

5) What is used to provide encryption and secure identification of an Internet server?