Chapter 1 Flashcards
Divestiture of 1984
AT&T broken up into one long distance company and 7 regional bell operating companies
US Telecom Act of 1996
Main goal: open local markets to competition
Cable companies can buy phone companies and vice-versa
-replaces all current laws, FCC regulations, 1984 consent decree, and overrules state laws
Intranet
- A LAN that uses the Internet technologies within an organization
- open only to those inside the organization
- ex/ insurance related information provided to employees over an intranet
Extranet
- A LAN that uses the internet technologies across an organization including some external constituents
- open to only those invited users outside the organization
- Ex/ suppliers and customers accessing inventory information in a company over an extranet
Information lag
The time it takes for information to get from point A to point B
Convergence
To come together
Protocol Data Unit (PDU)
Contains information that is needed to transmit the message through the network.
-Packet
Protocol
A set of rules that define what the layer will do and that provides a clearly defined set of messages that software at the layer needs to understand