Is a system that permits networked applications running on different hosts to work together.
Network
Are applications that require networks to work
Network Applications
"FTP"
File Transfer Protocol
Web applications in which an information provider created the content.
Web 1.0
Users provide the content in these applications
Web 2.0
Are designed to facilitate group relationships. (included in web 2.0 applications)
Social Media Applications
Applications run on devices called _____
-any device connected to a network
Hosts
What is neccessary for two host computers to connect to each other over a network.
An address
Central part of the network
Network Core
Users connect to networks through______.
-the _____ are connected through either copper wire, optical fiber, or radio transmission
Access Links
Where is all applications processing done?
On the Host
users used this in the early years of networking. it only had enough intelligence to communicate with the central host and to show characters on the screen
Dumb Terminal
In it's original sense, a large central computer serving many terminal users.
Host
A server program on a server host provides services to a client program on a client host.
Client/Server Processing
'HTTP'
Hyper Text Transfer Protocol
provides service to your browser by sending you the webpages you request
Webserver Applications
1. The client sends a request message to the server
2. Server sends back response
Request-Response Cycle
Client hosts provided service directly to other client hosts
Peer-2-Peer Applications
Servers for internal corporate applications are managed by an outside company.
Cloud Computing
Network speeds are measured by this
bps (bits per second)
1,000 bps
Kbps (kilobits per second)
1 Billion bps
Gigabits per second (Gbps)
1 Trillion bps
Terabits per second (Tbps)
1 Million bps
Megabits per second (Mbps)
Gives you a reserved capacity all the way between you and the other party
circuit
When data transmission is _____, it means that there are _____ of traffic separated by long silences. This is very wasteful if you are using reserved-capacity-circuits.
Bursty
_____ is economical for voice (telephone) data, but not for bursty data
Circuit Switchings Guaranteed Capacity
1. They can provide much faster speeds than telephone modem service
2. Are always-on-connections
3. is very expensive