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Ch17 Communication Software and Protocols - Coggle Diagram
Ch17 Communication Software and Protocols
communication software
Instant or much higher transmission speeds
type of message
e-mail
video conferencing
internet phone
instant messaging
chatrooms
newsgroup
discussion forum
much lower cost of transmission
support multimedia message
Transmitted information is reusable in most cases
The application used to transmit digital messages from one user to another
Communication Protocols
A set of rules about data formatting or signalling that is understood by all the communication devices
Transmission Control Protocol (TCP)/ Internet Protocol (IP)
Simple Mail Transfer Protocol (SMTP)
Wireless Application Protocol (WAP)
Internet Fax Protocol (IFP)
Voice over Internet Protocol (VoIP)
Open System Interconnection (OSI) Model
Application layer
presentation layer
session layer
transport layer
Network layer
Data link layer
Physical layer
data transmission over internet
Transmission Control Protocol
transport layer
Internet Protocol
network layer
Internet Protocol Address
Can identify every computer in the network
IP address
a network address
a host address
Domain Names and Domain Name Systems
domain names
host name
second level domain
top-level domain
Uniform Resource Locator (URL)
Domain Name System (DNS)
Hypertext Transfer Protocol (HTTP)
Used to transfer web pages