Network Layer Glossary

Host-- A node in the computer network that provides information services and applications to other nodes
End System- Nodes Connected to the internet
Subnet-- Division of a network
Transmission Lines-- Carries alternating current to the of frequency containing information.
Switching Elements--
Congestion-- Quality of service deteriorates due to the overflow of data. Typical effects include queueing delay, packet loss or the blocking of new connections.
Flow Control-- Management of Data transmission rate between two nodes to prevent a fast sender from outrunning a slow receiver.
Connection Management-- Manages Connections
Virtual Circuit--Allows higher level protocols to avoid dealing with the division of data into segments, packets, or frames. Delivered by Packet modes. A path from source to destination in Connection Oriented Service.
Datagram-- Packets in a connection less service that are injected into a subnet individually and independently.