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this is created and explicitly shared by individuals, such as social networks profiles. This type of data might include video files, pictures, text or audio files
This is captured by recording the actions of individuals, such as location data when using cell phones
This is data such as a credit score, which is based on analysis of volunteered or observed data
Thousands of bits per second (Kbps) Millions of bits per second (Mbps) Billions of bits per second (Gbps)
Physical Media Properties Current Tech The Laws of Physics
also the measure of the transfer of bits across the media over a given period of time throughput does not usually match the specified bandwidth measurements do not take into account the validity or usefulness of the bits being sent throughput cannot be faster than the slowest link of the path
The amount of data being sent and received over the connection The types of data being transmitted The latency created by the number of network devices encountered between source and destination
Allows a device to act as both client and server within the same comms requires that each end device provide a user interface and run a background service Uses a hybrid system where resource sharing is decentralized, but centralized directory for resources In a hybrid system, each peer accesses an index server to get the location of a resource stored on another peer.
ie file servers, web servers, or email servers
the platform that supports the network and provides channels for comms