this is where we have central server where all the users connect to. The server will act as the central point of all the communication ant it will also store user account and information
The telephone call has been transmitted over data networks/internet.
wireless sensor networks
wifi network
VoIP Voice Over internet Protocol or simply communication over internet networks. It means transmitting voice data using internet.
User authentication Virtual private networks (VPNs) Data encryption
Virtual Private Network (VPN)
http://wiki.answers.com/Q/How_is_the_data_and_imformation_transimited_over_public_telephone_network,public switched telephone networks and intergrated service digital networks.
Mainly that you may need to handle large amounts of data - this can be relevant both for storage and for transfer over networks.
Binary packets
Dedicated networks for voice, video and computer data communications required a different type of device in order to access the network. Telephones, televisions, and computers used specific technologies and different dedicated network structures, to communicate. Converged networks are capable of delivering voice, video and data services over the same communication channel or network structure.
Planned economy
No. Single-user operating systems are quite capable of accessing and sending data over a network.