D channel
Data channel. Full-duplex, 16-kbps (BRI), or 64-kbps (PRI) ISDN channel. Compare with B channel.
datagram
Logical grouping of information sent as a network layer unit over a transmission medium without prior establishment of a virtual circuit. IP datagrams are the primary information units in the Internet. The terms cell, frame, message, packet, and segment
also are used to describe logical information groupings at various layers of the OSI reference model and in various technology circles.
decrypt
Cryptographically restore ciphertext to the plaintext form it had before encryption.
Decryption
Reverse application of an encryption algorithm to encrypted data, thereby restoring that data to its original, unencrypted state. See also encryption. [Read more…]