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Broadcast

A communications transmission to multiple but unidentified recipients. A packet delivery system where a copy of a given packet is given to all hosts attached to the network. Example: Ethernet.


Similar items:
A piece of a packet. When a router is forwarding an IP packet to a network with a Maximum Transmission Unit smaller than the packet size, it is forced to break up that packet into multiple fragments. These fragments will be reassembled by the IP layer at the destination host. When a network receives a packet larger than its maximum allowable packet size, it breaks it up into two or more fragments. These fragments are each assigned a size (corresponding to the length of the fragment) and an offset (corresponding to the starting location of the fragment).
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Deliberate transmission, retransmission, or alteration of communications to mislead an adversary’s interpretation of the communications. (. See imitative communications deception and manipulative communications deception. )
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A communications transmission to multiple identified recipients.
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A symbol that means nothing that is included within a message designed to confuse unintended recipients. Dummy letter, letter symbol, or code group inserted into an encrypted message to delay or prevent its decryption or to complete encrypted groups for transmission or transmission security purposes.
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A mode of IPSec when used in a VPN. In tunnel mode, the entire IP packet is encrypted and a new header is added to the packet to govern transmission through the tunnel. An IPSec protocol used with ESP in which the header and contents of an IP packet are encrypted and encapsulated prior to transmission, and a new IP header is added.
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