Search results
Results from the WOW.Com Content Network
Ping measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source. The name comes from active sonar terminology that sends a pulse of sound and listens for the echo to detect objects under water. [1] Ping operates by means of Internet Control Message Protocol (ICMP) packets.
For example, the sample diagram does not indicate the physical type of connection between the PCs and the switch, but since a modern LAN is depicted, Ethernet may be assumed. If the same style of line was used in a WAN (wide area network) diagram, however, it may indicate a different type of connection.
A message sequence chart (or MSC) is an interaction diagram from the SDL family standardized by the International Telecommunication Union. The purpose of recommending MSC (Message Sequence Chart) is to provide a trace language for the specification and description of the communication behaviour of system components and their environment by ...
RTT is a measure of the amount of time taken for an entire message to be sent to a destination and for a reply to be sent back to the sender. The time to send the message to the destination in its entirety is known as the network latency, and thus RTT is twice the latency in the network plus a processing delay at the destination.
Call originator - (or calling party, caller or A-party) a person or device that initiates a telephone call by dialling a telephone number.; Call waiting - a system that notifies a caller of another incoming telephone call by sounding a sound in the earpiece.
DDL—Data Definition Language; DDoS—Distributed Denial of Service; DDR—Double Data Rate; DEC—Digital Equipment Corporation; DES—Data Encryption Standard; dev—development; DFA—Deterministic Finite Automaton; DFD—Data Flow Diagram; DFS—Depth-First Search; DFS—Distributed File System; DGD—Dworkin's Game Driver
Retired U.S. Airways captain John Cox gave his own inside scoop in a blog post for USA Today.
A functionality which lets a computer A find out whether a computer B is reachable and responding is built into the Internet Control Message Protocol (ICMP). Through an "Echo Request" Computer A asks B to send back an "Echo Reply". [2] These two messages are also sometimes called "ping" and "pong" for historical purposes. [citation needed]