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The command reports the round-trip times of the packets received from each successive host (remote node) along the route to a destination. The sum of the mean times in each hop is a measure of the total time spent to establish the connection. The command aborts if all (usually three) sent packets are lost more than twice.
The previous Minuteman III command and control system, designated Command Data Buffer or CDB, required over 20 hours to retarget the entire Minuteman force and 30 minutes to retarget a single ICBM. REACT system needs less than 10 hours to retarget all missiles, while individual missiles can be retargeted in matter of minutes.
Command-line argument parsing is the process of analyzing and handling command-line input provided to a program.
With hop-by-hop routing, each routing table lists, for all reachable destinations, the address of the next device along the path to that destination: the next hop. Assuming that the routing tables are consistent, the simple algorithm of relaying packets to their destination's next hop thus suffices to deliver data anywhere in a network.
Equal-cost multi-path routing (ECMP) is a routing strategy where packet forwarding to a single destination can occur over multiple best paths with equal routing priority. Multi-path routing can be used in conjunction with most routing protocols because it is a per-hop local decision made independently at each router.
In computer networking, dynamic routing (DR), also called adaptive routing (AR), [1] [2] is a process where a router can forward data via a different route for a given destination based on the current conditions of the communication circuits within a system. [3]
For instance, a router may have a static or connected route for a local network segment, which is then redistributed over dynamic routing protocols to enable connectivity to that network. [ 4 ] By using the metric to reduce the priority of a static route a fallback can be provided for instance when a DHCP server becomes unavailable.
In object-oriented programming, the command pattern is a behavioral design pattern in which an object is used to encapsulate all information needed to perform an action or trigger an event at a later time. This information includes the method name, the object that owns the method and values for the method parameters.