(1) (
Data
Set
Ready) An RS-232 signal sent from the modem to the computer or terminal indicating that it is able to accept data. Contrast with
DTR.
(2) (
Dynamic
Source
Routing) An on-demand routing protocol for wireless networks that uses caches to store routing information. DSR's source routing requires that the sender's packets contain the entire route before they are transmitted to their destination. See
mobile ad hoc network and
AODV.