TALKD(8C)TALKD(8C)NAMEtalkd - remote user communication server
SYNOPSIS
/usr/etc/talkd
DESCRIPTION
Talkd is the server that notifies a user that somebody else wants to
initiate a conversation. It acts a repository of invitations,
responding to requests by clients wishing to rendezvous to hold a
conversation. In normal operation, a client, the caller, initiates a
rendezvous by sending a CTL_MSG to the server of type LOOK_UP (see
<protocols/talkd.h>). This causes the server to search its invitation
tables to check if an invitation currently exists for the caller (to
speak to the callee specified in the message). If the lookup fails,
the caller then sends an ANNOUNCE message causing the server to
broadcast an announcement on the callee's login ports requesting
contact. When the callee responds, the local server uses the recorded
invitation to respond with the appropriate rendezvous address and the
caller and callee client programs establish a stream connection through
which the conversation takes place.
SEE ALSOtalk(1), write(1)4.3 Berkeley Distribution May 21, 1986 TALKD(8C)