[mpich-discuss] Is there anyone help to introduce business card on TCP channel?

[Tian Tian]

Hello experts,

I have a question about the source
file:mpid/ch3/channels/nemesis/nemesis/netmod/tcp/socksm.c.
In MPID_nem_tcp_connect() we could see:
mpi_errno = MPID_nem_tcp_get_addr_port_from_bc(bc, &addr,
&(vc_tcp->sock_id.sin_port));
...
rc = connect(sc->fd, (SA*)sock_addr, sizeof(*sock_addr));

Is that mean it could get the server listening port from bc? And what is bc?
How could it get the listening port from the other host?

Thanks,
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