- From: M.Mueller (bhu5nji) <bhu5nji AT yahoo.com>
- To: discussion AT sctp.de
- Subject: Re: [SCTP-Discussion] SCTP daemon and sctp_test_app don't connect remotely
- Date: Sat Feb 2 23:22:00 2002
- List-id: SCTP Discussions <discussion.sctp.de>
By running remote, do you mean that sctplib runs on a stand-alone machine and
apps connect to it as though it a server?
Seems like a server front-end would need to be fashioned to make
that work.
I stuff sctplib into a daemon that implements a connection-less front-end.
My apps reside in other daemons. I've never tried it, but I suppose with a
little work I could have the daemons exist on separate machines. As Michael
points out, that would be risky using UDP. I trust UDP for IPC on single
machine (but I can't justify that trust rigorously).
Mike Mueller
On Saturday 02 February 2002 03:04 pm, you wrote:
>
Dear David,
>
>
I think the the sctpdlib is written in a way that te sctp_daemon runs
>
locally.
>
It 'replaces' a kernel implementation, which would run locally. So why do
>
you want to run it remotely?
>
>
Neverless, it should technically be possible to run the daemon remotely,
>
the
>
communication uses UDP. But it doesn't have flow control and that stuff.
>
Some comments from the sctpd developers?
>
>
Best regards
>
Michael
>
>
On Friday, February 1, 2002, at 10:35 PM, David Gordon (LMC) wrote:
>
> Hi,
>
>
>
> If I start SCTP daemon on a remote machine and try to connect with
>
> sctp_test_app, I'll get the output below. I noticed that if another SCTP
>
> daemon is running locally, sctp_test_app will automatically connect to
>
> it
>
> with source address 127.0.0.1.
>
>
>
> Is there a way I can test a remote SCTP connection with the example
>
> tools
>
> provided in the distribution?
>
>
>
> Thank you,
>
>
>
> David Gordon
>
> Ericsson Research
>
>
>
>
>
> Remote daemon
>
> -------------
>
> [root@sauternes linux]# ./sctpDeamon
>
> Added 3 extra for v6 total now 6
>
> Deamon finds 4 networks that it will work on
>
> IPv6 Address: fec0::1:250:b7ff:fe14:3617:0 scope:0
>
> IPv6 Address: fe80::250:b7ff:fe14:3617:0 scope:0
>
> IPv4 Address: 127.0.0.1:0
>
> IPv4 Address: 142.133.73.99:0
>
>
>
>
>
> Client
>
> ------
>
> [root@gaillac linux]# ./sctp_test_app -h 142.133.73.99
>
> My port is 32929
>
> Added 3 extra for v6 total now 6
>
> in to register with deamon
>
> No deamon, or deamon not responding!
>
> [root@gaillac linux]# ./sctp_test_app -6 fec0::1:250:b7ff:fe14:3617
>
> My port is 32929
>
> Added 3 extra for v6 total now 6
>
> in to register with deamon
>
> No deamon, or deamon not responding!
>
>
>
>
>
> If local SCTP daemon also, client connects
>
> ------------------------------------------
>
> [root@gaillac linux]# ./sctpDeamon
>
> Added 3 extra for v6 total now 6
>
> Deamon finds 4 networks that it will work on
>
> IPv6 Address: fec0::1:250:b7ff:fe14:35be:0 scope:0
>
> IPv6 Address: fe80::250:b7ff:fe14:35be:0 scope:0
>
> IPv4 Address: 127.0.0.1:0
>
> IPv4 Address: 142.133.73.103:0
>
> Got a register from IPv4 Address: 127.0.0.1:32930
>
>
>
>
>
> [root@gaillac linux]# ./sctp_test_app -h 142.133.73.99
>
> My port is 32931
>
> Added 3 extra for v6 total now 6
>
> in to register with deamon
>
> Got the response!!!
>
> Register fd[0]=3 of 1 event:1
>
> Routing adptor set to (0)|3
>
>
>
>>>> quit
>
>>>> Closing the fd 3
>
>
>
> [root@gaillac linux]#
>
>
>
>
>
>
>
>
>
> _______________________________________________
>
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>
> discussion AT sctp.de
>
> http://www.sctp.de/mailman/listinfo/discussion
>
>
Michael.Tuexen AT micmac.franken.de
>
>
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