IPC using UDP Sockets

by Ami » Sun, 11 Nov 2001 09:02:41

Hi,

I am trying to create a program in which I will have multiple
processes running and each one communicating with each other. Now most
of the books have examples of Client-Server type of paradigm in which
each process knows the server address/port. In my program the server
does not exist. Each process should know the other processes' UDP
port. How do I go about this.

Thanks,
Amit.

Top

1. How to receive UDP and ICMP packet using one UDP socket, (Path MTUD)

Dear All,

Can we configure one socket to receive two different protocols packet.
Like how can we made a UDP socket to receive udp as well as icmp
messages.

Actually I am implementing Path MTUD, so for that I sent some udp
probs to destination host, now I want that the same socket at client
side must be able to receive both udp response and icmp error
messages(like host unreachable, port unreachable etc).

Another approach is that, we will use two sockets for both source and
destination, form source we will send udp probs(through udp socket)
while at destination host, after receiving that prob(through udp
socket), application will make an icmp packet and sent it back to the
source host (using ICMP socket). And here at source host, that message
and other icmp error messages will be received by icmp socket.

But this approch dosen't look efficient to me, what u people say? If
Any one has another approch plz let me know.

Eagerly waiting for some +ve pings.

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