No server?

BlitzPlus Forums/BlitzPlus Programming/No server?

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I am about to start an application called LAN Messenger and I am wondering if it's possible to send messages to and from computers without creating a server? If I went with the server then the people would have to find out what IP to connect to everyday, if the network is set up to have dynamic IP addresses. It just seems easier to do it without a server. Is this possible?

Thanks.