CAT/CATS?

Hi everyone,
I have a friend who is a computer science major and was telling me about a project he did in his networking class. He was making a peer-to-peer (sort of... he didn't have a very in-depth explanation; he said it was "fake" peer-to-peer, whatever that is supposed to mean) chat client. He was telling me about something called CAT (or maybe it was CATS?) that he used in it. I'm not sure what exactly he was talking about, and I can't find any information on the internet. He wrote the program in Java. Is it some sort of protocol? The only things I can find that are related to networking and have CAT in them are cables. Any help would be appreciated! Thanks in advance. Sorry for the newbie question.

Jacob

If you were talking about a person who you were never going to see again, I could understand this question. But you couldn't ask your friend what he was talking about? What's up with that?

(And no, I agree, CAT isn't a helpful google keyword.)

Totally agree with Paul. Asking strangers what they think your friend said, when you can ask your friend again is silly.

We can, however, speculate....

.... Maybe he was talking about using CAT 5 cables to connect two computers point to point, without a network switch (creating a "fake" network)..... okay, the speculation is a bit of a stretch...

Henry

Yeah, now I'm starting to realize how little I have to go on. Thanks for your help, anyway! I'll try to contact him.