January 12th, 2002
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| Connoisseur | | Join Date: August 9th, 2001 Location: Philadelphia, PA, USA
Posts: 358
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 Re: What happens to unrecognised packets?
John, Quote:
I'm just wondering what Gnutella clients do if you send them a
packet of a type that they don't recognise - i.e. the payload
descriptor is not one of the standard ones.
| If the message has a descriptor that is unrecognized, ie. 0xFF, then the client may think it is out of sync. Some client will drop you right away, some will attempt to get back in sync (my client does that by sending out a ping, then look for a pong in the data stream). Quote:
Also, what sort of extensions have been thought of so far? I've
got an idea for one but I'm still not entirely sure how it should
work  | There's a number of them now. One of them is called "HUGE" which provides file hashes in search results, and resource locators. This opens up a whole new range of possibilities.
Another one is called "GGEP". This one allows you to add additional data to the QueryHit and Query packets (and actually others too). This additional data could almost be anything you can think of, considering the current limitations of Gnutella (like the size of a message). GGEP is built such so not to break older clients.
You should be able to find this, and many other proposed additions at the GDF (Gnutella Developers Forum) at http://groups.yahoo.com/group/the_gdf. Unfortunately, you are required to have a Yahoo! account to access this site (although getting such account is free).
-- Mike
Last edited by cultiv8r; January 13th, 2002 at 09:31 PM.
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