[p2p-hackers] Real-world UPnP stats

Alex Pankratov ap at hamachi.cc
Tue Apr 25 19:24:34 UTC 2006

David Barrett wrote:
> Yikes, that's pretty bad.  Did you also capture which fraction of clients
> report that UPnP works at all?  

Not sure I follow. How would you define these clients ?

 > We use UPnP but aren't currently tuned to
> capture this information, though I'll plan to in the future.
> When building your UPnP layer, did you find that the various routers were
> faithful to the spec, or was there a lot of tweaking for specific NAT
> vendors?

No, not much tweaking at all .. One thing that was evident is a
difference in response time. For example some Linksys models may
take up to 5 seconds to respond to AddPortMapping request.

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