So I guess my question is how do other methods proposed, for example SIPDHT2 work in this regard? How do they propose to solve the holy-grail nat traversal problem?
-- "The greatest challenge to any thinker is stating the problem in a way that will allow a solution" - Bertrand Russell Andy Savage Cell Phone: +852 936 34341 Skype ID: andy_savage Linked In: http://www.linkedin.com/in/andysavage On Thu, Jun 10, 2010 at 4:08 PM, Adrian Georgescu <[email protected]>wrote: > > On Jun 10, 2010, at 9:59 AM, Andy Savage wrote: > > Yes, I can see that with a dedicated server with an external IP this > wouldn't be a problem but obviously when the nodes are behind NAT it becomes > a problem. > > So what are the possible solutions to this issue? > > Obviously I could imagine there is the idea of having supernodes in the > same way that Skype does (nodes not behind nat) and using them as > registrars. > > > Yes this supernodes idea works well in practice. Your cassandra nodes must > also have SIP registrar and Proxy functions and properly perform NAT > traversal for their clients. > > Adrian > > -- > "The greatest challenge to any thinker is stating the problem in a way that > will allow a solution" > - Bertrand Russell > > Andy Savage > Cell Phone: +852 936 34341 > Skype ID: andy_savage > Linked In: http://www.linkedin.com/in/andysavage > > > On Thu, Jun 10, 2010 at 3:31 PM, Adrian Georgescu <[email protected]>wrote: > >> Yes, you can use it to replace a dedicated registrar server, yet the real >> problem is not storing the location information, is traversing the NAT for >> SIP signaling and media. The distributed location server is just part of the >> solution. #goodidea >> >> Adrian >> >> On Jun 10, 2010, at 9:18 AM, Andy Savage wrote: >> >> Hi there, >> >> I was thinking about using Cassandra for SIP location lookups. >> >> Does anybody have any ideas on whether this would be a good/bad idea? It >> seems to be good for storing Key/Value pairs (and other data too like >> presence) but I wasn't sure as it doesn't seem to be talked about much on >> this list. >> >> Any thoughts from the experts? >> >> http://cassandra.apache.org/ >> >> Cheers, >> Andy >> <http://cassandra.apache.org/> >> -- >> "The greatest challenge to any thinker is stating the problem in a way >> that will allow a solution" >> - Bertrand Russell >> >> Andy Savage >> Cell Phone: +852 936 34341 >> Skype ID: andy_savage >> Linked In: http://www.linkedin.com/in/andysavage >> _______________________________________________ >> P2PSIP mailing list >> [email protected] >> https://www.ietf.org/mailman/listinfo/p2psip >> >> >> > >
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