Re: Free rider problem
"guanying_wang" <[email protected]>
| Newsgroups | gmane.network.bit-torrent.general |
|---|---|
| Message-ID | <[email protected]> |
--- In [email protected], Elliott Mitchell <ehem@m...> wrote: > Not quite right. Multiple peers /could/ be NATed behind a single IP > address. If these are bandwidth limited individually behind the NAT, you > could get better bandwidth talking to both. At the same time if you throw > out the port, then you could end up unchoking the wrong one. > Thank you for reply. Forget about my solution, since it's so vulnerable. How about the FREE-RIDER problem I mentioned? I can get everything without uploading a bit! > At the same time you should be controlling optimistic unchokes to on a > per-address basis so that you avoid the above. This then gets interesting > that an attacker with multiple IP addresses (either all on one machine or > a cluster of systems) could do a group attack against you. Also with a > sufficiently large swarm you could avoid reconnecting to the same peer > twice. > I can't get your point well. How to get exact list of peers without repeat and drop? ------------------------ Yahoo! Groups Sponsor --------------------~--> Make a clean sweep of pop-up ads. Yahoo! Companion Toolbar. Now with Pop-Up Blocker. Get it for free! http://us.click.yahoo.com/L5YrjA/eSIIAA/yQLSAA/dkFolB/TM --------------------------------------------------------------------~-> Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/BitTorrent/ <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/