On Tue, Feb 20, 2001 at 10:29:36PM +0000, Theodore Hong wrote: > Came across these two systems -- don't know if people know about them > already... > > ELF: http://www.projectELF.com/ > Sounds like Gnutella with encryption, but technical details a bit vague. > > Alpine: http://cubicmetercrystal.com/alpine/ > Uses custom protocol built on UDP to efficiently (so they claim) broadcast > queries to hundreds of thousands of hosts at a time -- I guess that means > they use a fully-connected (all-to-all) network topology.
Alpine is horribly inefficient. Being a all-to-all network topology where every search request is sent to *every* machine on the network it's bandwidth useage for any single node is n where n is the number of nodes in the network. Therefore the bandwidth usage for all of nodes is n^2, obviously horribly inefficient. As one of the TA's in my computer science course would say; They're on crack. :) -- retep at penguinpowered.com http://retep.tripod.com -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 232 bytes Desc: not available URL: <https://emu.freenetproject.org/pipermail/devl/attachments/20010226/fc88dc5c/attachment.pgp>
