On Thu, Apr 06, 2006 at 02:42:20PM -0700, Ian Clarke wrote: > Each of these packets is, I assume, a single message. I think it > would be useful to see a break-down showing number of messages, and > total message size (ie. total bw used) on a per-message type basis.
Most of them. Some coalescing *can* occur, but we make no effort whatsoever to delay packets for coalescing. > > Ian. > > On 6 Apr 2006, at 14:30, Matthew Toseland wrote: > > >Packet Size (bytes) Count Packet Size (bytes) Count > > 1 to 75: 20248 751 to 825: 31 > > 76 to 150: 239541 826 to 900: 28 > > 151 to 225: 52956 901 to 975: 35 > > 226 to 300: 7297 976 to 1050: 15 > > 301 to 375: 547 1051 to 1125: 35 > > 376 to 450: 385 1126 to 1200: 17657 > > 451 to 525: 216 1201 to 1275: 129 > > 526 to 600: 44 1276 to 1350: 97 > > 601 to 675: 36 1351 to 1425: 139 > > 676 to 750: 14 1426 to 1500+: 1311 > > > >This is a log of packet size from my node over a period of 20 minutes. > >Actually of my 2 nodes, and probably a little TCP traffic too, but not > >much. > > > >Interesting features: > > > >76-150-byte packets: 239451 * 100 = 23,945,100 > >1126-1200-byte packets: 17657 * 1150 = 20,305,550 > > > >Of the first group, 56 bytes per packet is overhead, so 13,409,256 > >bytes > >overhead out of that 23MB - something like a quarter of the whole. > > > >Obviously having many variable sized small packets is a bad thing for > >security, but surely it is a good thing for latency to be as low as > >possible by sending messages immediately? > > > >Another interesting point: If more than half of our bandwidth usage is > >on small packets, then our policy of only bandwidth limiting large > >packets cannot possibly work. > >-- > >Matthew J Toseland - toad at amphibian.dyndns.org > >Freenet Project Official Codemonkey - http://freenetproject.org/ > >ICTHUS - Nothing is impossible. Our Boss says so. > >_______________________________________________ > >Devl mailing list > >Devl at freenetproject.org > >http://emu.freenetproject.org/cgi-bin/mailman/listinfo/devl > > _______________________________________________ > Devl mailing list > Devl at freenetproject.org > http://emu.freenetproject.org/cgi-bin/mailman/listinfo/devl > -- Matthew J Toseland - toad at amphibian.dyndns.org Freenet Project Official Codemonkey - http://freenetproject.org/ ICTHUS - Nothing is impossible. Our Boss says so. -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 189 bytes Desc: Digital signature URL: <https://emu.freenetproject.org/pipermail/devl/attachments/20060406/c7e57723/attachment.pgp>
