r7045@Kushana: nickm | 2006-08-05 13:56:44 -0400

      D Count TLS bandwidth more accurately

      - Write-limit directory responses (need to research)

N   . Improve memory usage on tight-memory machines.

      - Directory-related fixes.

      . Directory-related fixes.

        o Remember offset and location of each descriptor in the cache/journal

        o When sending a big pile of descs to a client, don't shove them all

          on the buffer at once. Keep a list of the descriptor digests for

            o Verify that this has happened for a long time.

        o Try a similar trick for spooling out v1 directories.  These we

          _uncompress_ on the fly.

        - Look into pulling serverdescs off buffers as they arrive.

        . Mmap cache files where possible.

          o Mmap cached-routers file; when building it, go oldest-to-newest.

          - More unit tests and asserts for cached-routers file: ensure digest

            for the right router.  Verify dl by digest, fp, etc.

          . Make sure cached-routers values and offsets are correct in the

          o Make sure cached-routers values and offsets are correct in the

            presence of windows FS insanity.

          - Save and mmap v1 directories; store them zipped, not

            uncompressed.

          - Store networkstatus docs zipped, not uncompressed.  Maaaybe mmap

            them too.

          D Save and mmap v1 directories, and networkstatus docs; store them

            zipped, not uncompressed.

            D Switch cached_router_t to use mmap.

            D What to do about reference counts on windows?

              (On Unix, this is easy: unlink works fine.  (Right?)  On

              Windows, I have doubts.  Do we need to keep multiple files?)

            D What do we do about the fact that people can't read zlib-

              compressed files manually?

        o Be a little more OO to save memory in frequently

          replicated structs.

          o Split circuit_t into origin circuits and or circuits

            o Move as many fields as reasonable out of base class.

            o Re-pack structs to avoid wasted bytes.

          o Split connection_t based on type field.

        - Look into pulling serverdescs off buffers as they arrive.

    - "bandwidth classes", for incoming vs initiated-here conns.

    o Asynchronous DNS

        - Test

      - Make the Nameservers option documented, and make it work right on

        reload.

      - Fail when we have no configured nameservers!

      - Make it the default on platforms where it works

      o Fail when we have no configured nameservers!

      - Make it the default on platforms where it works.

  - Security improvements

    - Directory guards