diff options
Diffstat (limited to 'proposals/278-directory-compression-scheme-negotiation.txt')
| -rw-r--r-- | proposals/278-directory-compression-scheme-negotiation.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/proposals/278-directory-compression-scheme-negotiation.txt b/proposals/278-directory-compression-scheme-negotiation.txt index 2c1ea69..475e4af 100644 --- a/proposals/278-directory-compression-scheme-negotiation.txt +++ b/proposals/278-directory-compression-scheme-negotiation.txt @@ -113,6 +113,13 @@ Target: N/A The "deflate", "gzip", and "identity" compression schemes must be supported by directory servers for backwards compatibility. + We use the name "x-tor-lzma" instead of just "x-lzma" because we + require a defined upper bound of memory usage that is available for + decompression of LZMA compressed data. The upper bound for memory + available for LZMA decompression is defined as 16 MB. This currently + means that will not use the LZMA compression scheme with a "preset" + value higher than 6. + Additionally, when a client, that supports this proposals, makes a request to a directory document with the ".z"-suffix it must send an ordered set of supported compression schemes where the last elements |