2019-kvm-forum/papers/NBD-changes.tex

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  22
  23 \title{Summary of changes in NBD-related projects since mid 2016}
  24
  25 \begin{document}
  26 \maketitle
  27
  28 \section{NBD protocol}
  29 \url{https://github.com/NetworkBlockDevice/nbd/blob/master/doc/proto.md}
  30
  31 \begin{description}
  32 \item[2016]
  33
  34 \verb|WRITE_ZEROES|
  35
  36 \verb|NBD_OPT_INFO| and \verb|NBD_OPT_GO| (finalized)
  37
  38 TLS support (finalized)
  39
  40 \verb|NBD_OPT_BLOCK_SIZE|
  41
  42 \verb|NBD_FLAG_CAN_MULTI_CONN|
  43
  44 \item[2017]
  45
  46 \verb|STRUCTURED_REPLY| merged
  47
  48 \item[2018]
  49
  50 \verb|NBD_CMD_BLOCK_STATUS|, metadata contexts, \verb|base:|
  51 namespace, etc. merged
  52
  53 Preferred block size specified as 512 bytes.  Document maximum
  54 request size limits.
  55
  56 \verb|NBD_CMD_CACHE|
  57
  58 \item[2019]
  59
  60 \verb|NBD_CMD_FLAG_FAST_ZERO|
  61
  62 Recommend use of \verb|TCP_NODELAY|
  63
  64 \end{description}
  65
  66 \subsection{URIs}
  67
  68 \begin{description}
  69 \item[2019]
  70 NBD URI specification was introduced.
  71 \url{https://github.com/NetworkBlockDevice/nbd/blob/master/doc/uri.md}
  72 \end{description}
  73
  74
  75 \f
  76 \section{qemu-nbd}
  77
  78
  79
  80 \f
  81 \section{nbdkit}
  82
  83
  84 \f
  85 \section{libnbd}
  86
  87 \end{document}