mbuffer is a tool for buffering data streams with unique features:

  - direct support for TCP based network targets (IPv4 and IPv6)
  - ability to send to multiple targets in parallel (distribution mode)
  - support for multiple volumes
  - I/O rate limitation
  - high/low watermark based restart criteria
  - configurable buffer size
  - on the fly MD5 hash calculation
  - highly efficient, multi-threaded implementation