• pmacct & Redis: pmacct daemons can now connect to a Redis cache.
  The main use-case currenly covered is: registering every stable
  daemon component in a table so to have, when running a cluster
  comprising several daemons / components, an olistic view of what
  is currently running and where; shall a component stop running
  or crash it will disappear from the inventory.
• BMP daemon: as part of the IETF 107 vHackaton, preliminar support
  for draft-xu-grow-bmp-route-policy-attr-trace and draft-lucente-
  grow-bmp-tlv-ebit was introduced. Also added support for Peer
  Distinguisher field in the BMP Per-Peer Header.
• BMP daemon: added support for reading from savefiles in libpcap
  format (pcap_savefile, pcap_savefile_delay, pcap_savefile_replay,
  pcap_filter) as an alternative to the use of bmp_play.py.
• BMP daemon: re-worked, improved and generalized support for TLVs
  at the end of BMP messages. In this context, unknown Stats data
  is handled as a generic TLV.
• BMP daemon: added SO_KEEPALIVE TCP socket option (ie. to keep the
  sessions alive via a firewall / NAT kind of device). Thanks to
  Jared Mauch ( @jaredmauch ) for his patch.
• nfacctd, nfprobe plugin: added usec timestamp resolution to IPFIX
  collector and export via IEs #154, #155. For export, this can be
  configured via the new nfprobe_tstamp_usec knob.
• nfacctd: new nfacctd_templates_receiver and nfacctd_templates_port
  config directives allow respectively to specify a destination
  where to copy NetFlow v9/IPFIX templates to and a port where to
  listen for templates from. If nfacctd_templates_receiver points to
  a replicator and the replicator exports to nfacctd_templates_port
  of a set of collectors then, for example, it gets possible to share
  templates among collectors in a cluster for the purpose of seamless
  scale-out.
• pmtelemetryd: in addition to existing TCP, UDP and ZeroMQ inputs,
  the daemon can now read Streaming Telemetry data in JSON format
  from a Kafka broker (telemetry_daemon_kafka_* config knobs).
• pmgrpcd.py: Use of multiple processes for the Kafka Avro exporter
  to leverage the potential of multi-core/processors architectures.
  Code is from Raphael P. Barazzutti ( @rbarazzutti ).
• pmgrpcd.py: added -F / --no-flatten command-line option to disable
  object flattening (default true for backward compatibility); also
  export to a Kafka broker for (flattened) JSON objects was added (in
  addition to existing export to ZeroMQ).
• nDPI: introduced support for nDPI 3.2 and dropped support for all
  earlier versions of the library due to changes to the API.
• Docker: embraced the technology for CI purposes; added a docker/
  directory in the file distribution where Dockerfile and scripts to
  build pmacct and dependencies are shared. Thanks to Claudio Ortega
  ( @claudio-ortega ) for contributing his excellent work in the area.