NFD version 0.2.0

Release date: August 25, 2014

Changes since version 0.1.0:

• Documentation

  • “NFD Developer’s Guide” by the NFD authors that explains NFD’s internals including the overall design, major modules, their implementation, and their interactions

  • New detailed instructions on how to enable auto-start of NFD using OSX launchd and Ubuntu’s upstart (see contrib/ folder)

• Core

  • Add support for temporary privilege drop and elevation (issue #1370)

  • Add support to reinitialize multicast Faces and (partially) reload config file (issue #1584)

  • Randomization routines are now uniform across all NFD modules (issue #1369)

  • Enable use of new NDN naming conventions (issue #1837 and issue #1838)

• Faces

  • WebSocket Face support (issue #1468)

  • Fix Ethernet Face support on Linux with libpcap version >= 1.5.0 (issue #1511)

  • Fix to recognize IPv4-mapped IPv6 addresses in FaceUri (issue #1635)

  • Fix to avoid multiple onFail events (issue #1497)

  • Fix broken support of multicast UDP Faces on OSX (issue #1668)

  • On Linux, path MTU discovery on unicast UDPv4 faces is now disabled (issue #1651)

  • Added link layer byte counts in FaceCounters (issue #1729)

  • Face IDs 0-255 are now reserved for internal NFD use (issue #1620)

  • Serialized StreamFace::send(Interest|Data) operations using queue (issue #1777)

• Forwarding

  • Outgoing Interest pipeline now allows strategies to request a fresh Nonce (e.g., when the strategy needs to re-express the Interest) (issue #1596)

  • Fix in the incoming Data pipeline to avoid sending packets to the incoming Face (issue #1556)

  • New RttEstimator class that implements the Mean-Deviation RTT estimator to be used in forwarding strategies

  • Fix memory leak caused by not removing PIT entry when Interest matches CS (issue #1882)

  • Fix spurious assertion in NCC strategy (issue #1853)

• Tables

  • Fix in ContentStore to properly adjust internal structure when Cs::setLimit is called (issue #1646)

  • New option in configuration file to set an upper bound on ContentStore size (issue #1623)

  • Fix to prevent infinite lifetime of Measurement entries (issue #1665)

  • Introducing capacity limit in PIT NonceList (issue #1770)

  • Fix memory leak in NameTree (issue #1803)

  • Fix segfault during Fib::removeNextHopFromAllEntries (issue #1816)

• Management

  • RibManager now fully support CHILD_INHERIT and CAPTURE flags (issue #1325)

  • Fix in FaceManager to respond with canonical form of Face URI for Face creation command (issue #1619)

  • Fix to prevent creation of duplicate TCP/UDP Faces due to async calls (issue #1680)

  • Fix to properly handle optional ExpirationPeriod in RibRegister command (issue #1772)

  • Added functionality of publishing RIB status (RIB dataset) by RibManager (issue #1662)

  • Fix issue of not properly canceling route expiration during processing of unregister command (issue #1902)

  • Enable periodic clean up of route entries that refer to non-existing faces (issue #1875)

• Tools

  • Extended functionality of nfd-status

    • -x to output in XML format, see NFD Status XML Schema

    • -c to retrieve channel status information (enabled by default)

    • -s to retrieve configured strategy choice for NDN namespaces (enabled by default)

    • Face status now includes reporting of Face flags (local and on-demand)

    • On-demand UDP Faces now report remaining lifetime (expirationPeriod)

    • -r to retrieve RIB information

  • Improved nfd-status-http-server

    • HTTP server now presents status as XSL-formatted XML page

    • XML dataset and formatted page now include certificate name of the corresponding NFD (issue #1807)

  • Several fixes in ndn-autoconfig tool (issue #1595)

  • Extended options in nfdc:

    • -e to set expiration time for registered routes

    • -o to specify origin for registration and unregistration commands

  • Enable all-faces-prefix'' option in ``nfd-autoreg to register prefix for all face (on-demand and non-on-demand) (issue #1861)

  • Enable processing auto-registration in nfd-autoreg for faces that existed prior to start of the tool (issue #1863)

• Build

  • Enable support of precompiled headers for clang and gcc to speed up compilation

• Other small fixes and extensions