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NFD version 0.4.0
-----------------
Release date: TBD
.. note::
Version 0.4.0 introduces several breaking changes to API and wire format of management protocols
Changes since version 0.3.4:
New features:
^^^^^^^^^^^^^
- **(breaking change)** Refactored implementation of face system (:issue:`3088`,
:issue:`3104`, :issue:`3165`, :issue:`3168`, :issue:`3225`, :issue:`3226`, :issue:`3253`)
The abstraction to send/receive NDN packets has been split into Transport, LinkService, and Face:
* *Transport* provides delivery of the data blocks over specific underlying channels
(raw ethernet packets, unicast/multicast UDP datagrams, TCP and WebSocket streams)
Implemented: :NFD:`UnixStreamTransport`, :NFD:`UnicastUdpTransport`, :NFD:`MulticastUdpTransport`,
:NFD:`InternalForwarderTransport`
* *LinkService* provides an "adaptation" layer to translate between NDN packets and data
blocks communicated through Transport. For example, LinkService can provide packet
fragmentation and reassembly services.
Implemented: :NFD:`GenericLinkService`
* *Face* provides combines Transport and LinkServices, providing high-level interface to work
with Interest/Data/Nack packets inside NFD.
.. note::
This feature replaces support for signaling between local applications and NFD from
LocalControlHeader with NDNLPv2 protocol. If your application uses
LocalControlHeader features, it must be updated to use the new protocol (e.g., update
to use ndn-cxx >= 0.4.0)
- Support for NDNLPv2 (http://redmine.named-data.net/projects/nfd/wiki/NDNLPv2,
:issue:`2520`, :issue:`2763`, :issue:`2841`)
* Network NACK (:issue:`2883`)
- Networking NACK in pipelines and best-route strategy (:issue:`3156`)
- Refactored implementation of NFD management (:issue:`2200`, :issue:`2107`)
- Interest forwarding processes Link included in interest packets (:issue:`3034`)
.. note::
This feature requires proper defintion of new ``tables.network_region`` section in
the NFD config file (:issue:`3159`)
- Full support for UDP permanent faces (:issue:`2993`, :issue:`2989`, :issue:`3018`)
Updates and bug fixes:
^^^^^^^^^^^^^^^^^^^^^^
- **(breaking change)** Redesign of automatic prefix propagation, formerly known as remote
prefix registration (:issue:`3211`, :issue:`2413`)
This includes a backward-incompatible change to NFD's configuration file:
* ``rib.remote_register`` section has been removed and, if present, will cause failure for NFD to start
* ``rib.auto_prefix_propagate`` section has been added to control automatic prefix propagation feature
- Fix memory leak in PriorityFifoPolicy (:issue:`3236`)
- Display extended information for fatal NFD errors (:issue:`2541`)
- Compilation fixes for clang-700.0.72 (Apple LLVM 7.0.0) (:issue:`3209`)
- Properly handle exception from NetworkMonitor when the platform doesn't support it
(:issue:`3195`)
Deprecated:
^^^^^^^^^^^
- BroadcastStrategy (``/localhost/nfd/strategy/broadcast``) renamed as MulticastStrategy
(``/localhost/nfd/strategy/multicast``) (:issue:`3011`)
Deleted:
^^^^^^^^
- NotificationStream, replaced by the version in ndn-cxx library (:issue:`2144`)
Planned features for future releases:
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Improvements and extension of NDNLPv2 support
* New transports
* New link service implementation, including support for fragmentation and assembly
- Improved support for automatic prefix propagation (:issue:`3211`, :issue:`2413`)