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NFD-0.3.0

Changes since version 0.2.0

Release date: February 2, 2015

New features:

-   Build
    -   The code now requires C++11. The minimum supported gcc version
        is 4.6, as earlier versions do not have proper support for C++11
        features.
-   Faces
    -   Enable detection of WebSocket connection failures using
        ping/pong messages (Issue 1903)
    -   In EthernetFace:
        -   Avoid putting the NIC in promiscuous mode if possible (Issue 1278)
        -   Report packets dropped by the kernel if debug is enabled
            (Issue 2441)
        -   Integrate NDNLP fragmentation (Issue 1209)
-   Forwarding
    -   Strategy versioning (Issue 1893)
    -   New Dead Nonce List table to supplement PIT for loop detection
        (Issue 1953)
    -   Abstract retransmission suppression logic (Issue 2377)
    -   New forwarding strategy for access router (Issue 1999)
-   Management
    -   Add config file-based strategy selection (Issue 2053)

The sample config file now includes strategy selection for /,
        /localhost, /localhost/nfd, and /ndn/broadcast namespaces as
        follows:

tables
            {
              ...
              strategy_choice
              {
                /               /localhost/nfd/strategy/best-route
                /localhost      /localhost/nfd/strategy/broadcast
                /localhost/nfd  /localhost/nfd/strategy/best-route
                /ndn/broadcast  /localhost/nfd/strategy/broadcast
              }
            }

-   Implement Query Operation in FaceManager (Issue 1993)
    -   FaceManager now responds with producer-generated NACK when query
        is invalid (Issue 1993)
    -   Add functionality for automatic remote prefix registration
        (Issue 2056)
    -   Only canonical FaceUri are allowed in faces/create commands
        (Issue 1910)

-   Tables
    -   StrategyInfoHost can now store multiple StrategyInfo of distinct
        types (Issue 2240)
    -   Enable iteration over PIT and CS entries (Issue 2339)
    -   Allow predicate to be specified in
        Measurements::findLongestPrefixMatch (Issue 2314)
    -   Calculate the implicit digest of Data packets in CS only when
        necessary (Issue 1706)
-   Tools
    -   Publish /localhop/ndn-autoconf/routable-prefixes from
        ndn-autoconfig-server (Issue 1954)
    -   Display detailed NFD software verion in nfd-status-http-server
        and nfd-status (Issue 1916)
    -   nfdc now accepts FaceUri in all commands (Issue 1995)
    -   Add daemon mode for ndn-autoconfig to re-run detection when
        connectivity changes (Issue 2417)
-   Core
    -   New scheduler::ScopedEventId class to automatically handle
        scheduled event lifetime (Issue 2295)

Updates and bug fixes:

-   Documentation
    -   NFD Developer's guide has been updated to reflect changes in the
        codebase
    -   Installation instruction updates
    -   Update of config file instructions for disabling unix sockets
        (Issue 2190)
-   Core
    -   Use implementations moved to ndn-cxx library

-   Use Signal from ndn-cxx (Issues 2272 and 2300)
          -   use ethernet::Address from ndn-cxx (Issue 2142)
          -   Use MAX_NDN_PACKET_SIZE constant from ndn-cxx (Issue 2099)
          -   Use DEFAULT_INTEREST_LIFETIME from ndn-cxx (Issue 2202)
          -   Use FaceUri from ndn-cxx (Issue 2143)
          -   Use DummyClientFace from ndn-cxx (Issue 2186)
          -   Use ndn::dns from ndn-cxx (Issue 2207)

-   Move Network class implementation from tools/ to core/
    -   Ignore non-Ethernet AF_LINK addresses when enumerating NICs on
        OSX and other BSD systems
    -   Fix bug on not properly setting FreshnessPeriod inside
        SegmentPublisher (Issue 2438)

-   Faces
    -   Fix spurious assertion failure in StreamFace (Issue 1856)
    -   Update websocketpp submodule (Issue 1903)
    -   Replace FaceFlags with individual fields (Issue 1992)
    -   Drop WebSocket message if the size is larger than maximum NDN
        packet size (Issue 2081)
    -   Make EthernetFace more robust against errors (Issue 1984)
    -   Prevent potential infinite loop in TcpFactory and UdpFactory
        (Issue 2292)
    -   Prevent crashes when attempting to create a UdpFace over a
        half-working connection (Issue 2311)
    -   Support MTU larger than 1500 in EthernetFace (for jumbo frames)
        (Issue 2305)
    -   Re-enable EthernetFace on OS X platform with boost >=1.57.0
        (Issue 1922)
    -   Fix ioctl() calls on platforms where libpcap uses /dev/bpf*
        (Issue 2327)
    -   Fix overhead estimation in NDNLP slicer (Issue 2317)
    -   Replace usage of deprecated EventEmitter with Signal in Face
        abstractions (Issue 2300)
    -   Fix NDNLP PartialMessage cleanup scheduling (Issue 2414)
    -   Remove unnecessary use of DNS resolver in
        (Udp|Tcp|WebSocket)Factory (Issue 2422)
-   Forwarding
    -   Updates related to NccStrategy
        -   Fix to prevent remembering of suboptimal upstreams (Issue 1961)
        -   Optimizing FwNccStrategy/FavorRespondingUpstream test case
            (Issue 2037)
        -   Proper detection for new PIT entry (Issue 1971)
        -   Use UnitTestTimeFixture in NCC test case (Issue 2163)
        -   Fix loop back to sole downstream (Issue 1998)
    -   Updates related to BestRoute strategy
        -   Redesign best-route v2 strategy test case (Issue 2126)
        -   Fix clang compilation error in best-route v2 test case
            (Issue 2179)
        -   Use UnitTestClock in BestRouteStrategy2 test (Issue 2160)
    -   Allow strategies limited access to FaceTable (Issue 2272)
-   Tables
    -   Ensure that eviction of unsolicited Data is done in FIFO order
        (Issue 2043)
    -   Simplify table implementations with C++11 features (Issue 2100)
    -   Fix issue with Fib::removeNextHopFromAllEntries invalidating
        NameTree iterator (Issue 2177)
    -   Replace deprecated EventEmitter with Signal in FaceTable (Issue 2272)
    -   Refactored implementation of ContentStore based on std::set
        (Issue 2254)
-   Management
    -   Allow omitted FaceId in faces/create command (Issue 2031)
    -   Avoid deprecated ndn::nfd::Controller(Face&) constructor (Issue 2039)
    -   Enable check of command length before accessing verb (Issue 2151)
    -   Rename FaceEntry to Route (Issue 2159)
    -   Insert RIB command prefixes into RIB (Issue 2312)
-   Tools
    -   Display face attribute fields instead of FaceFlags in nfd-status
        and nfd-status-http-server output (Issue 1991)
    -   Fix nfd-status-http-server hanging when nfd-status output is
        >64k (Issue 2121)
    -   Ensure that ndn-autoconfig canonizes FaceUri before sending
        commands to NFD (Issue 2387)
    -   Refactored ndn-autoconfig implementation (Issue 2421)
    -   ndn-autoconfig will now register also /localhop/nfd prefix
        towards the hub (Issue 2416)
-   Tests
    -   Use UnitTestClock in Forwarder persistent loop test case (Issue 2162)
    -   Use LimitedIo in FwForwarder/SimpleExchange test case (Issue 2161)
-   Build
    -   Fix build error with python3 (Issue 1302)
    -   Embed CI build and test running script
    -   Properly disable assertions in release builds (Issue 2139)
    -   Embed setting of PKG_CONFIG_PATH variable to commonly used
        values (Issue 2178)
    -   Add conditional compilation for NetworkInterface and
        PrivilegeHelper
    -   Support tools with multiple translation units (Issue 2344)

Removals

-   Remove listen option from unix channel configuration (Issue 2188)
-   Remove usage of deprecated MetaInfo::TYPE_* constants (Issue 2128)
-   Eliminate MapValueIterator in favor of boost::adaptors::map_values

7c10b3b

2015-01-21 04:24

下载

NFD-0.2.0

Changes since version 0.1.0

-   Documentation
    -   "NFD Developer's Guide" by 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 #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 innfd-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

62a9394

2014-08-25 07:13

下载

NFD-0.2.0-rc2

Changes since version 0.1.0:

-   Documentation
    -   "NFD Developer's Guide" by 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)
-   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
-   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)
-   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)
-   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

-   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

-   Build
    -   Enable support of precompiled headers for clang and gcc to speed
        up compilation
-   Other small fixes and extensions

68bc1e0

2014-07-29 08:43

下载

NFD-0.2.0-rc1

Changes since version 0.1.0:

-   Documentation
    -   "NFD Developer's Guide" by 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)
-   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)
-   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
-   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)
-   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)
-   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)

-   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

-   Build
    -   Enable support of precompiled headers for clang and gcc to speed
        up compilation
-   Other small fixes and extensions

40ee381

2014-07-01 15:25

下载

NFD-0.1.0

Release 0.1.0

Features in Version 0.1.0
-------------------------

This is an incomplete list of features that are implemented in NFD version 0.1.0.

- **Packet Format**

+ `NDN-TLV <http://named-data.net/doc/ndn-tlv/>`_
  + LocalControlHeader, to allow apps to set outgoing face and learn incoming face.

- **Faces**

+ Unix stream socket
  + UDP unicast
  + UDP multicast
  + TCP
  + Ethernet, currently without fragmentation.

.. note::
         Ethernet support will not work properly on Linux kernels with TPACKET_V3 flexible
         buffer implementation (>= 3.2.0) and libpcap >= 1.5.0 (e.g., Ubuntu Linux 14.04).
         Refer to `Issue 1551 <http://redmine.named-data.net/issues/1511>`_ for more
         detail and implementation progress.

- **Management**

+ Use of signed Interests as commands, with authentication and authorization.
  + Face management
  + FIB management
  + Per-namespace strategy selection
  + NFD status publishing
  + Notification to authorized apps of internal events, including Face creation and destruction.

- **Tables and forwarding pipelines** support most Interest/Data processing, including
  selectors.

- **RIB Management** that runs as a separate process, ``nrd``.  It supports basic prefix
  registration by applications, but no flags yet.

- **Strategies**

+ ``broadcast``
  + ``best-route``
  + ``ncc``: based on ccnx 0.7 for experimentation
  + ``client-control``: authorized application can directly control Interest forwarding

- **Name-based scoping**

+ ``/localhost``: communication only within localhost using "local" Faces
    (UnixStreamFace, LocalTcpFace).  NFD will strictly enforce this scope for Interests
    and Data packets
  + ``/localhop``: one-hop communication (e.g., if at least one incoming or outgoing Face
    in PIT entry is non-local, the Interest cannot be forwarded to any non-local Face)

- **Support configuration file**, which is in the Boost INFO format.

- **Applications**

+ Tools to discover hubs on NDN testbed.
  + peek/poke and traffic generators for testing and debugging.
  + ``nfdc``, a command-line tool to configure NFD.
  + ``nfd-status``, a command-line tool to query NFD status.
  + ``nfd-status-http-server``, which reads the NFD status and publishes over HTTP.

Planned Functions and Features for Next Releases
------------------------------------------------

- NACK
    A packet sent back by a producer or a router to signal the unavailability of a requested
    Data packet. The protocol specification for NACK is in progress.

- New strategies
    Additional strategies, including self-learning that populates the FIB by observing
    Interest and Data exchange.

- Hop-by-hop Interest limit mechanism
    For congestion control

- Face enhancements
    Add fragmentation support for Ethernet face, may add support for new types such as
    WiFi direct and WebSockets.

- Tables
    Experiment and evaluate different data structures and algorithms.

- RIB management
    Move to more scalable data structures and support all flags in prefix registrations.

- Tunnel management
    For hub nodes to authenticate incoming tunnel requests and maintain the tunnels.

- Extensible name-based scoping
    Configurable organization-based scoping

2618153

2014-05-08 14:38

下载

NFD-0.1.0-rc1

b305165

2014-05-01 08:50

下载

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