171 lines
7.2 KiB
Plaintext
171 lines
7.2 KiB
Plaintext
NORM Version History
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Version 1.3b5
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=============
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- Changed ProtoSocket::GetInterfaceAddress() and related methods on Win32
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to use different system APIs depending on Windows version.
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- Fixed some details related to compilation with g++ 4.x.
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- Various issues fixed thanks to input from Timothy Chaplin.
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- Fixed some issues where attempt to resync rx stream after long
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outages (at high data rates) called assertion failures
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(Thanks to Charlie Davis for finding this one)
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- Fixed problem where, on Win32, the sender GRTT estimate was not
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being updated (in the downward direction) properly.
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- Changes to Protolib & Norm to support build of shared libraries
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(Thanks to Dave Talmage & Timothy Mann)
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- Added "NormSetRxPortReuse()" API and code support to allow
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(with care) multiple NORM instances on the same host.
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- Fixes to NORM congestion control including:
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1) measurement of "recv_rate" at low transmission rates
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fixed (made sure measurement was over sufficient
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interval at low rates including cc startup)
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2) Re-instated code to reduce rate when feedback stopped
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being received.
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3) Changed to time-based aging of feedback to "deactivate"
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stale congestion control feedback representative state
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kept by sender.
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4) Fixed mis-set of PLR flag as CLR flag and fixed bug
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in updating CC node list upon CC feedback reception.
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(Thanks to Praveen Gopala for prompting all of this)
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- Fixes for Win32 large file support "in normFile.cpp"
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(Thanks to Titze Stefan for this fix).
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- Added "NormSetGrttMax()", "NormSetGrttProbingMode()",
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and "NormSetGrttProbingInterval()" APIs to control
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NORM GRTT measurement/estimation process.
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(Thanks to Dave Lucas for prompting me here)
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- Changed posting of NORM_TX_QUEUE_VACANCY for streams such
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that new postings of this event are made, _only_ after a
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successful call to NormStreamWrite() ... This results in
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reduced posting of unnecessary vacancy events, but now the
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onus is on the app to pay attention to this event, since
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another of it's type won't be posted until the app calls
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NormStreamWrite() with non-zero content length.
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(Thanks to Charlie Davis for bringing this to my attention)
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- Made sure messages from self are ignored unless loopback
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is explicitly enabled (see NormSetLoopback()) even for
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operating systems whose ProtoSocket::SetLoopback() doesn't
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work properly.
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Version 1.3b4
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=============
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- Added NormSetTxCacheBounds(), see NormDevGuide for details
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- Fixed issue with NormStreamSeekMsgStart() that crept in
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somehow (Thanks to Jody Hagins for finding it).
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- Added code to check that NormFileEnqueue() argument is
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actually a file and not a directory name (Thanks to
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Charlie Shyr for finding this)
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- Fixed NormSession::Open() so that IPv6 works
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Version 1.3b3
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=============
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- Added NORM_TX_FLUSH_COMPLETE notification so the sender app
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can make an educated guess as to when his receivers are
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all happy.
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- Added NORM API sample code in "examples" directory.
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- Added NormObjectGetBytesPending() call for receivers to
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use to monitor reception progress.
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Version 1.3b2
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=============
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- Added "graceful" stream shutdown option to
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NORM API via the NormStreamClose() call.
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- Embedded FLAG_STREAM_END flag in "payload_reserved"
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field of NORM_DATA messages. This is beyond
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the current RFC 3940 spec for NORM, but probably
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something to push for addition to the next revision
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of the spec.
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- Embedded equivalent FLAG_MSG_START in "payload_reserved"
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field of NORM_DATA messages. This allows message
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boundary recovery for streams upon FEC decoding.
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Again, this is "beyond" the current NORM spec, but
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probably a good idea (Other stream control functions
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might use this field as well)
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- Added Visual Studio .NET project files
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Version 1.3b1
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=============
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- Prevented pile-up of TX_QUEUE_VACANCY notifications
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- Fix/optimization to ProtoDispatcher threaded operation
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to prevent possible (although minor) race condition
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during threaded operation.
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- Added NORM API calls: NormSetTxSocketBuffer(),
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NormSetRxSocketBuffer(), NormSetUserData(),
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NormGetUserData(), and implemented overlooked
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NormGetDescriptor()
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- Thanks again to Charlie Davis for finding some
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performance deficiencies.
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Version 1.2b9
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=============
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- Fixed bugs with NormServerNode::retrieval_pool mgmnt
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(Thanks to Charlie Davis for tracking these down!!!)
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- Changed ProtoDispatcher thread stuff so threads
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(e.g. the NORM API thread) are only actively
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signaled and interrupted when absolutely necessary
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- Added support for NORM_TX_QUEUE_VACANCY notification
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(for NORM_OBJECT_STREAM only at the moment)
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Version 1.2b8
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=============
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- Fixed bug introduced during "alignment" changes
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in previous release.
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- Fixed Protolib WIN32 build issue
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Version 1.2b7
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=============
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- Changed normMessage.[h|cpp] to fix alignment issues
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(and other alignment stuff)
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- Fixed bug in NormCmdCCMsg::Iterator::GetNextNode()
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(might significantly help CC performance
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- Fixed NormServerNode::FreeBuffers() bug which
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could result in seg fault on remote server timeout
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or at app shutdown
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- Fixed bug where tx_sequence count was being
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incremented for all transmitted messages (The "fix"
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does not yet address separate increment of messages
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sent to different addresses, etc). The bug impacted
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congestion control performance when nodes acted as
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sender _and_ receiver (caused receives to overestimate
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packet loss)
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Version 1.2b6
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=============
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- Added normApi.cpp into libNorm.a (Norm.lib (WIN32)) builds
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- Fixed Solaris build (new protolib code)
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- Included very rough user's guide for "norm" demo app
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Version 1.2b5
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=============
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- Initial release with theoretically-working API
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(including "Norm Developer's Guide!")
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Version 1.2b4
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=============
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- Finally remembered to update this file!
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- Added "help" command to "norm" demo app (Thanks Marinho Barcellos!)
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- New rxbuffer mgmnt scheme to better use limited buffer space.
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- Removed explicit rate limit on receiver feedback messages
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- API more complete and established better API naming conventions
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(documentation soon to follow, I promise!)
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- There have been some "cc" tweaks and bug fixes.
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- NORM RFC 3940 was released and this version is in compliance.
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- Added optional positive acknowledgements for sender-defined
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"watermarks".
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- Fixed multicast leave problem when interfaceName was used for join
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Version 1.1b9
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=============
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- There have been a number of bug fixes since 1.1b3. This release
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fixes a bug in NormBlockBuffer::Remove() and
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NormObjectBuffer::Remove(). (Thanks Thava!)
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Version 1.1b3
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=============
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- Started keeping version history. This release includes
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some bug fixes, smoother congestion control operation, etc
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over some of the earlier releases.
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Please address bug reports, suggestions etc to the email list:
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mailto:norm-dev@pf.itd.nrl.navy.mil
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