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+PSYNC - Partial and Full Synchronization Library for NDN
+========================================================
+
+If you are new to the NDN community of software generally, read the
+[Contributor's Guide](https://github.com/named-data/NFD/blob/master/CONTRIBUTING.md).
+
+PSync library implements the [PSync protocol](https://named-data.net/wp-content/uploads/2017/05/scalable_name-based_data_synchronization.pdf). It uses Invertible
+Bloom Lookup Table (IBLT), also known as Invertible Bloom Filter (IBF), to represent the state
+of a producer in partial sync mode and the state of a node in full sync mode. An IBF is a compact data
+structure where difference of two IBFs can be computed efficiently.
+In partial sync, PSync uses a Bloom Filter to represent the subscription of list of the consumer.
+PSync uses [ndn-cxx](https://github.com/named-data/ndn-cxx) library as NDN development
+library.
+
+PSync is an open source project licensed under GPL 3.0 (see `COPYING.md` for more
+detail).  We highly welcome all contributions to the PSync code base, provided that
+they can licensed under GPL 3.0+ or other compatible license.
+
+Feedback
+--------
+
+Please submit any bugs or issues to the **PSync** issue tracker:
+
+* https://redmine.named-data.net/projects/psync
+
+Installation instructions
+-------------------------
+
+### Prerequisites
+
+Required:
+
+* [ndn-cxx and its dependencies](https://named-data.net/doc/ndn-cxx/)
+
+### Build
+
+To build PSync from the source:
+
+    ./waf configure
+    ./waf
+    sudo ./waf install
+
+To build on memory constrained platform, please use `./waf -j1` instead of `./waf`. The
+command will disable parallel compilation.
+
+If configured with tests: `./waf configure --with-tests`), the above commands will also
+generate unit tests in `./build/unit-tests`
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