communication: add SVS support

Change-Id: I74c5a091c8b1c05dd186a0c10849aa5bb4f39e50
Signed-off-by: Varun Patil <varunpatil@ucla.edu>
diff --git a/docs/INSTALL.rst b/docs/INSTALL.rst
index 71bc478..519841b 100644
--- a/docs/INSTALL.rst
+++ b/docs/INSTALL.rst
@@ -23,6 +23,12 @@
   the ChronoSync library and build it according to the instructions available at
   https://github.com/named-data/ChronoSync#build
 
+- [Optional] SVS library
+
+  NLSR can be used with State Vector Sync as the underlying Sync protocol. Download
+  the ndn-svs library and build it according to the instructions available at
+  https://github.com/named-data/ndn-svs#installation
+
 Build
 -----