diff --git a/builds/msvc/vs2015/libzmq/libzmq.vcxproj b/builds/msvc/vs2015/libzmq/libzmq.vcxproj
index 9d310108..5201d076 100644
--- a/builds/msvc/vs2015/libzmq/libzmq.vcxproj
+++ b/builds/msvc/vs2015/libzmq/libzmq.vcxproj
@@ -66,6 +66,14 @@
     <Import Project="$(ProjectDir)..\..\properties\Output.props" />
     <Import Project="$(ProjectDir)$(ProjectName).props" />
   </ImportGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='DebugDLL|Win32'">
+    <Linkage-libsodium />
+    <Option-sodium />
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseDLL|x64'">
+    <Linkage-libsodium />
+    <Option-sodium />
+  </PropertyGroup>
   <ItemGroup>
     <ClInclude Include="..\..\..\..\include\zmq.h" />
     <ClInclude Include="..\..\..\..\include\zmq_utils.h" />
@@ -121,6 +129,8 @@
     <ClInclude Include="..\..\..\..\src\server.hpp" />
     <ClInclude Include="..\..\..\..\src\socks.hpp" />
     <ClInclude Include="..\..\..\..\src\socks_connecter.hpp" />
+    <ClInclude Include="..\..\..\..\src\udp_address.hpp" />
+    <ClInclude Include="..\..\..\..\src\udp_engine.hpp" />
     <ClInclude Include="..\..\platform.hpp" />
     <ClInclude Include="..\..\..\..\src\poll.hpp" />
     <ClInclude Include="..\..\..\..\src\poller.hpp" />
@@ -240,6 +250,8 @@
     <ClCompile Include="..\..\..\..\src\thread.cpp" />
     <ClCompile Include="..\..\..\..\src\timers.cpp" />
     <ClCompile Include="..\..\..\..\src\trie.cpp" />
+    <ClCompile Include="..\..\..\..\src\udp_address.cpp" />
+    <ClCompile Include="..\..\..\..\src\udp_engine.cpp" />
     <ClCompile Include="..\..\..\..\src\v1_decoder.cpp" />
     <ClCompile Include="..\..\..\..\src\v1_encoder.cpp" />
     <ClCompile Include="..\..\..\..\src\v2_decoder.cpp" />
@@ -263,4 +275,4 @@
     <ResourceCompile Include="..\..\resource.rc" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
-</Project>
+</Project>
\ No newline at end of file
diff --git a/builds/msvc/vs2015/libzmq/libzmq.vcxproj.filters b/builds/msvc/vs2015/libzmq/libzmq.vcxproj.filters
index e9acdfc4..54a0bd2f 100644
--- a/builds/msvc/vs2015/libzmq/libzmq.vcxproj.filters
+++ b/builds/msvc/vs2015/libzmq/libzmq.vcxproj.filters
@@ -241,6 +241,21 @@
     <ClCompile Include="..\..\..\..\src\socket_poller.cpp">
       <Filter>src</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\src\udp_address.cpp">
+      <Filter>src</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\..\src\udp_engine.cpp">
+      <Filter>src</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\..\src\dish.cpp">
+      <Filter>src</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\..\src\radio.cpp">
+      <Filter>src</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\..\..\src\timers.cpp">
+      <Filter>src</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\..\..\..\include\zmq_utils.h">
@@ -522,6 +537,21 @@
     <ClInclude Include="..\..\..\..\src\decoder_allocators.hpp">
       <Filter>src\include</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\src\udp_address.hpp">
+      <Filter>src\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\src\udp_engine.hpp">
+      <Filter>src\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\src\dish.hpp">
+      <Filter>src\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\src\radio.hpp">
+      <Filter>src\include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\..\..\..\src\timers.hpp">
+      <Filter>src\include</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <Filter Include="include">
diff --git a/include/zmq_utils.h b/include/zmq_utils.h
new file mode 100644
index 00000000..99a32869
--- /dev/null
+++ b/include/zmq_utils.h
@@ -0,0 +1,30 @@
+/*
+    Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
+
+    This file is part of libzmq, the ZeroMQ core engine in C++.
+
+    libzmq is free software; you can redistribute it and/or modify it under
+    the terms of the GNU Lesser General Public License (LGPL) as published
+    by the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    As a special exception, the Contributors give you permission to link
+    this library with independent modules to produce an executable,
+    regardless of the license terms of these independent modules, and to
+    copy and distribute the resulting executable under terms of your choice,
+    provided that you also meet, for each linked independent module, the
+    terms and conditions of the license of that module. An independent
+    module is a module which is not derived from or based on this library.
+    If you modify this library, you must extend this exception to your
+    version of the library.
+
+    libzmq is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+    License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*  This file is deprecated, and all its functionality provided by zmq.h     */