diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7e56fbf..cd995a3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -55,8 +55,12 @@ target_include_directories(${AppExec} PUBLIC src)
 add_executable(${TestExec}
     tests/main-tests.cpp
     tests/OperatorTests.cpp
+    tests/NetworkTests.cpp
+
     src/Engine/Operator/Attribute.cpp
     src/Engine/Operator/Geometry.cpp
+    src/Engine/Operator/GeometryOperator.cpp
+    src/Engine/Network/NetworkManager.cpp
 )
 find_package(Catch2 3 REQUIRED)
 target_link_libraries(${TestExec} PRIVATE Catch2::Catch2WithMain Eigen3::Eigen)
diff --git a/src/Engine/Network/NetworkManager.cpp b/src/Engine/Network/NetworkManager.cpp
new file mode 100644
index 0000000..d61400d
--- /dev/null
+++ b/src/Engine/Network/NetworkManager.cpp
@@ -0,0 +1,14 @@
+#include "Engine/Network/NetworkManager.h"
+#include "Engine/Operator/GeometryOperator.h"
+#include <iostream>
+#include <memory>
+
+bool enzo::nt::NetworkManager::addOperator()
+{
+
+    gopStore_.emplace(++maxOpId_, std::make_unique<GeometryOperator>());
+    std::cout << "adding operator\n";
+
+    return true;
+}
+
diff --git a/src/Engine/Network/NetworkManager.h b/src/Engine/Network/NetworkManager.h
new file mode 100644
index 0000000..902c9a9
--- /dev/null
+++ b/src/Engine/Network/NetworkManager.h
@@ -0,0 +1,17 @@
+#pragma once
+#include "Engine/Operator/GeometryOperator.h"
+#include "Engine/Types.h"
+#include <memory>
+#include <unordered_map>
+
+namespace enzo::nt {
+class NetworkManager
+{
+public:
+    bool addOperator();
+private:
+    std::unordered_map<enzo::nt::OpId, std::unique_ptr<enzo::nt::GeometryOperator>> gopStore_;
+    enzo::nt::OpId maxOpId_=0;
+
+};
+}
diff --git a/src/Engine/Operator/GeometryOperator.cpp b/src/Engine/Operator/GeometryOperator.cpp
new file mode 100644
index 0000000..5d2a7bc
--- /dev/null
+++ b/src/Engine/Operator/GeometryOperator.cpp
@@ -0,0 +1,9 @@
+#include "Engine/Operator/GeometryOperator.h"
+#include <cstdint>
+
+using namespace enzo;
+
+nt::GeometryOperator::GeometryOperator()
+{
+}
+
diff --git a/src/Engine/Operator/GeometryOperator.h b/src/Engine/Operator/GeometryOperator.h
new file mode 100644
index 0000000..f12013a
--- /dev/null
+++ b/src/Engine/Operator/GeometryOperator.h
@@ -0,0 +1,15 @@
+#pragma once
+#include "Engine/Types.h"
+
+namespace enzo::nt {
+
+class GeometryOperator
+{
+public:
+    GeometryOperator();
+    // nodeDef
+
+private:
+
+};
+}
diff --git a/src/Engine/Types.h b/src/Engine/Types.h
index 9b1cca8..1d3a83b 100644
--- a/src/Engine/Types.h
+++ b/src/Engine/Types.h
@@ -29,4 +29,8 @@ namespace enzo
         using Vector3 = Eigen::Vector3d;
         using Vector4 = Eigen::Vector4d;
     }
+    namespace nt
+    {
+        using OpId = uint64_t;
+    }
 }
diff --git a/tests/NetworkTests.cpp b/tests/NetworkTests.cpp
new file mode 100644
index 0000000..60f3aa4
--- /dev/null
+++ b/tests/NetworkTests.cpp
@@ -0,0 +1,10 @@
+#include <catch2/catch_test_macros.hpp>
+#include "Engine/Network/NetworkManager.h"
+
+
+TEST_CASE("network")
+{
+    enzo::nt::NetworkManager networkManager;
+    networkManager.addOperator();
+}
+