diff --git a/AdvancedCppV2/Presentation/exercises/streamer/streamer.cpp b/AdvancedCppV2/Presentation/exercises/streamer/streamer.cpp
index e319278..9ec7979 100644
--- a/AdvancedCppV2/Presentation/exercises/streamer/streamer.cpp
+++ b/AdvancedCppV2/Presentation/exercises/streamer/streamer.cpp
@@ -5,11 +5,16 @@
 class Streamer {
 public:
     struct StreamInfo {
-        std::string sourceAddress_;
-        std::string destinationAddress_;
-        uint16_t sourcePort_;
-        uint16_t destinationPort_;
-        uint16_t vlan_;
+
+        using ip_addr = std::string;
+        using port = uint16_t;
+        using vlan = uint16_t;
+
+        ip_addr sourceAddress_;
+        ip_addr destinationAddress_;
+        port sourcePort_;
+        port destinationPort_;
+        vlan vlan_;
     };
 
     Streamer(std::initializer_list<StreamInfo> info) : info_{info}{