diff --git a/src/security/nlsr_wl.hpp b/src/security/nlsr_wl.hpp
new file mode 100644
index 0000000..c287842
--- /dev/null
+++ b/src/security/nlsr_wl.hpp
@@ -0,0 +1,31 @@
+#ifndef NLSR_WL_HPP
+#define NLSR_WL_HPP
+
+#include "nlsr_wle.hpp"
+
+namespace nlsr
+{
+  class WaitingList
+  {
+    public:
+      WaitingList()
+        : waitingTable()
+      {}
+      
+      std::list<WaitingListEntry>& getWaitingTable()
+      {
+        return waitingTable;
+      }
+      
+      bool addtoWaitingList(std::string respCert, std::string waitee);
+      std::pair<WaitingListEntry, bool> getWaitingListEntry(std::string respCert);
+      bool removeFromWaitingList(std::string respCert);
+      
+    private:
+      std::list<WaitingListEntry> waitingTable;
+  };
+  
+  std::ostream& operator<<(std::ostream& os, WaitingList wl);
+}
+
+#endif