diff --git a/Example.Backend/LoadTestImp.cs b/Example.Backend/LoadTestImp.cs
index a3752e5..443d61a 100644
--- a/Example.Backend/LoadTestImp.cs
+++ b/Example.Backend/LoadTestImp.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Diagnostics;
 using System.Threading;
 using System.Threading.Tasks;
 using Example.Shared;
@@ -21,7 +22,7 @@ namespace Example.Backend
 
         public void C()
         {
-            throw new NotImplementedException();
+            Environment.Exit(0);
         }
 
         public void A()
diff --git a/Example.Frontend/Program.cs b/Example.Frontend/Program.cs
index 6e91b88..08c8b45 100644
--- a/Example.Frontend/Program.cs
+++ b/Example.Frontend/Program.cs
@@ -131,7 +131,7 @@ class Program
         DemoCheck.TaskCancelation = true;
 #endif
         
-        const int iterations = 10000;
+        const int iterations = 10_000;
         var timer = Stopwatch.StartNew();
         var x = 0;
         for (int i = 0; i < iterations; i++)
diff --git a/Example.Shared/ILoadTest.cs b/Example.Shared/ILoadTest.cs
index 4d9bc21..54212b3 100644
--- a/Example.Shared/ILoadTest.cs
+++ b/Example.Shared/ILoadTest.cs
@@ -13,7 +13,6 @@ namespace Example.Shared
         int Last(int next);
         void C();
         void A();
-
         Task AsyncTest(CancellationToken token = default);
     }
 }
\ No newline at end of file
diff --git a/mROA.Cbor/CborSerializationToolkit.cs b/mROA.Cbor/CborSerializationToolkit.cs
index 7943956..a17cd39 100644
--- a/mROA.Cbor/CborSerializationToolkit.cs
+++ b/mROA.Cbor/CborSerializationToolkit.cs
@@ -13,7 +13,7 @@ namespace mROA.Cbor
 {
     public class CborSerializationToolkit : IContextualSerializationToolKit
     {
-        private static Dictionary<Type, List<PropertyInfo>> _propertiesCache = new();
+        private Dictionary<Type, List<PropertyInfo>> _propertiesCache = new();
         public static TimeSpan SerializationTime = TimeSpan.Zero;
         public byte[] Serialize(object objectToSerialize, IEndPointContext context)
         {
@@ -232,7 +232,7 @@ namespace mROA.Cbor
                 return;
             }
 
-            var properties = GetAvalibleProperties(type);
+            var properties = GetAvailableProperties(type);
             var values = properties.Select(property => property.GetValue(obj)).ToList();
             WriteList(values, writer, context);
         }
@@ -403,7 +403,7 @@ namespace mROA.Cbor
 
         private void FillObject(object obj, Type type, CborReader reader, IEndPointContext? context)
         {
-            var properties = GetAvalibleProperties(type);
+            var properties = GetAvailableProperties(type);
             var length = reader.ReadStartArray();
             try
             {
@@ -441,7 +441,7 @@ namespace mROA.Cbor
             return finalProperties;
         }
 
-        private List<PropertyInfo> GetAvalibleProperties(Type type)
+        private List<PropertyInfo> GetAvailableProperties(Type type)
         {
             if (_propertiesCache.TryGetValue(type, out var properties))
             {
diff --git a/mROA.sln b/mROA.sln
index 4532adc..da86d99 100644
--- a/mROA.sln
+++ b/mROA.sln
@@ -25,6 +25,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "TotalDemo", "TotalDemo", "{
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "mROA.CodegenTools", "mROA.CodegenTools\mROA.CodegenTools.csproj", "{FFB8DFAE-17F0-4335-8F17-187B3619E8F2}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Example.Load", "Example.Load\Example.Load.csproj", "{930B236B-BDAA-4B8C-8054-5B992BAE6622}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -67,6 +69,10 @@ Global
 		{FFB8DFAE-17F0-4335-8F17-187B3619E8F2}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{FFB8DFAE-17F0-4335-8F17-187B3619E8F2}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{FFB8DFAE-17F0-4335-8F17-187B3619E8F2}.Release|Any CPU.Build.0 = Release|Any CPU
+		{930B236B-BDAA-4B8C-8054-5B992BAE6622}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{930B236B-BDAA-4B8C-8054-5B992BAE6622}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{930B236B-BDAA-4B8C-8054-5B992BAE6622}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{930B236B-BDAA-4B8C-8054-5B992BAE6622}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -76,5 +82,6 @@ Global
 		{A9BB364E-0BA6-40B9-A293-757BC48EFC06} = {FC4FA752-10A7-4D78-A7C2-9BCD8A81FB5E}
 		{9BD25A13-3165-47C0-9EAA-5C59EC490E32} = {FC4FA752-10A7-4D78-A7C2-9BCD8A81FB5E}
 		{E7703F5B-F2A6-4A88-AA57-EBB1E38D533E} = {FC4FA752-10A7-4D78-A7C2-9BCD8A81FB5E}
+		{930B236B-BDAA-4B8C-8054-5B992BAE6622} = {FC4FA752-10A7-4D78-A7C2-9BCD8A81FB5E}
 	EndGlobalSection
 EndGlobal
diff --git a/mROA/Implementation/CancellationRepository.cs b/mROA/Implementation/CancellationRepository.cs
index d6543aa..3bc93c2 100644
--- a/mROA/Implementation/CancellationRepository.cs
+++ b/mROA/Implementation/CancellationRepository.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Threading;
 using mROA.Abstract;
@@ -7,7 +8,7 @@ namespace mROA.Implementation
 {
     public class CancellationRepository : ICancellationRepository
     {
-        private Dictionary<Guid, CancellationTokenSource> _cancellations = new();
+        private ConcurrentDictionary<Guid, CancellationTokenSource> _cancellations = new();
 
         public void RegisterCancellation(Guid id, CancellationTokenSource cts)
         {
@@ -16,12 +17,12 @@ namespace mROA.Implementation
 
         public CancellationTokenSource? GetCancellation(Guid id)
         {
-            return _cancellations.GetValueOrDefault(id, null);
+            return _cancellations.GetValueOrDefault(id);
         }
 
         public void FreeCancelation(Guid id)
         {
-            _cancellations.Remove(id);
+            _cancellations.Remove(id, out _);
         }
 
         public void Inject<T>(T dependency)