Messaging: Add general WCF code

Messaging/WCF/Constants.vb

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+Namespace WCF
+    Public Class Constants
+        Public Const DEFAULT_SERVICE_PORT = 9000
+
+        ''' <summary>
+        '''  Infos about MaxBufferSize and MaxBufferPoolSize
+        '''  https://social.msdn.microsoft.com/Forums/vstudio/en-US/d6e234d3-942f-4e9d-8470-32618d3f3212/maxbufferpoolsize-vs-maxbuffersize?forum=wcf
+        ''' </summary>
+        Public Class ChannelSettings
+            Public Const MAX_RECEIVED_MESSAGE_SIZE = 2147483647 ' 1GB
+            Public Const MAX_BUFFER_SIZE = 104857600 ' 100MB
+            Public Const MAX_BUFFER_POOL_SIZE = 1048576 ' 1MB
+
+            Public Const MAX_CONNECTIONS = 500
+            Public Const MAX_ARRAY_LENGTH = 2147483647
+            Public Const MAX_STRING_CONTENT_LENGTH = 2147483647
+        End Class
+    End Class
+
+End Namespace