diff --git a/ZeroLevel/Services/Network/Contracts/IExchange.cs b/ZeroLevel/Services/Network/Contracts/IExchange.cs
index 510321c..375f542 100644
--- a/ZeroLevel/Services/Network/Contracts/IExchange.cs
+++ b/ZeroLevel/Services/Network/Contracts/IExchange.cs
@@ -17,6 +17,7 @@ namespace ZeroLevel.Network
         IServiceRoutesStorage RoutesStorage { get; }
         IServiceRoutesStorage DiscoveryStorage { get; }
 
+        IClient GetConnection(ISocketClient client);
         IClient GetConnection(string alias);
         IClient GetConnection(IPEndPoint endpoint);
     }
diff --git a/ZeroLevel/Services/Network/Exchange.cs b/ZeroLevel/Services/Network/Exchange.cs
index aa9bb96..8c4abc5 100644
--- a/ZeroLevel/Services/Network/Exchange.cs
+++ b/ZeroLevel/Services/Network/Exchange.cs
@@ -635,6 +635,19 @@ namespace ZeroLevel.Network
             return null;
         }
 
+        public IClient GetConnection(ISocketClient client)
+        {
+            try
+            {
+                return new ExClient(client);
+            }
+            catch (Exception ex)
+            {
+                Log.SystemError(ex, "[Exchange.GetConnection]");
+            }
+            return null;
+        }
+
         #region Host service
         public IRouter UseHost()
         {
diff --git a/ZeroLevel/Services/Network/LongRequest.cs b/ZeroLevel/Services/Network/LongRequest.cs
index da6cf05..cc4d30d 100644
--- a/ZeroLevel/Services/Network/LongRequest.cs
+++ b/ZeroLevel/Services/Network/LongRequest.cs
@@ -1,41 +1,30 @@
-using System.Threading;
-using ZeroLevel.Services.Serialization;
+using ZeroLevel.Services.Serialization;
 
 namespace ZeroLevel.Services.Network
 {
     public class LongRequest<T>
         : IBinarySerializable
     {
-        static long _index = 0;
-
         public LongRequest() { }
 
-        public LongRequest<T> Create(T value, string serviceKey, string inbox) => new LongRequest<T>
+        public LongRequest<T> Create(T value, string inbox) => new LongRequest<T>
         {
-            Identity = Interlocked.Increment(ref _index),
             Body = value,
-            ServiceKey = serviceKey,
             Inbox = inbox
         };
 
-        public long Identity { get; set; }
         public T Body { get; set; }
-        public string ServiceKey { get; set; }
         public string Inbox { get; set; }
 
         public void Deserialize(IBinaryReader reader)
         {
-            this.Identity = reader.ReadLong();
             this.Inbox = reader.ReadString();
-            this.ServiceKey = reader.ReadString();
             this.Body = reader.ReadCompatible<T>();
         }
 
         public void Serialize(IBinaryWriter writer)
         {
-            writer.WriteLong(this.Identity);
             writer.WriteString(this.Inbox);
-            writer.WriteString(this.ServiceKey);
             writer.WriteCompatible<T>(this.Body);
         }
     }