diff --git a/Parallel/IPCSocket.vb b/Parallel/IPCSocket.vb
index 2e9076d..be097ff 100644
--- a/Parallel/IPCSocket.vb
+++ b/Parallel/IPCSocket.vb
@@ -1,13 +1,14 @@
 Imports System.IO
+Imports System.Text
 Imports Microsoft.VisualBasic.ComponentModel
+Imports Microsoft.VisualBasic.Net.Protocols.Reflection
 Imports Microsoft.VisualBasic.Net.Tcp
 Imports Microsoft.VisualBasic.Parallel
 
+<Protocol(GetType(Protocols))>
 Public Class IPCSocket : Implements ITaskDriver
 
-    ReadOnly socket As New TcpServicesSocket(GetFirstAvailablePort) With {
-        .ResponseHandler = AddressOf DataRequestHandler
-    }
+    ReadOnly socket As New TcpServicesSocket(GetFirstAvailablePort)
 
     Public ReadOnly Property HostPort As Integer
         Get
@@ -20,13 +21,33 @@ Public Class IPCSocket : Implements ITaskDriver
     Public Property handleGetArgument As Func(Of Integer, Stream)
 
     Sub New()
+        socket.ResponseHandler = AddressOf New ProtocolHandler(Me).HandleRequest
     End Sub
 
     Public Function Run() As Integer Implements ITaskDriver.Run
         Return socket.Run
     End Function
 
-    Private Function DataRequestHandler(request As RequestStream, remoteAddress As System.Net.IPEndPoint) As BufferPipe
+    <Protocol(Protocols.GetArgumentByIndex)>
+    Public Function GetArgumentByIndex(request As RequestStream, remoteAddress As System.Net.IPEndPoint) As BufferPipe
+        Dim i As Integer = BitConverter.ToInt32(request.ChunkBuffer, Scan0)
+        Dim buf As Stream = _handleGetArgument(i)
+        Dim pipe As New StreamPipe(buf)
 
+        Return pipe
+    End Function
+
+    <Protocol(Protocols.GetArgumentNumber)>
+    Public Function GetArgumentNumber(request As RequestStream, remoteAddress As System.Net.IPEndPoint) As BufferPipe
+        Return New DataPipe(BitConverter.GetBytes(nargs))
+    End Function
+
+    <Protocol(Protocols.PostResult)>
+    Public Function PostResult(request As RequestStream, remoteAddress As System.Net.IPEndPoint) As BufferPipe
+        Using ms As New MemoryStream(request.ChunkBuffer)
+            Call _handlePOSTResult(ms)
+        End Using
+
+        Return New DataPipe(Encoding.ASCII.GetBytes("OK!"))
     End Function
 End Class