State Management :: Keep Socket Connection Open?

I wrote a small socket client application talking to my asp.net server application.

On the asp.net side, I created a IHttpHandler. I want to send data back and forth on one HTTP request.

I tried the following code which run an infinite loop inside function ProcessRequest(). The client side opens a socket connection and send HTTP POST request.

I am not sure how asp.net work. In HTTP POST I have to specify Content-Length, I tried a small value, like 20, then asp.net handler can only get 20 bytes in the inputstream. I tried to use 4096000 bytes(close to the maximum IIS allowed), then the inputstream cannot get anything, it seems IIS is waiting for all data(4096000) to come from client side before it gives the handler a chance to read from the socket.

public class DeviceDataHandler : IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
try
{
Stream inputstream = context.Request.InputStream;
Stream outputstream = context.Response.OutputStream;
/loop forever until exception is thrown
while (true)
{
ProcessData(inputstream, outputstream);
}
}
catch (Exception ex)
{
ZenLog.logError("DeviceConnector exception: " + ex.Message);
}
}
public bool IsReusable
{
get
{
return true;
}
}
}