[ace-users] SSL Connection and TCP connection

[richard zhao]

ACE VERSION: 5.5.8

HOST MACHINE and OPERATING SYSTEM: Windows XP and WINSOCK 2.0

COMPILER NAME AND VERSION (AND PATCHLEVEL): Microsoft Visual Studio 2005

 Issues: 
  I am doing Client/Server network progarmming  by using ACE. Between Client and Server, I tried two kinds of connections, one connection is TCP connection and another one is SSL connection. through testing, I found TCP connection is much faster than SSL connection. For example, when I send some data by TCP connection, it will take 17s. however when I send same data by SSL connection. it will take 79s. I know SSL connection should be slower than TCP connection. 
  do you think it should be so slow? what I did is as following:
   
   class ServiceHandler : public ACE_Svc_Handler<ACE_SSL_SOCK_STREAM, ACE_MT_SYNCH>
  .
  .
  .
  In this class, there is a piece of code like the following:
   
  If (SSLConnection) //ssl connection
  {
  //send out data by ssl communication
        send_cnt = this->peer ().sendv_n (iov, 2); 
  }
  else //TCP connnection
  {
  //send out data by TCP communication
        send_cnt = this->peer ().peer().sendv_n(iov, 2); 
  }
   
   other code are same for TCP connection and SSL Connections.
   
  thank you very much for your comments and suggestion in advance.
   
  Richard

 
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