The Tcp.net Port Sharing service enables multiple Windows Communication Foundation (WCF) services that are using the Tcp.net ...

The Tcp.net Port Sharing service enables multiple Windows Communication Foundation (WCF) services that are using the Tcp.net protocol to listen on a single TCP port. Port sharing reduces the number of firewall exceptions that you need to host WCF services. To enable port sharing for a WCF service, you run the Net.Tcp Port Sharing service and you configure WCF service binding to use port sharing.