By default, Integration Server accepts port connections requests as soon as it receives them. This can be a problem if the port receives multiple requests simultaneously and does not have the resources to handle them. You can handle this by specifying a delay value using the Advanced Controls page. With a delay value in place, Integration Server will wait the specified number of milliseconds before accepting a connection request on this port. The Advanced Controls page provides you the capability to control the rate at which the listener accepts connections, over the size of the private thread pool, if it was enabled.