Make sure that the following ports are open to allow a hardware load balancer: 1  On a Registrar: 5061, 5063 (for SIP connections) 2  On Web Services: 80 (HTTP) and 443 (HTTPS) 3  On a hardware load balancer: 444 (for HTTPS between server components), and make sure that source network address translation (SNAT) is allowed through.
Exercising without eating first can lead to low blood glucose, which can interfere with your brain function. When you eat, glucose levels in your circulating blood rise and are available to travel to your muscle cells. Glucose is also available as glycogen stored in your muscles.
Stress for the GI system, requirements in digestive  enzymes and the need to store new chemical substances from the food in body cells, all these factors lead to hyperventilation causing shortness of breath after eating. You can easily notice the negative effect of overeating on your breathing when you exercise..