title Webdriver Test Browser->LoadBalancer: Submit test request for chrome LoadBalancer->Selenium Hub: Forward the request Selenium Hub->Chrome Node: Forward the request Chrome Node-->Chrome Node: Launch headless chrome \n and execute the test Chrome Node-->Selenium Hub: Return back the response Selenium Hub-->LoadBalancer: Return response LoadBalancer-->Browser: Show results Browser->LoadBalancer: Submit test request for Firefox LoadBalancer->Selenium Hub: Forward the request Selenium Hub->Firefox Node: Forward the request Firefox Node-->Firefox Node: Launch headless chrome \n and execute the test Firefox Node-->Selenium Hub: Return back the response Selenium Hub-->LoadBalancer: Return response LoadBalancer-->Browser: Show results