Reliv International is a legitimate company in that it was properly incorporated, has corporate officers and is listed on a stock exchange. But that is a different question from "Do Reliv products work?" if that is what you mean.
A network is converged immediately after a topology change has occurred. A network is converged when all routers flush the unreachable networks from their routing tables. A network is converged after all routers share the same information, calculate best paths… Full Answer