The application of SDN to deployed routing and signaling protocols and as a viable technology to automate and operate long deployed control plane software is now really gaining traction.
Red is making a sign, carefully routing letters into a long plank of wood .
瑞德正在做牌子，他仔细地在一块长长的木头板子上排列字母。
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This paper discusses how to solve dynamic routing problem with simplex algorithm in a long-distance telecommunication switch network. The computed results are shown in the paper.