However, because of its complexity, we are apt to adopt LDP, which is relatively simple, as the signaling protocol of VPLS in Terabit Router.

• 相对地,LDP信令机制较为简单,而且LDP本身就是MPLS的控制协议,以LDP实现VPLS可显著降低实现难度,基于上述考虑,T比特路由器采用LDP作为VPLS的信令协议。