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４．３ ＭＰＬＳ技术的发展现状及前景预测 １９９７年ＩＥＴＦ提出ＭＰＬＳ以后，到目前为止，有关ＭＰＬＳ技术的协议标准草案和规范已经有约１４０个，并且在１９９９年就有厂商推出ＭＰＬＳ设备。这种进展速度是以前任何一种技术所没有的。就其当前的发展现状可以从下面三
4.3 Status Quo and Prospects of MPLS Technology After IETF put forward MPLS in 1997, up to now, there are about 140 protocols and protocols for MPLS technology. In 1999, some manufacturers introduced MPLS devices. This rate of progress has not been possible with any of the previous technologies. The current status of its development from the following three