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本文主要介绍了MPLS（Multiprotocol Label Switching）的技术体系，包括MPLS的一些基本 概念、组网模式 、MPLS 的信令协议LDP（Label Distribution Protocol）以及锐捷网络MPLS 技术的实现。

xilinx Datasheet 7 Series FPGAs OverviewXilinx® 7 series FPGAs comprise three new FPGA families that address the complete range of system requirements, ranging from low cost, small form factor, cost-sensitive, high-volume applications to ultra high-end connectivity bandwidth, logic capacity, and signal processing capability for the most demanding high-performance applications. The 7 series devices are the programmable silicon foundation for Targeted Design Platforms that enable designers to focus on innovation from the outset of their development cycle. The 7 series FPGAs include: • Artix™-7 Family: Optimized for lowest cost and power with small form-factor packaging for the highest volume applications. • Kintex™-7 Family: Optimized for best price-performance with a 2X improvement compared to previous generation, enabling a new class of FPGAs. • Virtex®-7 Family: Optimized for highest system performance and capacity with a 2X improvement in system performance. Highest capability devices enabled by stack