Segment Routing (SR) is a new way of forwarding data, which simplifies the process of traffic engineering. It was conceptualized to make networks more scalable, dynamic, flexible, and deterministic. While MPLS has proven its versatility over the years, SR was designed to take MPLS one-step further in order to support new services. SR’s hybrid control plane approach facilitates automation and orchestration, while solving for MPLS’s complexity and scalability issues.
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