Explains how SRv6 Flex-Algo customizes path selection through IS-IS and supports dual SID termination for flexible and efficient traffic steering.
Today’s evolving networking environment requires advanced routing solutions that offer greater customization, efficiency, and adaptability.
The SRv6 Flexible Algorithm (Flex-Algo) meets the demands by empowering network operators to define routing behaviors tailored to specific operational requirements, extending the capabilities of Segment Routing over IPv6 (SRv6), and integrating seamlessly with Interior Gateway Protocols (IGPs), like IS-IS. Flex-Algo enables precise path computation beyond traditional shortest-path routing.
This chapter explains the key concepts of the SRv6 Flexible Algorithm. It also provides guidance on how to configure it.
SRv6 Flexible Algorithms with IS-IS
Explains how SRv6 Flex-Algo uses IS-IS constraints and metrics to calculate customized forwarding paths and describes its benefits, restrictions, SID advertisement, and configuration.
SRv6 dual termination
Describes how dual termination processes multiple SIDs through two forwarding passes and provides the restrictions and configuration needed to use it with Flex-Algo services.