IS-IS

• 10/14/2026

  SP-B Flex-Algo: Algorithm 128 Between B-PE1 and B-PE2 over the IOS-XR Path

• 9/23/2026

  Convergence: BFD and Dual-Stack LFA on Both Providers

• 9/11/2026

  SP-B SR-MPLS: Predictable Labels, TI-LFA vs Classic LFA, and fragmentation problem

• 9/3/2026

  IGP Optimization: Prefix Suppression, Overload Bit, LSP Fragmentation, and a little more

• 8/31/2026

  SP-B IGP Foundation: Dual-Stack IS-IS L2 for a Modern Service Provider Core