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This conference talk presents "ExpectAll," a novel approach for enhancing link failure resilience in elastic optical networks using binary decision diagrams (BDDs). Learn how researchers from Aalborg University address the Routing and Spectrum Allocation (RSA) problem in modern communication networks that require higher bandwidth and quality of service. The presentation demonstrates how ExpectAll efficiently computes and stores all solutions to the RSA problem using BDD data structures, enabling optimal and fast failover protection even in scenarios with multiple failing links. Discover how this innovative method outperforms state-of-the-art approaches both in finding optimal solutions for current failure scenarios and in precomputation time for route and spectrum assignments. The talk was delivered at the VMCAI conference in January 2025, sponsored by ACM SIGPLAN.
