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Learn about Multipath Traffic Engineering (MPTE) in this 46-minute conference talk that explores how to achieve both fine-grained traffic control and hop-by-hop multipathing simultaneously. Discover how MPTE overcomes the traditional trade-off between load balancing (ECMP) and traffic engineering by supporting multiple control planes including RSVP-TE, BGP, and PCEP, along with various data planes such as MPLS and IP tunnels. Explore the technology's ability to program optimally weighted load balancing at each hop while minimizing state at each node, making it applicable across WAN, MAN, and DCI networks as well as within data center clusters. Examine MPTE's particular suitability for AI network infrastructure in multi-tenant training clusters and inferencing service delivery. Gain insights from Sr. Distinguished Technologist Jeffrey Zhang, who brings over 30 years of routing technology experience and active IETF participation as co-chair of the RIFT and BESS working groups.
