
Achieving near-zero-downtime scaling in Elastic Expert Parallelism
·12 min read
How asynchronous preparation and NIXL EP enabled near-zero-downtime Elastic EP scaling in vLLM.
2 posts

How asynchronous preparation and NIXL EP enabled near-zero-downtime Elastic EP scaling in vLLM.

How Elastic Expert Parallelism lets vLLM scale Mixture-of-Experts serving up or down at runtime by changing data-parallel workers, redistributing experts, and coordinating live topology changes without server restarts.