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An Edge-Queued Datagram Service for All Datacenter Traffic

USENIX via YouTube

Overview

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Explore a 16-minute conference talk from NSDI '22 that introduces EQDS (Edge-Queued Datagram Service), a novel approach to datacenter networking. Learn how EQDS moves queuing from the core network to the sending host, enabling support for multiple protocols and in-network switch enhancements. Discover how this innovative service can improve performance for legacy TCP and RDMA stacks, reduce flow completion times, and enhance NVMeOF throughput. Gain insights into the challenges of modern datacenter networking and how EQDS addresses issues of protocol coexistence and network congestion. Understand the potential impact of EQDS on datacenter traffic management and its role in enabling future transport protocol evolution.

Syllabus

Intro
Datacenter networking toda
EQDS: an edge-queued datagram
Edge Queued Datagram Service
EQDS concept: reordering & retransmissions
EQDS concept: queuing disciplines
EQDS building blocks
NDP backend: small buffers + packet to
RTS backend (1RMA) - no switch supp
EQDS host API and tunnel protocol
Deploying EQDS
Disaggregated storage: reducing flow ca
Incast: reducing latency at scale
Sharing in clouds What happens if different VMs use conflictin
Edge-Queued Datagram Service (EQDS) move buffering out of the network, into the en

Taught by

USENIX

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