Ethereum Peer-to-Peer Layer Learnings from Other Networks

Name: Ethereum Peer-to-Peer Layer Learnings from Other Networks
Uploaded: 2026-11-12T14:56:03+00:00
Duration: 10 min 28 s

Original title: What can Ethereum learn from other networks?

Ethereum Foundation 12 Nov 2026 10:28 0 views on YouTube

ETH −3.1%

SOL −1.8%

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Summary

The Ethereum Foundation published a talk by Yiannis Psaras discussing what ETH can learn from other networks regarding its peer-to-peer layer. Ethereum's original peer-to-peer design faces challenges from blob throughput, a growing validator set, and demanding applications that create propagation latency and bandwidth constraints. The talk explores transport primitives like QUIC and TLS 1.3 for fewer round trips and stream multiplexing without head-of-line blocking. It covers spreading messages through erasure-coded broadcast for large payloads like blocks and blobs, alongside aggregation and batching for small, frequent messages. The presentation uses Solana and libraries like Iroh as examples of networks that implemented similar approaches, and examines how these pieces fit into the ETH roadmap.

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Key points

Ethereum's peer-to-peer layer faces bandwidth and propagation latency constraints due to blob throughput, a growing validator set, and demanding applications.
Transport primitives like QUIC and TLS 1.3 offer fewer round trips and stream multiplexing without head-of-line blocking.
Erasure-coded broadcast handles large payloads like blocks and blobs, while aggregation and batching handle small and frequent messages.
Networks like SOL and libraries like Iroh serve as examples of networks that already utilize these transport and block propagation designs.