Beyond Swapping Bits

" summary

Describes Bitswap, the Block Exchange protocol used by IPFS and Filecoin for content-addressed P2P retrieval, explains its baseline design using Merkle-linked graphs for parallel fetch and integrity checks, and reports several protocol extensions that boost content discovery rate and reduce bandwidth fingerprinting by leveraging information from the content routing subsystem. Covers the testbed built to evaluate these improvements and how the enhancements improve file-sharing efficiency and efficacy in P2P networks.

AI-written summary · about

" related talks

• 54mIPFS & Filecoin 101Jenks Guo · HackFS 2023
• 45mIPFS - The Practical BitsCody Zuschlag · Devoxx France 2023
• 32mGetting started with p2pSarah Friend · Craft Conference 2019
• 24mIndexing the Planet For GoodMasih Derkani · Protocol Berg 2023
• 27mDecentralized Storage with IPFS: How does it work under the hood?Dennis Trautwein · code.talks 2022
• 05mlibp2p and the cloudAdrian Lanzafame · Container Camp AU 2019
• 14mThe Eternal Tussle: Exploring the Role of Centralization in IPFSWill Scott, Dennis Trautwein, Yiluo Wei, Yiannis Psaras, Ignacio Castro, Aravindh Raman, Gareth Tyson · 21st USENIX Symposium on Networked Systems Design and Implementation (NSDI '24)
• 12mWhy Do We Need a Decentralized Storage System?Juan Benet · Consensus 2020