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ipfs.io @IPFSbot Juan Benet @juanbenet 2015-04-25 The Permanent Web

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1. Why - The Problems! 2. How - The Overview 3. What - The Demo

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Location Addressing

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http://10.20.30.40/foo/bar/baz.png location path http://example.com/foo/bar/baz.png

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http://10.20.30.40/foo/bar/baz.png you

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http://10.20.30.40/foo/bar/baz.png 10.20.30.40 you

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http://10.20.30.40/foo/bar/baz.png 10.20.30.40 you

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Bandwidth Latency Offline Security Permanence Multiple Devices Data Sovereignty … PROBLEMS

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Bandwidth & Latency

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https://www.flickr.com/photos/powerchu/1695143481/

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1MB

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1MB x 8 = 8 MB

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30

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30 x 1MB x 8 = 240 MB

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https://

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200 MB

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200 MB x 30 x 8 = 48 GB

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Online vs Offline

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surprise oppression

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Permanence

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1. IPFS?

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1. Why - The Problems! 2. How - The Overview 3. What - The Demo

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1. Motivation

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Content Addressing 1. Motivation

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http://10.20.30.40/foo/bar/baz.png location path http://example.com/foo/bar/baz.png 1. Motivation

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http:// location path http:// 1. Motivation /ipns/example.com/foo/bar/baz.png /ipfs/QmW98pJrc6FZ6/foo/bar/baz.png content path

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http://10.20.30.40/foo/bar/baz.png you 1. Motivation /ipfs/QmW98pJrc6FZ6/foo/bar/baz.png

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http://10.20.30.40/foo/bar/baz.png 10.20.30.40 you 1. Motivation /ipfs/QmW98pJrc6FZ6/foo/bar/baz.png HTTP

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http://10.20.30.40/foo/bar/baz.png 10.20.30.40 you 1. Motivation /ipfs/QmW98pJrc6FZ6/foo/bar/baz.png IPFS

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1. Motivation p2p distribution /ipfs/

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1. Motivation p2p distribution /ipfs/

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a new hypermedia distribution protocol The Permanent Web 2. Overview

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web 2. Overview

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SFS web DHT + 2. Overview

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SFS web DHT 2. Overview routing network exchange merkledag naming applications

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merkledag 2. Overview the model IPFS nodes

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merkledag 2. Overview the model IPFS nodes (content) (programs)

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in IPFS data forms a dag 2. Overview

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can resolve unix-style paths across dag links 2. Overview QmbTJW4iGGBS 3987 foo QmbTQmPMEFgh 1020 bar QmZFJguywFUY 6787 baz QmbTQmPMEFgh 1020 biff this node has some data… this node also has some data. but no links! 1 3 5 2 4 suppose links:

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can resolve unix-style paths across dag links 2. Overview QmbTJW4iGGBS 3987 foo QmbTQmPMEFgh 1020 bar QmZFJguywFUY 6787 baz QmbTQmPMEFgh 1020 biff this node has some data… this node also has some data. but no links! suppose H(<1>) = QmW98pJrc6FZ We can resolve: /ipfs/QmW98pJrc6FZ as 1 /ipfs/QmW98pJrc6FZ/foo as 2 /ipfs/QmW98pJrc6FZ/bar as 3 /ipfs/QmW98pJrc6FZ/foo/biff as 3 /ipfs/QmW98pJrc6FZ/baz as 4 1 3 5 1 2 2 3 4 4 3 suppose links: 1

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can resolve unix-style paths across dag links 2. Overview QmbTJW4iGGBS 3987 foo QmbTQmPMEFgh 1020 bar QmZFJguywFUY 6787 baz QmbTQmPMEFgh 1020 biff this node has some data… this node also has some data. but no links! suppose H(<1>) = QmW98pJrc6FZ We can resolve: /ipfs/QmW98pJrc6FZ as 1 /ipfs/QmW98pJrc6FZ/foo as 2 /ipfs/QmW98pJrc6FZ/bar as 3 /ipfs/QmW98pJrc6FZ/foo/biff as 3 /ipfs/QmW98pJrc6FZ/baz as 4 1 3 5 1 2 2 3 4 4 3 suppose links: 1

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can resolve unix-style paths across dag links 2. Overview QmbTJW4iGGBS 3987 foo QmbTQmPMEFgh 1020 bar QmZFJguywFUY 6787 baz QmbTQmPMEFgh 1020 biff this node has some data… this node also has some data. but no links! suppose H(<1>) = QmW98pJrc6FZ We can resolve: /ipfs/QmW98pJrc6FZ as 1 /ipfs/QmW98pJrc6FZ/foo as 2 /ipfs/QmW98pJrc6FZ/bar as 3 /ipfs/QmW98pJrc6FZ/foo/biff as 3 /ipfs/QmW98pJrc6FZ/baz as 4 1 3 5 1 2 2 3 4 4 3 suppose links: 1

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can resolve unix-style paths across dag links 2. Overview QmbTJW4iGGBS 3987 foo QmbTQmPMEFgh 1020 bar QmZFJguywFUY 6787 baz QmbTQmPMEFgh 1020 biff this node has some data… this node also has some data. but no links! suppose H(<1>) = QmW98pJrc6FZ We can resolve: /ipfs/QmW98pJrc6FZ as 1 /ipfs/QmW98pJrc6FZ/foo as 2 /ipfs/QmW98pJrc6FZ/bar as 3 /ipfs/QmW98pJrc6FZ/foo/biff as 3 /ipfs/QmW98pJrc6FZ/baz as 4 1 3 5 1 2 2 3 4 4 3 suppose links: 1

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can resolve unix-style paths across dag links 2. Overview QmbTJW4iGGBS 3987 foo QmbTQmPMEFgh 1020 bar QmZFJguywFUY 6787 baz QmbTQmPMEFgh 1020 biff this node has some data… this node also has some data. but no links! suppose H(<1>) = QmW98pJrc6FZ We can resolve: /ipfs/QmW98pJrc6FZ as 1 /ipfs/QmW98pJrc6FZ/foo as 2 /ipfs/QmW98pJrc6FZ/bar as 3 /ipfs/QmW98pJrc6FZ/foo/biff as 3 /ipfs/QmW98pJrc6FZ/baz as 4 1 3 5 1 2 2 3 4 4 3 suppose links: 1

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can resolve unix-style paths across dag links 2. Overview QmbTJW4iGGBS 3987 foo QmbTQmPMEFgh 1020 bar QmZFJguywFUY 6787 baz QmbTQmPMEFgh 1020 biff this node has some data… this node also has some data. but no links! suppose H(<1>) = QmW98pJrc6FZ We can resolve: /ipfs/QmW98pJrc6FZ as 1 /ipfs/QmW98pJrc6FZ/foo as 2 /ipfs/QmW98pJrc6FZ/bar as 3 /ipfs/QmW98pJrc6FZ/foo/biff as 3 /ipfs/QmW98pJrc6FZ/baz as 4 1 3 5 1 2 2 3 4 4 3 suppose links: 1

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any data structures are represented as dags 2. Overview

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2. Overview unix files and dirs any data structures are represented as dags

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blob, tree, commit unix files and dirs any data structures are represented as dags 2. Overview

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blob, tree, commit unix files and dirs any data structures are represented as dags blocks, txns, wallets 2. Overview

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blob, tree, commit unix files and dirs any data structures are represented as dags blocks, txns, wallets kv-stores 2. Overview

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blob, tree, commit unix files and dirs any data structures are represented as dags blocks, txns, wallets kv-stores 2. Overview

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unixfs as a dag 2. Overview

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files are dag nodes unixfs as a dag 2. Overview

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files are dag nodes BIG files may be split into many unixfs as a dag 2. Overview

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directories are also dag nodes files are dag nodes BIG files may be split into many unixfs as a dag 2. Overview

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which link to others directories are also dag nodes files are dag nodes BIG files may be split into many unixfs as a dag 2. Overview

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ipfs paths /ipfs//

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ipfs paths /ipfs// /ipfs/XLYkgq61DYaQ8Nhk/foo/bar.txt

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ipfs paths /ipfs// /ipfs/XLYkgq61DYaQ8Nhk/foo/bar.txt XLYkgq61DYaQ8Nhk

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ipfs paths /ipfs// /ipfs/XLYkgq61DYaQ8Nhk/foo/bar.txt foo aCpDMGv XLYkgq61DYaQ8Nhk data1

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ipfs paths /ipfs// /ipfs/XLYkgq61DYaQ8Nhk/foo/bar.txt foo aCpDMGv XLYkgq61DYaQ8Nhk data1

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ipfs paths /ipfs// /ipfs/XLYkgq61DYaQ8Nhk/foo/bar.txt foo aCpDMGv XLYkgq61DYaQ8Nhk data1 aCpDMGvV2BGHeYER

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ipfs paths /ipfs// /ipfs/XLYkgq61DYaQ8Nhk/foo/bar.txt foo aCpDMGv XLYkgq61DYaQ8Nhk data1 bar.txt UEnRQAw aCpDMGvV2BGHeYER data2

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ipfs paths /ipfs// /ipfs/XLYkgq61DYaQ8Nhk/foo/bar.txt foo aCpDMGv XLYkgq61DYaQ8Nhk data1 bar.txt UEnRQAw aCpDMGvV2BGHeYER data2 UEnRQAwe3N8SzbUt data3

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ipfs paths: blockchain /ipfs/XLYkgq61DYaQ8Nhk/parent/tx/15

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ipfs paths: blockchain /ipfs/XLYkgq61DYaQ8Nhk/parent/tx/15 parent XLYkgq61DYaQ8Nhk data1

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ipfs paths: blockchain /ipfs/XLYkgq61DYaQ8Nhk/parent/tx/15 parent XLYkgq61DYaQ8Nhk data1

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ipfs paths: blockchain /ipfs/XLYkgq61DYaQ8Nhk/parent/tx/15 parent XLYkgq61DYaQ8Nhk data1 tx data2 parent

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ipfs paths: blockchain /ipfs/XLYkgq61DYaQ8Nhk/parent/tx/15 parent XLYkgq61DYaQ8Nhk data1 tx data2 parent

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ipfs paths: blockchain /ipfs/XLYkgq61DYaQ8Nhk/parent/tx/15 parent XLYkgq61DYaQ8Nhk data1 tx data2 data3 15 parent 14

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ipfs paths: blockchain /ipfs/XLYkgq61DYaQ8Nhk/parent/tx/15 parent XLYkgq61DYaQ8Nhk data1 tx data2 data3 15 parent 14

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ipfs paths: blockchain /ipfs/XLYkgq61DYaQ8Nhk/parent/tx/15 parent XLYkgq61DYaQ8Nhk data1 tx data2 data3 15 data4 input0 parent 14 output0

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in IPFS data forms a dag it’s called the merkle dag because the links are hashes 2. Overview

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in IPFS data forms a dag it’s called the merkle dag because the links are hashes 2. Overview

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content addressing merkle dag linking routing pki namespace concepts

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merkle tree

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git objects

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blockchain

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merkle dags

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in IPFS data forms a dag nodes have links and data [ (hash, size, name), … ] QmbTJW4iGGBS 3987 foo QmbTQmPMEFgh 1020 bar QmZFJguywFUY 6787 baz anything you want []byte links data 2. Overview

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an IPFS node 2. Overview

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has pki based identity an IPFS node 2. Overview

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has pki based identity connects to others an IPFS node 2. Overview

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can store part of the dag has pki based identity connects to others an IPFS node 2. Overview

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has pki based identity connects to others can get more from peers an IPFS node can store part of the dag 2. Overview

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has pki based identity connects to others can be run as a server can get more from peers an IPFS node can store part of the dag 2. Overview

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has pki based identity connects to others can be run as a server or embedded in apps app
 
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2. Overview IPFS nodes form p2p networks transport agnostic and with NAT traversal

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2. Overview IPFS nodes form p2p networks transport agnostic and with NAT traversal

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they find each other and content with routing systems, like DHTs 2. Overview

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and exchange dag nodes like files in http or bittorrent 2. Overview

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and exchange dag nodes like files in http or bittorrent 2. Overview

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and exchange dag nodes like files in http or bittorrent 2. Overview

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1. Why - The Problems! 2. How - The Overview 3. What - The Demo - install - run a node - stream media - publish website - boot a vm

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3 ways to install IPFS 1. npm install -g go-ipfs 2. go get github.com/ipfs/go-ipfs/cmd/ipfs 3. install packages on the website

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ipfs.io

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ipfs.io

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in go-ipfs:

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in go-ipfs: ipfs node

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in go-ipfs: ipfs node cli

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in go-ipfs: ipfs node cli library

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in go-ipfs: ipfs node cli library http api

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in go-ipfs: ipfs node cli library http api http/ipfs gateway

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in go-ipfs: ipfs node cli library http api http/ipfs gateway webui

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in go-ipfs: ipfs node cli library http api http/ipfs gateway webui DEMO

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a new hypermedia distribution protocol The Permanent Web

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#ipfs on