IPFS - Hands On Intro

Intro slides for a "Hands On Introduction to IPFS". These slides do not include the demo part-- which is the bulk of that talk.

Transcript

1. ipfs.io @IPFSbot Juan Benet @juanbenet 2015-04-25 The Permanent Web
4. 1. Why - The Problems! 2. How - The Overview 3. What - The Demo
9. Location Addressing
10. http://10.20.30.40/foo/bar/baz.png location path http://example.com/foo/bar/baz.png
11. http://10.20.30.40/foo/bar/baz.png you
12. http://10.20.30.40/foo/bar/baz.png 10.20.30.40 you
13. http://10.20.30.40/foo/bar/baz.png 10.20.30.40 you
14. Bandwidth Latency Offline Security Permanence Multiple Devices Data Sovereignty … PROBLEMS
15. Bandwidth & Latency
16. https://www.flickr.com/photos/powerchu/1695143481/
20. 1MB
21. 1MB x 8 = 8 MB
24. 30 x 1MB x 8 = 240 MB
25. https://
26. 200 MB
27. 200 MB x 30 x 8 = 48 GB
28. Online vs Offline
35. surprise oppression
36. Permanence
38. 1. IPFS?
51. 1. Why - The Problems! 2. How - The Overview 3. What - The Demo
52. 1. Motivation
53. Content Addressing 1. Motivation
54. http://10.20.30.40/foo/bar/baz.png location path http://example.com/foo/bar/baz.png 1. Motivation
55. http:// location path http:// 1. Motivation /ipns/example.com/foo/bar/baz.png /ipfs/QmW98pJrc6FZ6/foo/bar/baz.png content path
56. http://10.20.30.40/foo/bar/baz.png you 1. Motivation /ipfs/QmW98pJrc6FZ6/foo/bar/baz.png
57. http://10.20.30.40/foo/bar/baz.png 10.20.30.40 you 1. Motivation /ipfs/QmW98pJrc6FZ6/foo/bar/baz.png HTTP
58. http://10.20.30.40/foo/bar/baz.png 10.20.30.40 you 1. Motivation /ipfs/QmW98pJrc6FZ6/foo/bar/baz.png IPFS
59. 1. Motivation p2p distribution /ipfs/
60. 1. Motivation p2p distribution /ipfs/
61. a new hypermedia distribution protocol The Permanent Web 2. Overview
62. web 2. Overview
63. SFS web DHT + 2. Overview
64. SFS web DHT 2. Overview routing network exchange merkledag naming applications
65. merkledag 2. Overview the model IPFS nodes
66. merkledag 2. Overview the model IPFS nodes (content) (programs)
67. in IPFS data forms a dag 2. Overview
68. 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:
69. 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
70. 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
71. 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
72. 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
73. 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
74. 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
75. any data structures are represented as dags 2. Overview
76. 2. Overview unix files and dirs any data structures are represented as dags
77. blob, tree, commit unix files and dirs any data structures are represented as dags 2. Overview
78. blob, tree, commit unix files and dirs any data structures are represented as dags blocks, txns, wallets 2. Overview
79. blob, tree, commit unix files and dirs any data structures are represented as dags blocks, txns, wallets kv-stores 2. Overview
80. blob, tree, commit unix files and dirs any data structures are represented as dags blocks, txns, wallets kv-stores 2. Overview
81. unixfs as a dag 2. Overview
82. files are dag nodes unixfs as a dag 2. Overview
83. files are dag nodes BIG files may be split into many unixfs as a dag 2. Overview
84. directories are also dag nodes files are dag nodes BIG files may be split into many unixfs as a dag 2. Overview
85. 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
86. ipfs paths /ipfs/<hash-of-object>/<name-path-to-object>
87. ipfs paths /ipfs/<hash-of-object>/<name-path-to-object> /ipfs/XLYkgq61DYaQ8Nhk/foo/bar.txt
88. ipfs paths /ipfs/<hash-of-object>/<name-path-to-object> /ipfs/XLYkgq61DYaQ8Nhk/foo/bar.txt XLYkgq61DYaQ8Nhk
89. ipfs paths /ipfs/<hash-of-object>/<name-path-to-object> /ipfs/XLYkgq61DYaQ8Nhk/foo/bar.txt foo aCpDMGv XLYkgq61DYaQ8Nhk data1
90. ipfs paths /ipfs/<hash-of-object>/<name-path-to-object> /ipfs/XLYkgq61DYaQ8Nhk/foo/bar.txt foo aCpDMGv XLYkgq61DYaQ8Nhk data1
91. ipfs paths /ipfs/<hash-of-object>/<name-path-to-object> /ipfs/XLYkgq61DYaQ8Nhk/foo/bar.txt foo aCpDMGv XLYkgq61DYaQ8Nhk data1 aCpDMGvV2BGHeYER
92. ipfs paths /ipfs/<hash-of-object>/<name-path-to-object> /ipfs/XLYkgq61DYaQ8Nhk/foo/bar.txt foo aCpDMGv XLYkgq61DYaQ8Nhk data1 bar.txt UEnRQAw aCpDMGvV2BGHeYER data2
93. ipfs paths /ipfs/<hash-of-object>/<name-path-to-object> /ipfs/XLYkgq61DYaQ8Nhk/foo/bar.txt foo aCpDMGv XLYkgq61DYaQ8Nhk data1 bar.txt UEnRQAw aCpDMGvV2BGHeYER data2 UEnRQAwe3N8SzbUt data3
94. ipfs paths: blockchain /ipfs/XLYkgq61DYaQ8Nhk/parent/tx/15
95. ipfs paths: blockchain /ipfs/XLYkgq61DYaQ8Nhk/parent/tx/15 parent <hash1> XLYkgq61DYaQ8Nhk data1
96. ipfs paths: blockchain /ipfs/XLYkgq61DYaQ8Nhk/parent/tx/15 parent <hash1> XLYkgq61DYaQ8Nhk data1 <hash1>
97. ipfs paths: blockchain /ipfs/XLYkgq61DYaQ8Nhk/parent/tx/15 parent <hash1> XLYkgq61DYaQ8Nhk data1 tx <hash3> <hash1> data2 parent <hash2>
98. ipfs paths: blockchain /ipfs/XLYkgq61DYaQ8Nhk/parent/tx/15 parent <hash1> XLYkgq61DYaQ8Nhk data1 tx <hash3> <hash1> data2 <hash3> parent <hash2>
99. ipfs paths: blockchain /ipfs/XLYkgq61DYaQ8Nhk/parent/tx/15 parent <hash1> XLYkgq61DYaQ8Nhk data1 tx <hash3> <hash1> data2 <hash3> data3 15 <hash5> parent <hash2> 14 <hash4>
100. ipfs paths: blockchain /ipfs/XLYkgq61DYaQ8Nhk/parent/tx/15 parent <hash1> XLYkgq61DYaQ8Nhk data1 tx <hash3> <hash1> data2 <hash3> data3 15 <hash5> <hash5> parent <hash2> 14 <hash4>
101. ipfs paths: blockchain /ipfs/XLYkgq61DYaQ8Nhk/parent/tx/15 parent <hash1> XLYkgq61DYaQ8Nhk data1 tx <hash3> <hash1> data2 <hash3> data3 15 <hash5> <hash5> data4 input0 <hash6> parent <hash2> 14 <hash4> output0 <hash7>
102. in IPFS data forms a dag it’s called the merkle dag because the links are hashes 2. Overview
103. in IPFS data forms a dag it’s called the merkle dag because the links are hashes 2. Overview
104. content addressing merkle dag linking routing pki namespace concepts
105. merkle tree
106. git objects
107. blockchain
108. merkle dags
109. 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
110. an IPFS node 2. Overview
111. has pki based identity an IPFS node 2. Overview
112. has pki based identity connects to others an IPFS node 2. Overview
113. can store part of the dag has pki based identity connects to others an IPFS node 2. Overview
114. has pki based identity connects to others can get more from peers an IPFS node can store part of the dag 2. Overview
115. 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
116. has pki based identity connects to others can be run as a server or embedded in apps app
 
 can get more from peers an IPFS node can store part of the dag 2. Overview
117. 2. Overview IPFS nodes form p2p networks transport agnostic and with NAT traversal
118. 2. Overview IPFS nodes form p2p networks transport agnostic and with NAT traversal
119. they find each other and content with routing systems, like DHTs 2. Overview
120. and exchange dag nodes like files in http or bittorrent 2. Overview
121. and exchange dag nodes like files in http or bittorrent 2. Overview
122. and exchange dag nodes like files in http or bittorrent 2. Overview
123. 1. Why - The Problems! 2. How - The Overview 3. What - The Demo - install - run a node - stream media - publish website - boot a vm
124. 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
125. ipfs.io
126. ipfs.io
127. in go-ipfs:
128. in go-ipfs: ipfs node
129. in go-ipfs: ipfs node cli
130. in go-ipfs: ipfs node cli library
131. in go-ipfs: ipfs node cli library http api
132. in go-ipfs: ipfs node cli library http api http/ipfs gateway
133. in go-ipfs: ipfs node cli library http api http/ipfs gateway webui
134. in go-ipfs: ipfs node cli library http api http/ipfs gateway webui DEMO
136. a new hypermedia distribution protocol The Permanent Web
137. #ipfs on