Node.js Interactive
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The document discusses module management and the InterPlanetary File System (IPFS). It covers topics like how modules are currently managed through tools like npm, and some of the limitations of existing systems. It then introduces IPFS as a new protocol that could be used to upgrade the web by allowing modules and other content to be permanently stored, distributed and accessed in a decentralized manner. Key components of IPFS discussed include its use of content addressing, distributed hash tables, the merkle dag data structure, IPNS for mutable naming, and how these pieces could provide benefits like discovery, integrity, transport and updating of modules in a more robust way compared to existing systems.
Node.js Interactive
- 1. Stellar Module Management David Dias, Protocol Labs
- 5. • Module Management • npm • The Web • IPFS, the InterPlanetary Filesystem
- 6. • Module Management • npm • The Web • IPFS, the InterPlanetary Filesystem • 🌠
- 9. • What interfaces are available • Language biased • Reusable code, library or project all together Scope
- 10. • Share it • Make a webpage for the project • Register it in a public listing Discover a module
- 11. • Use a tool • Download from a webpage • Sneaker net • Email Transport
- 12. • How to deal with constant new • Notify users • Avoid breaking compatibility • Cope with demand • Security patches Update
- 13. • How to store these modules • Storage space and bandwidth concerns Structure
- 14. • Check what I’m running Integrity
- 15. • Who owns it • Who is allowed to change it • Where can it run • Where can it be accessible Ownership
- 16. • Scope • Discovery • Transport • Update • Activity • Structure • Integrity • Ownership
- 19. • Storage is cheap • Bandwidth is virtually “free”
- 27. http://10.20.30.40/foo/bar/baz.png location path http://example.com/foo/bar/baz.png
- 37. a protocol to upgrade the web
- 39. SFS web DHT+
- 41. routing network exchange merkledag naming applicationsThe Stack Defining the Data Moving the Data Using the Data IPLD - IP Linked Data libp2p IPNS - IP Naming System
- 43. { name: ‘martian’ … } { user: ??? } hash( ) -> KQsXSobGtbNhF
- 44. { name: ‘martian’ age: 9001 … } { user: KQsXSobGtbNhF … } hash( ) -> KQsXSobGtbNhF MERKLE LINK
- 51. cvs/svn
- 52. cvs/svn
- 53. cvs/svn
- 59. MerkleDAG in IPFS data forms a dag it’s called the merkle dag because the links are hashes
- 60. blob, tree, commit unix files and dirs any data structures are represented as dags blocks, txns, wallets kv-stores
- 61. http://10.20.30.40/foo/bar/baz.png location path http://example.com/foo/bar/baz.png
- 65. /ipns/example.com/foo/bar/baz.png /ipfs/QmW98pJrc6FZ6/foo/bar/baz.png content path MUTABILITY IPNS - InterPlanetary Naming System
- 66. /ipns/QmYJPtosPTfoC/foo/bar/baz.png /ipfs/QmW98pJrc6FZ6/foo/bar/baz.png content path /ipns/example.com/foo/bar/baz.png IPNS - InterPlanetary Naming System MUTABILITY
- 72. DHT - Distributed Hash Table
- 73. DHT are the Holy Grail of P2P Networks
- 74. 1 5 6 10 50 55
- 75. 1 10 12 20 30 50 54 58 70 88 81 83 88 90 92 95 97 99 101105 300411 500
- 76. 1 10 12 20 30 50 54 58 70 88 81 83 88 90 92 95 97 99 101105 300411 500
- 77. 1 10 12 20 30 50 54 58 70 88 81 83 88 90 92 95 97 99 101105 300411 500 hash( ) = 91
- 78. 1 10 12 20 30 50 54 58 70 88 81 83 88 90 92 95 97 99 101105 300411 500 hash( ) = 91
- 79. 1 10 12 20 30 50 54 58 70 88 81 83 88 90 92 95 97 99 101105 300411 500 Who has fim , which hash( ) = 91?
- 80. What you get ✓ Discovery (through IPNS) ✓ Integrity (through cryptographic hashing) ✓ Activity (the more downloads, the merrier) ✓ Structure (download things at most once) ✓ Transport (stream from every peer that has the module) ✓ Update (just sync the parts that are changed) ✓ Ownership (private clusters, IPNS records signed,
- 82. registry-mirror npm i <insert-module-name> –-registry=<IPFS bridge>
- 85. LXJS 2013 - http://yearbook.lxjs.org
- 87. Thank you! David Dias - http://daviddias.me IPFS http://ipfs.io Protocol Labs http://ipn.io