"Real" Serverless P2P
Libp2p jhlee@casto.network
Blockchain ✈️
Make P2P great again!
Peer2Peer
Aㅏ....mazon
그러면 국내는?
SPOF! Earth!
Superstar!
InterPlanetary File System
Inter...what? Planetary???
Zero-Latency Decentralized Broadcasting Web
P2P (O) FileStorage(X)
IPFS - FileStorage = ?
= Libp2p
The Modular peer-to-peer networking stack
Supported platforms
Browser JS
Node.js
Go
Rust
Haskell/JAVA/Python (WIP?)
...But
Libp2p
Transport
Discovery
Crypto/Security
Stream
Multiplex
NAT Traverse
Connection upgrade
MultiAddr.
etc...
Transport
TCP
QUIC
Websocket
WebRTC
UDP/UTP
Discovery
Bootstrap
mDNS
websocket-Star
webRTC-Star
KAD-DHT
Routing
peer routing
content routing
How to transport?
Peer
Peer
Peer
DISCOVER!
Peer
Peer
DISCOVER!
Dial
Peer
Peer
DISCOVER!
Dial
Handle
Peer
Peer
DISCOVER!
Dial
Handle
Connection
Node address
TCP: 218.102.40.127 ???
UDP???
IP6?????
webSocket??????
running out of IPv4 addresses
MultiAddress
Node multiAddr
/ip4/127.0.0.1/udp/9090/quic
/ip6/::1/tcp/3217
/ip4/127.0.0.1/tcp/80/http/baz.jpg
/dns4/foo.com/tcp/80/http/bar/baz.jpg
/dns6/foo.com/tcp/443/https
Multiple
MultiAddr
/ip4/210.43.7.11/udp/9090/quic/peerA
Peer A
Peer B
Peer C
/ip4/176.21.8.43/udp/9090/quic/peerB
/dns4/star-signal.cloud.ipfs.team/wss/p2p-webrtc-star/ipfs/peerB
.....
/ip4/16.240.10.5/tcp/15555/wss/p2p-webrtc-star/ipfs/peerC
libp2p is transport agnostic.
Many popular protocols are available, including TCP, WebRTC, Web Sockets, and UDP
libp2p-webrtc-star
browser
node
browser node
webRTC
Star
1.offer
2.offer
4.answer
3.answer
5.establish dataChannel
browser
node
browser node
webRTC
Star
webRTC
Star
webRTC
Star
browser
node
browser
node
browser
node
browser
node
browser node
webRTC
Star
webRTC
Star
webRTC
Star
browser
node
browser
node
browser
node
FAIL!!
browser
node
browser node
webRTC
Star
webRTC
Star
webRTC
Star
browser
node
browser
node
browser
node
FAIL!!
FAIL!!
browser
node
browser node
webRTC
Star
webRTC
Star
webRTC
Star
browser
node
browser
node
browser
node
FAIL!!
OK!!
peer discovery
FAIL!!
DEMO
Make your own webRTC server
$ npm install -g libp2p-webrtc-star
$ star-signal --port 12345
Listening on: http://0.0.0.0:12345Simple & effective
Libp2p is awesome!
We're hiring!
casto.network
♚♚캐-스토오☆네트워크♚♚지원시$$전원 라이브피투피/블록체인/웹알티씨☜☜3종 100%참여♜FoundationX☆HASHED☆투자문의환영♜높은삶의질￥§§레이드&&위대한개발§§친절한힐탱★★상담오케이@@구인(납치)중◆◆발견시즉시이동
Thank you!
진짜 Serverless P2P Libp2p
By Lee Jaeho
