Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
EZIO, Torrent-based Recovery
Search
Date Huang
May 01, 2017
Programming
0
210
EZIO, Torrent-based Recovery
Date Huang
May 01, 2017
Tweet
Share
More Decks by Date Huang
See All by Date Huang
從大學到出社會,這十年的參與和維護的開源專案
tjjh89017
0
990
開源專案的商業困境
tjjh89017
0
260
Rapidly Deploy NFV with VyOS on Kubernetes
tjjh89017
0
21
設計Kubernetes Controller與CRD的實踐 - 以網路為例
tjjh89017
0
840
維護自己的開源專案EZIO的心路歷程
tjjh89017
1
460
Massive Bare-Metal Operating System Provisioning Improvement - OpenInfra Day Taiwan 2019/11/12
tjjh89017
0
66
Cloud Infrastructure Interconnect with Wireguard and OSPF
tjjh89017
0
440
Build Redundant Gaming Network with Wireguard and BGP
tjjh89017
1
2.2k
CI on OpenStack
tjjh89017
0
280
Other Decks in Programming
See All in Programming
『ドメイン駆動設計をはじめよう』中核の業務領域
masuda220
PRO
5
990
AndroidアプリのUIバリエーションをあの手この手で確認する / Check UI variations of Android apps by various means
tkmnzm
1
140
マルチモジュールにおけるテスト最適化
fxwx23
0
210
From Idea to IDE: Developing Plugins for Android Studio
thisaay
1
170
ECMAScript、Web標準の型はどう管理されているか / How ECMAScript and Web standards types are maintained
petamoriken
3
390
Understand the mechanism! Let's do screenshots tests of Compose Previews with various variations / 仕組みから理解する!Composeプレビューを様々なバリエーションでスクリーンショットテストしよう
sumio
3
620
The Sequel to a Dream of Ruby Parser's Grammar
ydah
1
220
watsonx.ai Dojo #2 生成AIを使ったアプリ開発入門編
oniak3ibm
PRO
0
110
Using Livebook to build and deploy internal tools @ ElixirConf 2024
hugobarauna
0
250
Crafting Cross-Platform Adventures: Building a Game Engine with Kotlin Multiplatform
dwursteisen
0
100
Hono・Prisma・AWSでGeoなAPI開発
nokonoko1203
5
670
GraphQLの魅力を引き出すAndroidクライアント実装
morux2
3
540
Featured
See All Featured
Build your cross-platform service in a week with App Engine
jlugia
228
18k
GitHub's CSS Performance
jonrohan
1029
450k
Teambox: Starting and Learning
jrom
131
8.7k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
29
2.6k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
354
29k
Six Lessons from altMBA
skipperchong
26
3.3k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
1
48
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
190
16k
Design and Strategy: How to Deal with People Who Don’t "Get" Design
morganepeng
123
18k
Bootstrapping a Software Product
garrettdimon
PRO
304
110k
jQuery: Nuts, Bolts and Bling
dougneiner
61
7.4k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
166
48k
Transcript
EZIO BT-based Data Transfer Yu-Chiang Huang
Outline • CloneZilla • EZIO
CloneZilla • 猋犩牏螭ܻ敟誢 • Server Edition • Multicast-based • UDPcast
Multicast • ᗭ砮 • 盄蕦褾牧ℂ㬵䷱睞螂 • 墋ᘒԏ牧觊犲 Broadcast ጱ狶ဩ
UDPcast • Multicast • ݶྍ秚ګ
CloneZilla • 猻玊 • ݢ瓟婘 • ە玊 • 殾ಅ磪ፓ秂伛猋ਠ౮胼樄ত •
殾ݶྍ蒂ቘ牧ݢ胼䨝ݑک絑ह磧眸ጱࢩᔰ段
EZIO • BT-based • 䲆礯羬翄螭ܻ • ᪡螂绚玟璸
BT
BT • BitTorrent • P2P • ֑๐瑊犵毱疝揗斉
BT 礍䯤 • 獮๗ BT • Torrent • Tracker •
盅๗ BT • Magnet • DHT
Tracker • 戢㲘㪔ᔱ玲ٌ犢 Peer ጱ蝫娄虻懱 • Peer 戢㲘 Tracker ᛔ૩ጱ虻懱
Piece • 裾ଶ傶 2^N ጱ蝫媲玟ྦྷ • 疥ಅ磪䲆礯蝫矑牧ྯ 2^N 㴟獤傶Ӟ㮆 Piece
• 虻碘涢挨ጱ磧ੜ㻌֖ • Piece 碍ᰁ蝢ଉ䨝段蝧ଶ • 蝢ଉ Piece 碍ᰁࣁ 1000 ~ 2000 ԏ樌䨝磧֯
Torrent • 蝢圸物圵ৼ • Tracker 虻懱 • 䲆礯虻懱
Torrent Info { 'announce': 'http://tracker.site1.com/announce', 'info': { 'name': 'directoryName', 'piece
length': 262144, 'files': [ {'path': ['111.txt'], 'length': 111}, {'path': ['222.txt'], 'length': 222} ], 'pieces': '6a8af7eda90ba9f851831073c48ea6b7b7e9feeb... 8a43d9d965a47f75488d3fb47d2c586337a20b9f' } }
Tracker { 'announce': 'http://tracker.site1.com/announce', 'info': { 'name': 'directoryName', 'piece length':
262144, 'files': [ {'path': ['111.txt'], 'length': 111}, {'path': ['222.txt'], 'length': 222} ], 'pieces': '6a8af7eda90ba9f851831073c48ea6b7b7e9feeb... 8a43d9d965a47f75488d3fb47d2c586337a20b9f' } }
Files { 'announce': 'http://tracker.site1.com/announce', 'info': { 'name': 'directoryName', 'piece length':
262144, 'files': [ {'path': ['111.txt'], 'length': 111}, {'path': ['222.txt'], 'length': 222} ], 'pieces': '6a8af7eda90ba9f851831073c48ea6b7b7e9feeb... 8a43d9d965a47f75488d3fb47d2c586337a20b9f' } }
Piece Info { 'announce': 'http://tracker.site1.com/announce', 'info': { 'name': 'directoryName', 'piece
length': 262144, 'files': [ {'path': ['111.txt'], 'length': 111}, {'path': ['222.txt'], 'length': 222} ], 'pieces': '6a8af7eda90ba9f851831073c48ea6b7b7e9feeb... 8a43d9d965a47f75488d3fb47d2c586337a20b9f' } }
Filename { 'announce': 'http://tracker.site1.com/announce', 'info': { 'name': 'directoryName', 'piece length':
262144, 'files': [ {'path': ['111.txt'], 'length': 111}, {'path': ['222.txt'], 'length': 222} ], 'pieces': '6a8af7eda90ba9f851831073c48ea6b7b7e9feeb... 8a43d9d965a47f75488d3fb47d2c586337a20b9f' } }
File Hash { 'announce': 'http://tracker.site1.com/announce', 'info': { 'name': 'directoryName', 'piece
length': 262144, 'files': [ {'path': ['111.txt'], 'length': 111}, {'path': ['222.txt'], 'length': 222} ], 'pieces': '6a8af7eda90ba9f851831073c48ea6b7b7e9feeb... 8a43d9d965a47f75488d3fb47d2c586337a20b9f' } }
BT • 猻玊 • 覍ݶྍ蒂ቘ • 虻碘涢挨 • ە玊 •
犋ݢ瓟婘
Implement
Implement • ल䲆礯羬翄蝱 Torrent • ፗ矑䌃蝱Ꮭ繕
Filesystem • Idea • Filesystem = Metadata + Data
Filesystem • Implement • Filesystem = Blocks • inode ∈
Block • data ∈ Block
None
None
Filesystem • Block 傶च器牧Block size ࢴਧ • 磪 Superblock 牧獵ӥ磪ֵአکጱ
Block ᮷ݢ犥Ꭳ • Block offset • Block size
Filename { 'announce': 'http://tracker.site1.com/announce', 'info': { 'name': 'directoryName', 'piece length':
262144, 'files': [ {'path': ['111.txt'], 'length': 111}, {'path': ['222.txt'], 'length': 222} ], 'pieces': '6a8af7eda90ba9f851831073c48ea6b7b7e9feeb... 8a43d9d965a47f75488d3fb47d2c586337a20b9f' } }
Filesystem Block • ल䲆礯羬翄蝱 Torrent • Offset —> Filename •
Length —> File Length
Write Disk Directly • 眤蘛 libtorrent.org • 䋿֢ custom_storage •
ፗ矑 Block 䌃کᏝ繕ྋ嘦ጱ֖ᗝӤ
Benchmark
Benchmark • ፓ獮ጱ䋿涢᮷氥纈䨝穉 Multicast ጱ狶ဩ盠 • To be continue
Optimization
Connection • 蝫娄碍哴ݢ胼牧Ӭ犋胼犵ෝ 2 牧犥ع蝐玕 • 姘瞱犵蝫娄碍牏ṛߝ搡蝫娄
Cache • 盠玲哴ݢ胼य़ • 碉誢蝧ଶ疰犋䨝ݑ褖ෝᏝ繕蝧ଶ • 翕᪠蝧ଶ > Ꮭ繕褰秚ਂ玲蝧ଶ
Origin Server • ܻত秚ጱ蝧ଶ段碉誢蝧ଶ • ܻত秚哴ݢ胼盠
WARNING!
Warning • ݢ胼蝧ଶ盠ک䨝虏֦ጱ Switch 稴吚 • ইຎ Switch 胙礂毱疝磪猂碘 •
森 P2P ጱ翕᪠ݢ胼䨝犋胼ֵአ
How to
How to • Standalone EZIO • EZIO integrated CloneZilla