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TechCCU Workshop OpenFlow Introduction
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TechCCU Workshop OpenFlow Introduction
1.
OpenFlow Introduction icemango
2.
about me • 中正⼤大學畢業⽣生 •
但是念了___年 • 曾經在 CNA 打雜 • ⺫⽬目前任職於衛信科技
3.
我來幹嘛 • 吃宵夜 • 領便當 •
講⼀一場 talk
4.
Software-defined Network • 你可能聽過 •
你可能看過 • 你可能⽤用過
5.
OpenFlow • Control Layer •
控制 Infrastructure Infrastructure Layer Control Layer Application Layer
6.
7.
流 Flow • ⼀一個封包的轉移 ! •
如何描述⼀一個從 A 到 B 的連線 ! • 如何處理⼀一個從 A 到 B 的轉移
8.
Match Field • 號稱⾼高達
39 種 • Ethernet src/dst MAC, VLAN tag, MPLS tag … • IP proto, src/dst address … • tcp/udp src/dst port …
9.
Action • forward • modify •
drop
10.
OpenFlow 可以做什麼 • L2/L3
routing/forwarding • load balance • dynamic network management • bandwidth-aware routing • service chain
11.
SW SW SW SW Controller H1 H2 internet
12.
OpenFlow Controller • Ryu •
Floodlight • OpenDayLight • NOX • POX • …
13.
Ryu • python-base • open
source
14.
Floodlight • Java-base • open
source
15.
OpenDayLight • Linux Foundation •
Java-base • open source
16.
OpenFlow 缺點 • OpenFlow
Switch • Controller Application • Management Network
17.
18.
Action point! 聽說 Workshop
都要給⼀一點
19.
Try it • 安裝
ryu • 安裝 mininet • 跑起⼀一個 mininet 環境 • 在 ryu 上跑⼀一個 simple_switch app
20.
不願具名的光頭⼈人⼠士 「⼀一個 talk 最失敗的地⽅方,莫過於明明開放 Q&A
卻被台下的⼈人問倒。」
21.
所以有⼈人要 Q&A 嗎
22.
好像還有⼀一點時間
23.
不願⾯面對的過去 • 線性代數__修 • 微積分__修 •
離散數學__修 • 沒有研究所 • 跑去淡江上課
24.
Work Log • NPU
Programming • NetFlow probe • Unfriendly User Command-line Interface • OpenFlow Controller
25.
踏⼊入叢林 • programming skill •
基本功 • self policy • COMMUNICATE SKILL • keep learning
26.
27.
Thanks! Facebook: http://www.facebook.com/icemango.hou twitter: @icemango plurk:
icemango
28.
–中正校友 「我不知道還有什麼事情能夠⽐比講 talk ⽤用不完時 間還要尷尬。」
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