1. Computer Architecture And OpenStack 刘国辉 EasyStack Co-Founder & CTO

2. OpenStack History May 2014 OpenStack Launch! 2011 Kilo 16200 People 138 Country 300+ Company Vancouver 2012 Jul 2010 Austin 25+ partners 2013 Nov 2014

3. Computer Architecture L1 cache is a beer in hand, L3 is fridge, main Memory is walking to the store, disk access is flying to another country for beer.

4. Three phase of Cloud Computing OpenStack Operating System System Architecture

5. OPEN CLOUD COMPUTING X86 Privilege Rings Ring 3 Ring 2 Ring 1 Ring 0 Least-trusted level Most-trusted level

6. OPEN CLOUD COMPUTING X86 Architecture

7. OPEN CLOUD COMPUTING Linux Process memory structure

8. OPEN CLOUD COMPUTING Linux Process memory structure

9. OPEN CLOUD COMPUTING Virt shadow page table

10. OPEN CLOUD COMPUTING Intel EPT

11. OPEN CLOUD COMPUTING Container technology mnt pid net ipc uts user device? not yet cgroup cpuset

12. OPEN CLOUD COMPUTING KVM vs Container -- CPU

13. OPEN CLOUD COMPUTING KVM vs Container -- Memory

14. OPEN CLOUD COMPUTING KVM vs Container -- Network

15. OPEN CLOUD COMPUTING Reference www.openstack.cn