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- 1. Michel Moriniaux 15/04/2016 Disaggregating network services Multivendor Datacenters
- 2. 2 | Copyright © 2016 Criteo Who’s that dude? •2 years at Criteo •Network Infrastructure Team Lead
- 3. 3 | Copyright © 2016 Criteo Who’s that dude? •3 Missions: •Network architecture & design •Throwing out entrenched vendors •Automate myself out of a job
- 4. 4 | Copyright © 2016 Criteo Transforming digital advertising into a personal experience. About Criteo
- 5. 5 | Copyright © 2016 Criteo About Criteo
- 6. 6 | Copyright © 2016 Criteo About Criteo Footer: 8 Datacenters 7 PoPs
- 7. 7 | Copyright © 2016 Criteo About Criteo Footer: 20 000 servers
- 8. 8 | Copyright © 2016 Criteo About Criteo Footer: 2 000 Network devices
- 9. 9 | Copyright © 2016 Criteo About Criteo Footer: 10+ Hardware vendors
- 10. 10 | Copyright © 2016 Criteo About Criteo Footer: 2.5 m reqs/s 1.1Bn internet users
- 11. Multivendor in the DC
- 12. 12 | Copyright © 2016 Criteo What usually happens when you have one vendor •Build RFP •Consult •Choose
- 13. 13 | Copyright © 2016 Criteo Choose your dream Hardware Send money to the Vendor Sales moves to the Bahamas What usually happens when you have one vendor Footer:
- 14. 14 | Copyright © 2016 Criteo Meanwhile… - Please upgrade - Known bug, goto 1 - Yeah, that’s a feature
- 15. 15 | Copyright © 2016 Criteo How do you solve this problem •Story time! How we built PA4 •Criteo’s 2nd HPC cluster •40G non-blocking L3 Clos fabric
- 16. 16 | Copyright © 2016 Criteo How do you solve this problem •Design: •Proprietary features do not save lives •Find the smallest set of features possible •IEEE and IETF are your friends
- 17. 17 | Copyright © 2016 Criteo How do you solve this problem •L3 Clos Fabrics •One feature: BGP •All the rest is useless
- 18. 18 | Copyright © 2016 Criteo How do you solve this problem •During the RFP process try to qualify at least 2 vendors •People will say you’re crazy: •Twice the work, twice the problems
- 19. 19 | Copyright © 2016 Criteo How do you solve this problem •No vendor is used to this •Most will work with you •Some will spread rumours of unfairness
- 20. 20 | Copyright © 2016 Criteo How do you solve this problem •Be Transparent •Brief your vendors on the qualification results •Share anonymized scores
- 21. 21 | Copyright © 2016 Criteo How do you solve this problem
- 22. 22 | Copyright © 2016 Criteo How do you solve this problem •Chose the 2 best that fit your requirements •When you have time qualify more •Give the power back to your purchasing department
- 23. 23 | Copyright © 2016 Criteo Automation is key •The only way this can work is through automation •If you use the CLI you will never scale •CLI is the last resort when stuff is broken
- 24. 24 | Copyright © 2016 Criteo Automation is key •Find an abstraction layer that fits you •Ansible var files •Build a DC factory
- 25. 25 | Copyright © 2016 Criteo Automation is key IPAM CMDB Asset Mgmt Cabling. csv dc.yml BOM. csv dcgen.py Vendor Cablers
- 26. 26 | Copyright © 2016 Criteo Automation is key IPAM CMDB Asset Mgmt Variable file Play Ansible
- 27. 27 | Copyright © 2016 Criteo Automation is key Variable file Play Ansible Config file Vendor specific template
- 28. 28 | Copyright © 2016 Criteo Automation is key Variable file Play Ansible Config file Vendor specific template This is the only thing to develop to add a new vendor
- 29. 29 | Copyright © 2016 Criteo Automation is key Play Ansible Config file Netcompare https://github.com/criteo/netcompare
- 30. 30 | Copyright © 2016 Criteo The Future •Disaggregate, Distribute, Decentralize! •LBs, FWs, Switches •One OS – Multiple HW vendors •One template
- 31. 31 | Copyright © 2016 Criteo The Future •Onboard code: •Counter streamers (kill SNMP) •Self healing devices •Kill Centralization (LB/FW) •On demand WAN TE
- 32. 32 | Copyright © 2016 Criteo Join Us! •Criteo is recruiting! •Want to work with us on the future of DC networking? •http://www.criteo.com/careers/ •http://labs.criteo.com •rndrecruitment@criteo.com •Come see us at the break!
Editor's Notes
- Nice marketing claim Talk about responsible advertising: no full screen no pop-ups no invasiveness, be discreet, engage the potential customer without giving him the need to block How do we accomplish that? -> next slide
- There are 2 elements that allow us to do that and those 2 elements are the valuation and assets of Criteo: The engine, predicts and recommends the best personalized adds The second element that participates in the valuation of criteo is its infrastructure -> next slide
- 8 DCs 7 Pops
- 20000 bare metal servers
- 2000 network devices
- 10+ equipment vendors
- 2.5 million requests per second (fronts) 1.1bn internet users