From Zero to Capacity Planning
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Building and Scaling the Fastly Network - João Taveira at Fastly Altitude 2015
- 1. Building and Scaling the Fastly Network joão taveira araújo (@jta) - Fastly
- 2. networking at fastly | joão taveira araújo networking introduction
- 3. networking at fastly | joão taveira araújo introduction
- 4. networking at fastly | joão taveira araújo every CDN does networking introduction
- 5. networking at fastly | joão taveira araújo we do something else introduction
- 6. what we do
- 7. networking at fastly | joão taveira araújo networking has no products what we do
- 8. networking at fastly | joão taveira araújo geographic reach? what we do
- 9. networking at fastly | joão taveira araújo what we do
- 10. networking at fastly | joão taveira araújo RTT POPs where most of you stopped caringorigin hitratio what we do
- 11. networking at fastly | joão taveira araújo bandwidth? what we do
- 12. networking at fastly | joão taveira araújo today Time Bandwidth where most of you stopped caring what we do
- 13. networking at fastly | joão taveira araújo bandwidth is market signalling what we do
- 14. networking at fastly | joão taveira araújo IPv6? what we do
- 15. networking at fastly | joão taveira araújo what we do
- 16. networking at fastly | joão taveira araújo the network is the computer John Gage Sun Microsystems what we do
- 17. networking at fastly | joão taveira araújo networking has limited marginal utility what we do
- 18. networking at fastly | joão taveira araújo the network is infrastructure what we do
- 19. networking at fastly | joão taveira araújo what we do
- 20. networking at fastly | joão taveira araújo the network is the application what we do
- 21. how we do it
- 22. networking at fastly | joão taveira araújo load balancing routing mitigation how we do it
- 23. $$$
- 24. not true
- 25. $$$
- 26. networking at fastly | joão taveira araújo load balancing mitigation routing how we do it
- 27. networking at fastly | joão taveira araújo load balancing mitigation routing how we do it
- 28. networking at fastly | joão taveira araújo the internet load balancing
- 29. networking at fastly | joão taveira araújo A B C D router load balancing
- 30. networking at fastly | joão taveira araújo A B C D router A 25% 25% 25% 25% B D C DNS load balancing
- 31. networking at fastly | joão taveira araújo A B C D router A 33% 33% 33% 0% B D C DNS load balancing
- 32. networking at fastly | joão taveira araújo A B C D load balancer State Cost Existingdemand Projecteddemand State Cost Existingdemand State Cost load balancing
- 33. networking at fastly | joão taveira araújo A B C D ECMP A B C D ECMP Destination network Next hop 10.0.0.0/24 A 10.0.0.0/24 B 10.0.0.0/24 C 10.0.0.0/24 D Destination network Next hop 10.0.0.0/24 B 10.0.0.0/24 C 10.0.0.0/24 D load balancing
- 34. networking at fastly | joão taveira araújo faild load balancing
- 35. networking at fastly | joão taveira araújo Destination network Next hop 10.0.0.0/24 10.1.A.1 10.0.0.0/24 10.1.A.2 10.0.0.0/24 10.1.A.3 … … A B C D faild IP Address MAC 10.1.A.1 A:A 10.1.A.2 A:A 10.1.A.3 A:A … load balancing
- 36. networking at fastly | joão taveira araújo drain a host load balancing
- 37. networking at fastly | joão taveira araújo Destination network Next hop 10.0.0.0/24 10.1.A.1 10.0.0.0/24 10.1.A.2 10.0.0.0/24 10.1.A.3 … … A B C D faild IP Address MAC 10.1.A.1 A:A 10.1.A.2 A:A 10.1.A.3 A:A … IP Address MAC 10.1.A.1 B:A 10.1.A.2 C:A 10.1.A.3 D:A … IP Address MAC 10.1.A.1 B:B 10.1.A.2 C:C 10.1.A.3 D:D … load balancing
- 38. networking at fastly | joão taveira araújo Time Activeflows Time Activeflows ecmp load balancing TimeActiveflows
- 39. networking at fastly | joão taveira araújo Time ActiveflowsState Time load balancer load balancing Time ActiveflowsState
- 40. networking at fastly | joão taveira araújo State Time Time ActiveflowsActiveflowsState Time faild load balancing Time ActiveflowsState
- 41. networking at fastly | joão taveira araújo $200,000 F5 BIG-IP 10350v load balancing
- 42. networking at fastly | joão taveira araújo load balancing mitigation routing how we do it
- 43. networking at fastly | joão taveira araújo load balancing mitigation routing how we do it
- 44. networking at fastly | joão taveira araújo How to build a PoP ‣ buy a router ‣ get BGP table from each provider ‣ install routes to FIB ‣ servers use default gateway router vendor BGP FIB A B C D routing
- 45. networking at fastly | joão taveira araújo ~$500,000 Juniper MX960 Router routing
- 46. networking at fastly | joão taveira araújo How to build a Fastly PoP ‣ buy switches ‣ reflect BGP down to servers ‣ inject multipath routes into FIB server FIB BGP daemon switch userspace BGP FIB routing
- 47. networking at fastly | joão taveira araújo distributedsystem server FIB BGP daemon switch userspace BGP FIB How packets egress Fastly ‣ switches emit nexthop IP and MAC ‣ servers configure p2p link / ARP ‣ send directly to provider nexthop! routing
- 48. networking at fastly | joão taveira araújo $29,995 Arista DCS-7150S switch family routing
- 49. networking at fastly | joão taveira araújo routing
- 50. networking at fastly | joão taveira araújo routing
- 51. networking at fastly | joão taveira araújo shortest path is not always best 📱 every flow is one syscall away from path change routing
- 52. networking at fastly | joão taveira araújo load balancing mitigation routing how we do it
- 53. networking at fastly | joão taveira araújo load balancing mitigation routing how we do it
- 54. networking at fastly | joão taveira araújo no BGP communities? mitigation
- 55. networking at fastly | joão taveira araújo don’t have large offpeak sinks? mitigation
- 56. networking at fastly | joão taveira araújo the Internet lots of POPs lots of routes mitigation
- 57. networking at fastly | joão taveira araújo can’t do arbitrary route injection? mitigation
- 58. networking at fastly | joão taveira araújo can’t do remote triggered blackholes? mitigation
- 59. networking at fastly | joão taveira araújo can’t do policy updates? mitigation
- 60. networking at fastly | joão taveira araújo not global? mitigation
- 61. networking at fastly | joão taveira araújo not consistent? mitigation
- 62. networking at fastly | joão taveira araújo not synchronous? mitigation
- 63. networking at fastly | joão taveira araújo not instant? mitigation
- 64. networking at fastly | joão taveira araújoCustomer summit 2015 © 2015 All rights Reserved
- 65. networking at fastly | joão taveira araújo the Internet lots of POPs one centralized policy lots of routes mitigation
- 66. networking at fastly | joão taveira araújo mitigation
- 67. networking at fastly | joão taveira araújo mitigation
- 68. networking at fastly | joão taveira araújo mitigation
- 69. networking at fastly | joão taveira araújo mitigation
- 70. networking at fastly | joão taveira araújo mitigation
- 71. why it matters
- 72. networking at fastly | joão taveira araújo resource pooling1 |rɪˈsɔːs puːlːɪŋ| make a collection of resources behave like a single pooled resource load balancing: a pool of servers. routing: a pool of providers. mitigation: a pool of pops. why it matters
- 73. networking at fastly | joão taveira araújo why don’t other CDNs do this? why it matters
- 74. networking at fastly | joão taveira araújo because they can’t change why it matters
- 75. networking at fastly | joão taveira araújo packet switching “unfeasible” why it matters
- 76. networking at fastly | joão taveira araújo why it matters
- 77. networking at fastly | joão taveira araújo why it matters
- 78. networking at fastly | joão taveira araújo 📱 why it matters
- 79. networking at fastly | joão taveira araújo ActiveflowsState Time why it matters
- 80. networking at fastly | joão taveira araújo RTT POPs why it matters
- 81. networking at fastly | joão taveira araújo
