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The Internet 192.168.178.1/24 DHCP 192.168.178.42/24 GW: - PowerPoint PPT Presentation

Jan 30, 2024 •845 likes •1.3k views

iNNOVO Cloud Can You Read this? Red Blue Magenta White Yellow Green -All colors visible? Can You Read this? -All circles round? Can You Read this? -All edges Can You Read this? visible? Can You Read this? Beamer Testpicture 16:9 1

  1. iNNOVO Cloud Can You Read this? Red Blue Magenta White Yellow Green -All colors visible? Can You Read this? -All circles round? Can You Read this? -All edges Can You Read this? visible? Can You Read this? Beamer Testpicture 16:9 1 1

  2. The Internet™ 192.168.178.1/24 DHCP 192.168.178.42/24 GW: 192.168.178.1 …

  3. The Datacenter™ 10.23.0.46/24 The Internet™ 10.23.0.45/24 10.23.0.1/24 10.23.0.44/24 10.23.0.43/24 10.23.0.42/24 GW: 10.23.0.1 …

  4. The Datacenter™ Datacenter FeaturesRisks • Portchannels/-aggregation 10.23.0.46/24 The Internet™ • VLANs 10.23.0.45/24 • Spanning-Tree 10.23.0.1/24 10.23.0.44/24 • QoS 10.23.0.43/24 10.23.0.42/24 GW: 10.23.0.1 …

  5. The Datacenter™ 10.23.0.46/24 The Internet™ 10.23.0.45/24 10.23.0.1/24 10.23.0.44/24 10.23.0.43/24 10.23.0.42/24 GW: 10.23.0.1 …

  6. Operating Openstack on an IP-Fabric Jan.Walzer@innovo-cloud.de twitter://@janwalzer 2 0 . N O V E M B E R 2 0 1 8

  7. ... a little Agenda  What is an IP-Fabric  Why  Deployment  Operations  Cumulus 7

  8. To Recap 10.23.0.1/24 10.23.0...../24 10.23.0.42/24 8

  10. 10.90.0.1/30 10.90.1.1/30 10.90.0.2/30 10.90.1.2/30 10.90.2.1/32 10

  11. Terminology We call these the transfer-networks 10.90.0.1/30 10.90.1.1/30 We call this the 10.90.0.2/30 10.90.1.2/30 canonical IP 10.90.2.1/32 11

  12. Transfer-Networks 10.90.0.1/30 10.90.1.1/30 The IP-transfer networks only allow 2 IPs to be used There is NO default Gateway 10.90.0.2/30 10.90.1.2/30 10.90.2.1/32 12

  13. BGP – Border Gateway Protocol 10.90.0.1/30 10.90.1.1/30 Routing information All devices have a is exchanged via BGP-Daemon BGP running 10.90.0.2/30 10.90.1.2/30 10.90.2.1/32 13

  14. BGP ... ... 10.90.2.1 via 10.90.0.2 10.90.2.1 via 10.90.1.2 ... ... 10.90.0.1/30 10.90.1.1/30 10.90.0.2/30 10.90.1.2/30 ... 0.0.0.0 via 10.90.0.1 0.0.0.0 via 10.90.1.1 ... 10.90.2.1/32 14

  15. BGP 10.90.0.5/30 ... ... 10.90.1.5/30 10.90.2.1 via 10.90.0.2 10.90.2.1 via 10.90.1.2 ... ... 10.90.0.2/30 10.90.1.2/30 ... 0.0.0.0 via 10.90.0.1 0.0.0.0 via 10.90.1.1 ... 15 10.90.2.1/32

  16. BGP 10.90.0.5/30 ... ... 10.90.1.5/30 10.90.2.1 via 10.90.0.2 10.90.2.1 via 10.90.1.2 10.90.2.2 via 10.90.0.6 10.90.2.2 via 10.90.1.6 ... ... 10.90.1.6/30 10.90.0.2/30 10.90.1.2/30 ... ... 10.90.0.6/30 0.0.0.0 via 10.90.0.5 0.0.0.0 via 10.90.0.1 0.0.0.0 via 10.90.1.5 0.0.0.0 via 10.90.1.1 10.90.2.1 via 10.90.0.5 10.90.2.2 via 10.90.0.1 10.90.2.1 via 10.90.1.5 10.90.2.2 via 10.90.1.1 ... 16 ... 10.90.2.1/32 10.90.2.2/32

  17. 17

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  19. 19

  20.  Consistent performance, subscription and latency between all racks  Consistent performance and latency with scale  Architecture for any-to-any Datacenter trafficflows 20

  21. 21

  23. Why  Operational Flexibility  Redundancy& Resilience  Scalability 23

  24. Why Every IP in the Cluster can be  Operational Flexibility moved to any Server instantly  Redundancy& Resilience  Scalability 24

  25. Why Every IP in the Cluster can be  Operational Flexibility moved to any Avoid Layer2 issues Server instantly  Redundancy& L2 Fault Isolation Resilience Multipathing Anycast  Scalability 25

  26. Why Every IP in the Cluster can be  Operational Flexibility moved to any Avoid Layer2 issues Server instantly  Redundancy& L2 Fault Isolation Resilience Multipathing The Design stays the Anycast same!  Scalability • Just add more links • Just add more switches • Just add more racks • Just add more datacenters 26

  27. Deployment Tools  IP Management: Source of truth  Infrastructure as Code  Serverconfig  Switchconfig 27

  28. Deployment Tools knows the truth ...  IP Management: Source of truth  Infrastructure as Code  Serverconfig  Switchconfig 28

  29. Deployment Tools knows the truth ...  IP Management: Source of truth Ansible playbooks  Infrastructure as Code Toolchain  Serverconfig  Switchconfig 29

  30. Deployment Tools knows the truth ...  IP Management: Source of truth Ansible playbooks  Infrastructure as Code Toolchain There is no difference • Switches running Cumulus  Serverconfig Linux • No operational difference • Applying the same roles to all devices  Switchconfig 30

  31. Operations – Everything is a metric Metric based ...  Monitoring  Alerting  Logging 31

  32. Operations – Everything is a metric Metric based ...  Monitoring  Alerting  Logging 32

  33. Operations – Everything is a metric Metric based ...  Monitoring  Alerting  Logging 33

  34. Operations – Everything is a metric Metric based ...  Monitoring Prometheus Alertmanager  Alerting  Logging 34

  35. „ What makes Cumulus Linux so special ?“

  36. „ What makes • Just a normal Linux Server based on Debian Linux Cumulus Linux • with lots of network interfaces so special ?“ • deployment and configuration • Troubleshooting: regular Linux environment • Monitoring/Logging: Prometheus/Elastic

  37. „ What makes Cumulus Linux so special ?“ The special thing is: Our routers are nothing special anymore!

  38. Questions Jan.Walzer@innovo-cloud.de twitter://@janwalzer

  39. iNNOVO Cloud We are hiring: jobs@innovo-cloud.de 2 0 . N O V E M B E R 2 0 1 8

  40. Backup Slides

  41. DC2 DC1 100G 100G 25G

  42. BGP AS-Numbering DC2 DC1 AS65001 AS65003 AS65002 AS65005 AS65004

  43. Crayon- Icons are cool … http://www.visguy.com/2008/08/11/crayon-network-shapes/

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