M.E.L.I.G. Unikernel and Serverless
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This MeetUp gathering talked about the different virtualization techniques used today and how they are employable in the different software architectures.
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M.E.L.I.G. Unikernel and Serverless
- 1. VM -> SERVERLESS MEETUP 2017-03-23
- 3. COMMODITISATION SHORT HISTORY OF COMPUTE 1960 2000 ▸ Mainframes ▸ Minicomputers ▸ Unix Servers/Workstations ▸ Windows/Linux on x86 3
- 4. COMMODITISATION SHORT HISTORY OF COMPUTE 1960 2000 ▸ Mainframes ▸ Minicomputers ▸ Unix Servers/Workstations ▸ Windows/Linux on x86 1996 First x86 commodity Linux cluster 4
- 5. COMMODITISATION SHORT HISTORY OF COMPUTE 1960 2000 ▸ Mainframes ▸ Minicomputers ▸ Unix Servers/Workstations ▸ Windows/Linux on x86 5
- 6. COMMODITISATION SHORT HISTORY OF COMPUTE physicalvirtual 1960 2000 today ▸ Mainframes ▸ Minicomputers ▸ Unix Servers/Workstations ▸ Windows/Linux on x86 5
- 7. COMMODITISATION SHORT HISTORY OF COMPUTE physicalvirtual 1960 2000 today ▸ VMware on blades ▸ Public Cloud ▸ Containers ▸ Serverless ▸ Mainframes ▸ Minicomputers ▸ Unix Servers/Workstations ▸ Windows/Linux on x86 5
- 8. TCO COMMODITISATION SHORT HISTORY OF COMPUTE physicalvirtual 1960 2000 today ▸ VMware on blades ▸ Public Cloud ▸ Containers ▸ Serverless ▸ Mainframes ▸ Minicomputers ▸ Unix Servers/Workstations ▸ Windows/Linux on x86 5
- 9. COMMODITISATION COMMODITY ITEMS (SOFTWARE EATS THE WORLD) * physicalvirtual ▸ Mainframes ▸ Minicomputers ▸ Unix Servers/Workstations ▸ Windows/Linux on x86 ▸ VMware on blades ▸ Public Cloud ▸ Containers ▸ Serverless 1960 2000 today HW SW HW SW HW SW HW SW SW SW * rough estimate 6
- 10. VIRTUALIZATION TECHNIQUES THE RAISE OF VIRTUALIZATION physicalvirtual ▸ VMware on blades ▸ Public Cloud ▸ Containers ▸ Serverless 1960 2000 today ▸ Mainframes ▸ Minicomputers ▸ Unix Servers/Workstations ▸ Windows/Linux on x86 7
- 11. VIRTUALIZATION TECHNIQUES THE RAISE OF VIRTUALIZATION physicalvirtual ▸ VMware on blades ▸ Public Cloud ▸ Containers ▸ Serverless 1960 2000 today ▸ Mainframes ▸ Minicomputers ▸ Unix Servers/Workstations ▸ Windows/Linux on x86 7
- 12. VIRTUALIZATION TECHNIQUES TECHNIQUES USED ▸ Virtualization provides 1:n consolidation of machines SERVER HOST KERNEL HYPERVISORSERVICES Userland (OS) KERNEL KERNEL Userland SERVICES SERVICES Traditional Virtualization Userland 8
- 13. VIRTUALIZATION TECHNIQUES TECHNIQUES USED ▸ Virtualization provides 1:n consolidation of machines ▸ Containerization provides OS-level virtualization SERVER HOST KERNEL HYPERVISORSERVICES Userland (OS) KERNEL KERNEL Userland SERVICES SERVICES Traditional Virtualization Userland SERVER HOST KERNEL Userland App1 App2 Linux Container UserlandUserland SERVICES 8
- 15. userland TEXT hardware userland application Traditional Virtualization Containerization application libs sys-calls hardware
- 16. userland TEXT hardware kernel userland application Traditional Virtualization Containerization application libs sys-calls hardware hardware
- 17. userland TEXT hardware kernel userland application Traditional Virtualization Containerization hypervisor application libs sys-calls hardware hardware
- 18. userland TEXT hardware kernel kernel userland application Traditional Virtualization Containerization hypervisor application libs sys-calls hardware hardware
- 19. userland TEXT hardware kernel kernel userland application Traditional Virtualization Containerization hypervisor application libs sys-calls hardware hypercalls hardware
- 20. userland TEXT hardware kernel kernel userland application Traditional Virtualization Containerization hypervisor application libs sys-calls hardware hypercalls hardware virtualization magic (HVM, PV, SR-IOV, PCI-passthrough, hyper-calls, …)
- 21. userland TEXT hardware kernel kernel userland application Traditional Virtualization Containerization hypervisor kernel application libs sys-calls hardware hypercalls hardware virtualization magic (HVM, PV, SR-IOV, PCI-passthrough, hyper-calls, …)
- 22. userland TEXT hardware kernel kernel Container userland application Traditional Virtualization Containerization lightweight abstraction with negligible overhead hypervisor kernel application libs sys-calls hardware hypercalls hardware virtualization magic (HVM, PV, SR-IOV, PCI-passthrough, hyper-calls, …)
- 23. userland TEXT hardware kernel kernel Container userland application Traditional Virtualization Containerization lightweight abstraction with negligible overhead hypervisor kernel application libs sys-calls hardware 102 hypercalls hardware virtualization magic (HVM, PV, SR-IOV, PCI-passthrough, hyper-calls, …)
- 24. VIRTUALIZATION TECHNIQUES TECHNIQUES USED ▸ Virtualization provides 1:n consolidation of machines ▸ Containerization provides OS-level virtualization SERVER HOST KERNEL HYPERVISORSERVICES Userland (OS) KERNEL KERNEL Userland SERVICES SERVICES Traditional Virtualization Userland SERVER HOST KERNEL Userland App1 App2 Linux Container UserlandUserland SERVICES 10
- 25. VIRTUALIZATION TECHNIQUES TECHNIQUES USED ▸ Virtualization provides 1:n consolidation of machines ▸ Containerization provides OS-level virtualization ▸ Uni-Kernels combine bin, libs and kernel SERVER HOST KERNEL HYPERVISORSERVICES Userland (OS) KERNEL KERNEL Userland SERVICES SERVICES Traditional Virtualization Userland SERVER HOST KERNEL Userland App1 App2 Linux Container UserlandUserland SERVICES UNIKERNEL SERVER HOST KERNEL OS Serverless App1 10
- 26. VIRTUALIZATION TECHNIQUES UNIKERNELS ▸ Extract what is really needed from the OS ▸ Kernel-parts, which the app (libs) uses ▸ No multi-process, multi-user setup ▸ creates a sealed, single-purpose image (VM or HW image) 11
- 29. kernel userland TEXT hardware kernel kernel Traditional Virtualization hypervisor application hardware Unikernel libs app NET VFS + Network + VFS I/O — Multiuser — Multiprocess — All other FS — …
- 30. kernel userland TEXT hardware kernel kernel Traditional Virtualization hypervisor application hardware Unikernel libs app NET VFS + Network + VFS I/O — Multiuser — Multiprocess — All other FS — …
- 31. userland TEXT hardware kernel kernel Traditional Virtualization hypervisor application hardware Unikernel + Network + VFS I/O — Multiuser — Multiprocess — All other FS — …Unikernel
- 32. DEMO UNIKERNELS
- 34. SERVICE ORIENTED ARCHITECTURE SERVICE ORIENTED AMBIGUITY ▸ SOA implies an architecture where applications disappear ▸ SOA is about allowing systems to communicate over standard structure ▸ SOA is all about using (mostly) asynchronous messaging ▸ SOA is about exposing software through web services https://martinfowler.com/bliki/ServiceOrientedAmbiguity.html 15
- 36. MICROSERVICES SOA DONE RIGHT ▸ run services as distinct processes ▸ communicate over network (HTTP, JSON) ▸ composable pieces IMG -> https://thenewstack.io/the-new-stack-podcast-show-2-the-rise-of-microservices-in-the-paas-world/ 17
- 38. SERVERLESS FROM SERVICE TO FUNCTION ▸ no service-loop ▸ each request is handled individually ▸ by incoming HTTP-call, network package ▸ no state within function itself (lambda) !K7, Stateless (Album cover) 19
- 39. SERVERLESS HOW TO IMPLEMENT? ▸ pre-staged ▸ Watchdog that loops binary (faas) ▸ Blocking binary run ▸ ad-hoc ▸ fire-up function when requests comes in AWS Lambda 20
- 40. DEMO FAAS
- 41. SERVERLESS HOW TO IMPLEMENT? ▸ Technology ▸ linux container ▸ Docker ▸ special purpose ▸ unikernels AWS Lambda 22
- 42. christian@qnib.org @CQnib QUESTIONS? Thank you for listening