Redes em container
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A maioria dos times de infraestrutura já estão adotando containers em seus ambientes de desenvolvimento e de testes. Contudo, ainda é notável a dificuldade para esta tecnologia chegar no ambiente de produção. Uma das maiores dificuldades está na parte de redes. No mundo de containers este tópico fica ainda mais complicado, onde continuamente containers são criados e destruídos, movidos entre máquinas e até entre datacenters. Nesta talk, será explicado de forma detalhada e prática sobre o funcionamento da rede usada pelo Docker. Além disso, será abordado algumas soluções e como são os detalhes de implementação para garantir a segurança e performance em ambientes críticos.
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The realization of network softwarization, an overarching buzzword to encompass all software-centric developments from the Software-Defined Networking (SDN) and Network Function Virtualization (NFV) trends, is being enabled through a set of innovations in high-speed data plane design and implementation. Recent efforts include te-architecting the hardware-software interfaces and exposing programmatic interfaces (e.g., OpenFlow), programmable hardware-based pipelines (e.g. Protocol Independent Switch Architecture – PISA) along suitabe programming languages (e.g., P4), and multiple advances on low overhead virtualization and fast packet processing libraries (e.g. DPDK, FD.io) for Linux based general purpose processor platforms. This talk provides an overview of relevant ongoing work and discusses the trade-offs of each design and implementation choice of software-defined dataplanes regarding Programmability, Performance, and Portability.Openslava 2017 - Are developers the real emerging technology?
Developers are no longer just coders in the background but are front and center of an organization’s digital transformation efforts. While technology is driving change with open source projects, new tooling, containers and clouds offerings galore, it's still about people and organizational culture. Join us as we discover how developers are the real emerging technology today and the most important assets of all.
Session link: http://www.openslava.sk/2017/#/sessions/1
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Redes em container
- 1. Globalcode – Open4education Trilha – Containers Redes em Container Guilherme Oki
- 2. Globalcode – Open4education Agenda • Infra Tradicional vs Infra Moderna • Containers • Rede • Padrões de redes em container • Tipos de rede no docker • Bridge • Overlay • MACVLAN • Demos • Redes tradicionais vs SDN • Drivers de rede • Flannel • Calico
- 3. Globalcode – Open4education Quem sou eu? ● IT Automation Engineer na Stone Pagamentos ● Defensor do Open Source ● Entusiasta da cultura e desenvolvimento ágil ● Apaixonado pela cultura devops
- 4. Globalcode – Open4education Livros que estou lendo... @guilhermeoki
- 5. Globalcode – Open4education Livros muito bons Site Reliability Engineering: How Google Runs Production Systems Continuous Delivery - Reliable Software Releases Through Build, Test And Deployment Automation The Illustrated Network How TCP/IP works in a modern network The Art of Unix Programming Linux Kernel Development Systems Performance Enterprise and the Cloud Clean Code The Pragmatic Programmer from journeyman to master The Linux Programming Interface The Phoenix Project The Open Organization igniting passion and performance Time Management for System Administrators The Lean Startup Management 3.0 leading agile developers developing agile leaders High Output Management
- 6. Globalcode – Open4education Infraestrutura Tradicional Physical Network Physical Storage Physical Compute VMM Virtual Machine Applications
- 7. Globalcode – Open4education Infraestrutura Moderna Tipo 1 Tipo 2 Virtualization SaaS IaaS PaaS Storage Networking
- 9. Globalcode – Open4education Containers “CONTAINERS ARE NOT A REAL THING” - Jess Frazelle Cgroups Namespaces Filesystem Virtual Machine Containers First Class Objects
- 10. Globalcode – Open4education Container Code int flags = CLONE_NEWNS | CLONE_NEWCGROUP | CLONE_NEWPID | CLONE_NEWIPC | CLONE_NEWNET | CLONE_NEWUTS; child_pid = clone(child, stack + STACK_SIZE, flags | SIGCHLD, &config); Namespaces PID UTS IPC NET MNT
- 12. Globalcode – Open4education Redes Layer 2 Source MAC Destination MAC VLAN ID
- 13. Globalcode – Open4education Redes - Layer 3 Source MAC Destination MAC VLAN ID Source IP Destination IP
- 14. Globalcode – Open4education Container Network Standard Drivers Nativos Outros Drivers Host Bridge Overlay MACVLAN None Calico Cilium Weave Contiv Kuryr
- 15. Globalcode – Open4education Container Network Standard IPAM
- 16. Globalcode – Open4education Docker Network - Network Namespaces “Docker networking is Linux networking” - Docker docs iptables bridges veths network ns
- 17. Globalcode – Open4education Docker Network - Network Namespaces
- 18. Globalcode – Open4education Docker Network - Bridges
- 19. Globalcode – Open4education DEMO - Linux Bridges
- 20. Globalcode – Open4education Redes - Tradicionais vs SDN Router Management Plane Control Plane Data Plane Management Plane Control Plane Data Plane
- 21. Globalcode – Open4education Redes - VXLAN
- 22. Globalcode – Open4education Redes - VXLAN
- 23. Globalcode – Open4education Docker Network - Overlay
- 25. Globalcode – Open4education DEMO - Docker overlay
- 26. Globalcode – Open4education Network Driver - MACVLAN
- 27. Globalcode – Open4education DEMO - Docker MACVLAN
- 28. Globalcode – Open4education Network Driver -Flannel Container 10.0.0.2 Container 10.0.1.2 docker0 docker0 flannel0 flannel0 eth0 192.168.1.2 eth0 192.168.1.3
- 29. Globalcode – Open4education Network Driver - Calico BIRD Felix BIRD Felix Container Container iptables routes iptables routes