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TRANSCRIPT
ONS 2019Using Kubernetes to Build a Microservices Cloud Native Network OS to
Bring CI/CD to Networking
April 4, 2019
Agenda
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• About Me• The need for CI/CD in Networking…• What is CI/CD?• How does the network fit in? – Why is it special?• What is the automation landscape today?• Why isn’t this good enough for CI/CD?• Maybe the network isn’t special?• Tackling this from the network OS level…• Why is Kubernetes perfect for the job?• Steps you can you take now…• Q&A• Contact
About me
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• Glenn Sullivan, Co-Founder SnapRoute• Former network engineer running global
DC ops at Apple• Using whitebox switches since the early
days• Started SnapRoute to build solutions for
operators, by operators
@GlennSullivanSR
/glenn-sullivan
The need for CI/CD in Networking…
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The need for CI/CD in Networking…
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The need for CI/CD in Networking…
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What is CI/CD?
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Plan
Build
MonitorTest
Deplo
y
Operate
Dev Ops
Build
Monitor
Test
Deploy
Operate
Plan
What is CI/CD?
What is CI/CD?
CI/CD = Constant, Little Changes
What is CI/CD?
Source: codefresh.io
How does the network fit In – Why is it special?
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How does the network fit In – Why is it special?
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How does the network fit In – Why is it special?
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SPECIAL
How does the network fit In – Why is it special?
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How does the network fit In – Why is it special?
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How does the network fit In – Why is it special?
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What is the automation landscape today?
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Rancid
What is the automation landscape today?
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!= Plan
Build
MonitorTest
Deplo
y
Operate
Dev Ops
Why isn’t this good enough for CI/CD?
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VS NOS
Maybe the network isn’t special?
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NOT SPECIAL
Maybe the network isn’t special?
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Source: Javier Santos Paniego, Scala Developer & Co-Founder of Scalera Blog
Tackling this from the network OS level…
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Tackling this from the network OS level…
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Why is Kubernetes perfect for the job?
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Why is Kubernetes perfect for the job?
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Source: thenewstack.io/ebooks/kubernetes/ci-cd-with-kubernetes
CN-NOS Architecture
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KubeAPI ProtocolsTelemetry
TelemetryRC
Core Controllers
System Mgmt
Host Controller
PMD
ASICRC PlatformRC
L3/L2 Infra
ADJRC
INTFRCuFIBRC
TPS Agent
LACP
BGPLLDP
STP
RTM
FilterRC
DHCP Relay
YMM
CLI
PRISM
NetConfCNCLI
3rd Party /Custom Apps
Platform Hardware
Observe
Analy
zeACT
Data Plane Linux Kernel
• Native embedded Kubernetes
• Yocto base
• Hardware abstraction
• KubeAPI / REST API Layer
• Cloud Native CLI
• Telemetry Layer
Steps you can take now…
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• Use CI/CD to adopt CI/CD • Get rid of the culture of “NO”• Use SnapRoute CN-NOS in your environment ;)• Define clear roles for each team• Find manual, repetitive changes – get rid of
them• Change maintenance window times • Networks are not sacred – don’t treat them as
such• Decrease time between upgrades – build the
muscle• Start small and build upon easy wins
Q&A
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Contact Us3960 Freedom CircleSuite 100Santa Clara, CA 95054
(844) 762-7768
@snaproute
/snaproute-inc.
/SnapRouteInc
