How to be a Network Engineer in a Programmable Age Cisco DevNet Webinar Series

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Earl Peters
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1 Intent Networks How to be a Network Engineer in a Programmable Age Cisco DevNet Webinar Series Speaker: Hank Preston Cisco DevNet Hostess: Kara Sullivan Cisco Networking Academy 25 October 2017

2 Welcome to the 3rd session of the Cisco DevNet webinar series Use the Q and A panel to ask questions. Use the Chat panel to communicate with attendees and panelists. A link to a recording of the session will be sent to all registered attendees. Please take the feedback survey at the end of the webinar. 2

3 Cisco DevNet Series Session 1: Intro to Software & Programmability (Available On-Demand) Session 2: Intro to Coding (Available On-Demand) Session 3: Intent Networks Today! All Series Details can be More Sessions to Come! 3

4 Joining You Today: Hank Preston III Developer Evangelist DevNet, Cisco 4

5 Topics to Cover The Network Engineer of Old The Four Ages of Networking Cloud to the Rescue The Programmable Network Engineer Tomorrow s Network Engineers! 2017 Cisco and/or its affiliates. All rights reserved. Cisco Confidential 5

6 The Network Engineer of Old 6

7 Meet Carl the Network Engineer Programming Skills TCL EEM Expect Scripts Networking Skills Spanning-Tree Routing Protocols QoS VPN Design Spanning-Tree VOIP Fibre Channel Security Policy MPLS Spanning-Tree Did I mention Spanning-Tree? 7

8 The Network 8

9 The Network 9

10 The Network 10

11 The Network 11

12 The Network 12

13 The Network 13

14 The OSI Model of Networking Please don t ask about this L7: Application L6: Presentation L5: Session L4: Transport L3: Network Oh Yeah We Got this Black Magic L2: Data Link L1: Physical 14

15 The Four Ages of Networking 15

16 Stone Age Spanning Tree VLANs The Four Ages of Networking.. 16

17 Stone Age Spanning Tree VLANs Bronze Age Routing Protocols WAN Design IP-magedon The Four Ages of Networking.. 17

18 Stone Age Bronze Age The Renaissance Spanning Tree VLANs Routing Protocols WAN Design IP-magedon SDN OpenFlow Controllers Overlays MP-BGP VXLAN Micro-Segmentation White Box The Four Ages of Networking.. 18

MP-BGP VXLAN Micro-Segmentation White Box Python REST / APIs NETCONF / YANG

19 Stone Age Bronze Age The Renaissance Programmable Age Spanning Tree Routing Protocols SDN Cloud VLANs WAN Design IP-magedon OpenFlow Controllers Overlays MP-BGP VXLAN Micro-Segmentation White Box Python REST / APIs NETCONF / YANG Fabrics Network Function Virtualization (NFV) DevOps Containers The Four Ages of Networking.. 19

20 App Economy Internet of Things Tech Unicorns User Expectations and Agility If it isn t connected, don t bother Low barrier of entry for disruptors 20

21 21

22 The Cloud You Plan to Build 22

23 The Cloud You Plan to Build The Cloud You End Up With 23

24 The New Infrastructure Stack Development Environment Vagrant, Docker, Vim, Slack, Spark, Git Users and Developers Operating System CoreOS, Rancher, RedHat, Ubuntu, Microsoft Architects and Operators Infrastructure UCS/ACI, HP, vsphere/nsx 24

25 The New Infrastructure Stack Users and Developers Development Environment Delivery Pipeline Vagrant, Docker, Vim, Slack, Spark, Git GitHub, BitBucket, Jenkins, Team City, Drone, Puppet, Ansible, Chef Cloud Management and Automation UCS Director, vrealize, OpenStack, AWS, CloudCenter Operating System CoreOS, Rancher, RedHat, Ubuntu, Microsoft Architects and Operators Infrastructure UCS/ACI, HP, vsphere/nsx 25

26 The New Infrastructure Stack Users and Developers Development Environment Delivery Pipeline Scheduling and Placement Container Layer Applications and Middleware Cloud Management and Automation Vagrant, Docker, Vim, Slack, Spark, Git GitHub, BitBucket, Jenkins, Team City, Drone, Puppet, Ansible, Chef Docker/Swarm, Kubernetes, Mesosphere, Tectonic, Rancher, Rocket HAProxy, Cassandra, RabbitMQ, Hadoop, Consul UCS Director, vrealize, OpenStack, AWS, CloudCenter Operating System CoreOS, Rancher, RedHat, Ubuntu, Microsoft Architects and Operators Infrastructure UCS/ACI, HP, vsphere/nsx 26

27 The New Infrastructure Stack Users and Developers DevOps Engineers Development Environment Delivery Pipeline Scheduling and Placement Container Layer Applications and Middleware Cloud Management and Automation Vagrant, Docker, Vim, Slack, Spark, Git GitHub, BitBucket, Jenkins, Team City, Drone, Puppet, Ansible, Chef Docker/Swarm, Kubernetes, Mesosphere, Tectonic, Rancher, Rocket HAProxy, Cassandra, RabbitMQ, Hadoop, Consul UCS Director, vrealize, OpenStack, AWS, CloudCenter Operating System CoreOS, Rancher, RedHat, Ubuntu, Microsoft Architects and Operators Infrastructure UCS/ACI, HP, vsphere/nsx 27

28 The New Infrastructure Stack IaaS PaaS Development Environment Vagrant, Docker, Vim, Slack, Spark, Git Users and Developers Delivery Pipeline Scheduling and Placement Container Layer GitHub, BitBucket, Jenkins, Team City, Drone, Puppet, Ansible, Chef Docker/Swarm, Kubernetes, Mesosphere, Tectonic, Rancher, Rocket DevOps Engineers Applications and Middleware Cloud Management and Automation HAProxy, Cassandra, RabbitMQ, Hadoop, Consul UCS Director, vrealize, OpenStack, AWS, CloudCenter Operating System CoreOS, Rancher, RedHat, Ubuntu, Microsoft Architects and Operators Infrastructure UCS/ACI, HP, vsphere/nsx 28

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31 The Programmable Network Engineer 31

32 Adding Network Programmability Skills! Phase 1 Python REST APIs JSON/XML git/github Phase 2 Phase 3 Linux Skills Ansible Docker NETCONF/YANG Linux Networking Container Networking NFV As Needed Network Controllers IOT Networking Cloud Networking NFV DevOps 32

33 Next Steps! Linux Unhatched Course Available Now! Python Essentials and Emerging Tech Workshops Coming Soon! 33

How to be a Network Engineer in a Programmable Age An evolution that goes beyond Infrastructure as Code and Automation

How to be a Network Engineer in a Programmable Age An evolution that goes beyond Infrastructure as Code and Automation Hank Preston, Principal Engineer NetDevOps Evangelist ccie 38336 R/S @hfpreston github.com/hpreston