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In this section we will talk about why we need network automation
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even as underlying technologies have evolved guys.
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Network Management has remained largely same for decades.
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Networks are typically built operated and maintained manually network operators look into routers switches
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load balancers and firewalls and they change the configurations by day or hand and then they logged
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out.
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These procedures are largely directed at implementing and maintaining the network policies defined by
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business processes at least 70 percent of Gartner clients still use manual CLIA based chains as the
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primary mechanism for network configurations
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so when it comes to the network program ability guys this is a really technology that's really changing
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the landscape of network administration.
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It is going to change how and network administrator does day to day jobs and that is SD in which which
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is known as Software Defined Networking.
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The idea is in here instead of going individual devices such as routers switches and firewalls and configuring
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them individually we can express our intent to a network controller and that's network controller could
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simultaneously go out and configure multiple devices which gives us a great scalability to be able to
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do that and we are going to see how it works in this section.
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How do we express our intent to a controller but it can be through a program that we write or maybe
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a program written by a third party or maybe a python program or maybe a program that is accessible through
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G Y interface built into our controller
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so we we told that future going to be the network automation and add traditional manual approaches to
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the network configuration and updates are too slow and error prone to effectively support the needs
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of rapidly shifting application and data transfer requirements.
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These hands on processes make it difficult to provide the high level of service users expect and deliver
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resources to applications and I.T. operations teams on demand and implement change control and configuration
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processes and understand and manage inventory effectively also maintain configuration standards across
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disparate network platforms and buildings stronger and more self-sufficient.
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Net ops team programmable software based automation technologies can help your team better support your
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organization's digital in the team to use Gartner believes organizations that automate 70 percent of
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their network configuration change will reduce the number of unplanned network outages by more than
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half compared with those that automate less than 30 percent so way to automate your network why we need
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this one reusable scalable software defined.
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Automation gives you more control over and visibility into network resources as a result you can improve
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infrastructure availability stuff productivity network security and configuration compliance.
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Okay let's start with the productivity network.
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Automation will improve your team's ability to respond faster to increased demand for changes and also
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they will able they will be able to test and deploy changes automatically and they will be able to automate
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rapidity you and unpopular their tasks.
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When it comes to complaints and network automation will ensure continuous compliance with changing regulations.
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You can leave all configurations from a single platform and automatically test changes before committing.
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You can also validate that changes were made appropriately or not.
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When it comes to security point of view you will be able to identify vulnerabilities and implement fixes
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across your entire network.
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You can collect information about network to ISIS and the build an inventory of those devices so you
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can automatically mitigate the issues when it comes to availability.
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You can increase network availability with more effective testing and management and also you can automate
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testing to better understand and the impact of change and reduce manual errors with automated change
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management.
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