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  • About ShivMishra
ShivMishra

ShivMishra

Comes here often

Member since Jul 19, 2018

‎01-04-2019

shiv mishra

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Re: Community Challenge: SD-WAN, Explained

by ShivMishra in Community Announcements
‎12-05-2018 01:20 AM
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‎12-05-2018 01:20 AM
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  These days people want to access information any time any where from any device. Mobile devices and cloud computing make it possible but it causes management complexity, application performance unpredictability, and data vulnerability. There are two primary network : LAN : - LAN connected devices insight of office together. WAN: - WAN is connected your office to other side to around the world. Without WAN its like not having the Internet access. SD-WAN is a software-defined approach to managing the wide-area network, or WAN Which makes IT works Smarter , Faster and Lower cost. Let’s understand how SD-WAN works: 10s,100s or 1000s WAN routers are communicating to each other over long distances. With each  routers having Data Plane and Control plane. Data plane is holds the information  that is being sent or received Data. Control plane determines where that data should go. However someone need to program Control plane with the rule and how to handle network traffic on dataplane. Let’s take Business case with example of large retail store chain: A large Retail store chain with 1000 stores needs  to deploy video application across the branches. Lets assume each store having one router that need 10 commands to implement correct configuration for new Video application.  Assuming customer running 1000 branches and he wants to implement video application policy for all branches without any error. If each command takes 6 sec to implement that means one branch required  1 min to implement new policy. It means 1* 1000= 1000 Min required to implement new policy. If we are doing this manually then it complex, error prom and take long time. if any mistake happen with one of those command will do hunting and troubleshooting for the same that will impact IT resources. it may paralyze the businesses. This problem can be overcome by developing programming tools and script. Here SDWAN introduced to do all automation on WAN devices. In SDWAN all control plane is centralize so its easy to manage and easy deploy new policy simultaneously. In SD-WAN we can define all business critical app on MPLS network and social media app on low priority. If any new policy implement it will automatically distributed and implemented across organization in second. The modern workforce is increasingly mobile, and business-critical applications are running over the Internet across multiple clouds. SD-WAN Technology automatically determine the most effective way to route traffic to and from branch offices and data center sites. SD-WAN always choose best path to route traffic irrespective of transport carrier e.g. MPLS, 3G/4G LTE etc. With the help of SD-WAN Technology Network administrators can use bandwidth more efficiently and can help ensure the highest level of performance for critical applications without sacrificing security or data privacy. SD-WAN Key Benefits       ... View more
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Re: Community Challenge: SD-WAN, Explained

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