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what is sdn network

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what is software defined network (SDN) Software defined network main target is to get the program ability to the traditional network. In SDN one of the main functions is to network function virtualization. Mostly SDN networks used by the large networks such as Google, Microsoft, amazon cloud service IBM etc. In the Figure 1 shows the traditional network vs SDN network. In the SDN network Firewall and the load balancer in the cloud environment they are SDN support devices.in the traditional network firewall, load balancer and the web server in the local promises. Figure 1: Difference between traditional network and SDN network  In the SDN it separate the control plane and data plane Figure 2, Control plane is a logic that control the packets (decision part of the device) and the data plane is hardware part of the device. Control Plane ---- Logical part Data Plane     ---- Hardware part Figure 2: Control p...
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learn how to build sdn network using mininet

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Learn how to build sdn network using mininet Setup the virtual machine and install necessary software Setup the virtual machine First you must download the virtual machine.Then open the virtual machine. https://github.com/mininet/mininet/releases In this window you can give name and the location for the your virtual machine. For the networking purpose you must add the two network adapter.Click the "Edit virtual machine settings" Network adapter 1  :NAT Network adapter 2  : VMNET(Host-only) For give the custom IP address and DHCP you must select the Custom selection on the connection settings. Open the virtual network editor for create the Custom virtual network.The Give the IP address as you like. Subnet ip (10.0.13.0) Subnet mask 255.255.255.0 The go to the DHCP settings string ip address as 10.0.13.1 Ending IP 10.0.13.254 Then click OK Start the virtual machine and Login using below credenti...
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