Price: $27.00
(as of Nov 27,2024 02:20:49 UTC – Details)
ASIN : B01C60JRGY
Publisher : Addison-Wesley Professional; 1st edition (February 24, 2016)
Publication date : February 24, 2016
Language : English
File size : 22802 KB
Simultaneous device usage : Up to 5 simultaneous devices, per publisher limits
Text-to-Speech : Enabled
Screen Reader : Supported
Enhanced typesetting : Enabled
X-Ray : Not Enabled
Word Wise : Not Enabled
Print length : 481 pages
SDN and NFV Simplified: A Visual Guide to Understanding Software Defined Networks and Network Function Virtualization
Software Defined Networks (SDN) and Network Function Virtualization (NFV) are two technologies that are revolutionizing the way networks are designed, deployed, and managed. But for many people, these concepts can be complex and difficult to grasp. That’s why we’ve created this visual guide to help simplify the key concepts behind SDN and NFV.
What is SDN?
SDN is a technology that separates the control plane from the data plane in a network. This allows network administrators to centrally manage and control the network through software, rather than relying on individual network devices to make routing decisions. In a traditional network, the control plane and data plane are tightly integrated within each network device, making it difficult to make changes to the network quickly and efficiently.
With SDN, the control plane is decoupled from the data plane, and network devices are programmable through a centralized controller. This makes it easier to automate network tasks, optimize traffic flows, and respond to changing network conditions in real-time. SDN is often used in data centers, campus networks, and wide area networks to improve network agility, scalability, and security.
What is NFV?
NFV is a technology that virtualizes network functions, such as firewalls, load balancers, and intrusion detection systems, so they can run on standard hardware rather than dedicated appliances. This allows network operators to deploy and scale network services more quickly and cost-effectively, without the need for specialized hardware.
In a traditional network, network functions are typically implemented using dedicated hardware appliances, which can be expensive to purchase, deploy, and maintain. With NFV, network functions are virtualized and run in software on commodity hardware, making it easier to deploy new services, scale them up or down as needed, and improve overall network flexibility.
How do SDN and NFV work together?
SDN and NFV are complementary technologies that work together to create more agile, flexible, and efficient networks. With SDN, network administrators can centrally manage and control the network through a software-defined controller, while NFV allows them to virtualize and deploy network functions as needed.
By combining SDN and NFV, organizations can create virtualized network services that can be dynamically provisioned, scaled, and optimized based on real-time network conditions. This can help reduce network complexity, improve service delivery, and lower operational costs.
In conclusion, SDN and NFV are two powerful technologies that are transforming the way networks are designed, deployed, and managed. By understanding the key concepts behind SDN and NFV, you can take advantage of these technologies to create more agile, flexible, and efficient networks for your organization.
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