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Pseudowires

Pseudowires are a virtual networking technology that enables the creation of Layer 2 (L2) connections over Layer 3 (L3) networks. This technology allows for the extension of L2 networks across different physical networks, such as WANs, MANs, and LANs. Pseudowires can be used to connect devices that are geographically dispersed, or to provide connectivity between different network segments that are separated by a router or other L3 device.

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Pseudowires are a virtual networking technology that enables the creation of Layer 2 (L2) connections over Layer 3 (L3) networks. This technology allows for the extension of L2 networks across different physical networks, such as WANs, MANs, and LANs. Pseudowires can be used to connect devices that are geographically dispersed, or to provide connectivity between different network segments that are separated by a router or other L3 device.

Benefits of Pseudowires

Pseudowires offer a number of benefits over traditional Layer 2 technologies, including:

  • Increased flexibility: Pseudowires can be used to connect devices that are located in different physical locations, or to provide connectivity between different network segments that are separated by a router or other L3 device. This flexibility makes pseudowires a good choice for WAN and MAN applications.
  • Improved performance: Pseudowires can provide higher performance than traditional Layer 2 technologies, as they are not subject to the same limitations of bandwidth and latency. This makes pseudowires a good choice for applications that require high bandwidth or low latency.
  • Reduced cost: Pseudowires can be less expensive to implement than traditional Layer 2 technologies, as they do not require the purchase of new hardware. This cost-effectiveness makes pseudowires a good choice for businesses that are looking to reduce their IT costs.

How Pseudowires Work

Pseudowires work by encapsulating Layer 2 frames within Layer 3 packets. This encapsulation allows the Layer 2 frames to be transmitted over a Layer 3 network. The Layer 3 packets are then de-encapsulated at the destination device, and the Layer 2 frames are forwarded to their intended destination.

Applications of Pseudowires

Pseudowires can be used in a variety of applications, including:

  • Extending LANs across WANs: Pseudowires can be used to extend LANs across WANs, allowing devices that are located in different physical locations to communicate as if they were on the same local network.
  • Connecting different network segments: Pseudowires can be used to connect different network segments that are separated by a router or other L3 device. This connectivity can be used to createVLANs, or to provide connectivity between different subnets.
  • Providing connectivity between devices that are geographically dispersed: Pseudowires can be used to provide connectivity between devices that are geographically dispersed. This connectivity can be used to create remote access networks, or to connect devices that are located in different countries.

Online Courses on Pseudowires

There are a number of online courses that can help you learn about pseudowires. These courses can provide you with the knowledge and skills you need to implement and manage pseudowire networks.

Some of the benefits of taking an online course on pseudowires include:

  • Flexibility: Online courses can be taken at your own pace and on your own schedule. This flexibility makes online courses a good choice for busy professionals who want to learn about pseudowires without having to attend traditional classroom-based courses.
  • Affordability: Online courses are often more affordable than traditional classroom-based courses. This affordability makes online courses a good choice for businesses that are looking to reduce their training costs.
  • Convenience: Online courses can be taken from anywhere with an internet connection. This convenience makes online courses a good choice for professionals who travel frequently or who live in remote areas.

Conclusion

Pseudowires are a versatile and cost-effective technology that can be used to improve the performance, flexibility, and security of your network. If you are looking to learn more about pseudowires, there are a number of online courses that can help you get started.

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Reading list

We've selected four books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Pseudowires.
Provides a comprehensive overview of networked control systems. It includes a chapter on the use of pseudowires in networked control systems.
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