Chapter 5. Junos Fusion

Enterprises need to build simple, flexible networks within their data centers to handle any type of business function. The first challenge is that network operators are expected to manage an ever-increasing number of devices; the operator-to-device ratio keeps incrementing. The second challenge is that network operators often find a lack of logical scale and features when deploying top-of-rack (ToR) switches that are based on merchant silicon hardware.

How do you solve these challenges? Do you try to develop your own solution? What does the life cycle look like? Do you use a vendor solution? What are its limitations? What does the failure domain look like? These are some of the many questions network operators ask themselves when evaluating options for creating a new enterprise data center architecture.

Overview

Junos Fusion solves these two challenges and many more. Juniper’s next generation fabric is based on Junos Fusion and has three key pillars: provider edge, campus, and data center. Each of the pillars is a different flavor of Junos Fusion that’s custom tailored to solve specific use case requirements.

Junos Fusion Provider Edge (JFPE)
JFPE is optimized to maximize edge router slot utilization. In other words, take the advanced features and scale of Juniper MX line cards and extend it to Juniper ToR switches.
Junos Fusion for Enterprise (JFE)
JFE is optimized for aggregating wiring closets, simplified management, and Power-over-Ethernet (PoE). ...

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