Junos Fusion Technology Datasheet

For enterprise networks, Junos Fusion Enterprise provides automated network configuration and simplifies scalability for medium to large enterprise networks with the Juniper Networks EX9200 line of Ethernet switches and EX4300, EX3400, EX2300, and EX2300-C switches. Junos Fusion Enterprise technology can be deployed across a building, or multiple buildings, to connect large numbers of devices in a fabric that can be managed as a single device.

In Junos Fusion Data Center and Junos Fusion Enterprise environments, Junos Space Network Director provides a single-pane-of-glass solution for managing the entire network, enabling network agility and reducing costs. Using standards-based EVPN technology, multiple buildings configured with Junos Fusion Enterprise technology can be interconnected with Junos Fusion Data Center fabrics to form an IP fabric. In such a configuration, all enterprise buildings and data centers can follow uniform VLANs, configurations and policies rather than each building having separate VLANs and policies.

With Junos Fusion technology, service providers and enterprises can reduce network complexity and operational costs by collapsing underlying network elements into a single, logical point of control from Junos OS-based Juniper routing and switching platforms. It is designed for customers who need to cost-effectively deploy many 1GbE/10GbE/40GbE/100GbE switch ports in a data center, business edge, or access and aggregation network that can be managed from a central device. In addition, existing switches and routers can be easily migrated to a Junos Fusion architecture with a simple software upgrade, offering full investment protection.

The Junos Fusion architecture consists of two major components: “Aggregation” devices and “Satellite” devices.

• Aggregation devices: Aggregation devices serve as the core of a Junos Fusion fabric. One or two aggregation devices can be used in a single Junos Fusion fabric. All configurations take place from the Aggregation device.
• Satellite devices: Satellite devices form the access layer of a Junos Fusion fabric. These devices, which are connected via uplinks to the Aggregation devices, need not be individually managed as the control plane resides on the Aggregation device.

Depending on the technology, different products can be used as Aggregation or Satellite devices in a particular Junos Fusion Fabric (see Table 1).

These components work together as a single switching system, flattening the network to a single tier without compromising resiliency. Network administrators can build individual Junos Fusion fabrics comprised of a pair of Aggregation devices and a set of Satellite devices; each fabric is a discrete unit, managed as a single device. Fabrics can be small—for example, a pair of Aggregation devices and a handful of Satellites—or large, with up to 64 Satellite devices supporting thousands of ports, based on the needs of the network operator.

In Junos Fusion Enterprise deployments, Satellite devices do not need to be individually connected to Aggregation devices. Up to 10 Satellite devices can be interconnected via standard 10GbE/40GbE interfaces to form a “cluster,” which in turn can be connected to the Aggregation devices over a pair of fiber uplinks. Satellite devices or clusters can also be dual-homed or single-homed to the Aggregation devices.

Junos Fusion technology can be deployed in a variety of modes, depending on the desired deployment scenario.

• Port-Extended Mode: In port-extended mode, ports on the Junos Fusion Aggregation devices are extended to the Junos Fusion Satellite devices, virtually maintaining feature functionality of the Aggregation device’s port. All L2 and L3 decisions are processed on the Aggregation device, as the Satellite device provides simple connectivity back to the Aggregation device. A likely scenario for Junos Fusion extended and programmable mode on MX Series routers, EX Series switches or QFX Series switches would be in a multitenant data center environment used to connect a large number of servers running different applications owned by different tenants, as none of the servers or tenants need to communicate with one another.
• Distributed Forwarding Mode: Junos Fusion can also be deployed with distributed forwarding on Satellite devices for high-performance and low-latency applications.

Only port-extended mode is supported by Junos Fusion Enterprise, so Satellite devices simply forward all traffic to the Aggregation device, enabling network administrators to monitor and manage the entire enterprise campus building from a single device. Features such as Power over Ethernet Plus (PoE+), LLDP- MED and 802.1x are also supported in Junos Fusion Enterprise architectures to help meet enterprise campus requirements.

Juniper Networks is the leader in performance-enabling services that are designed to accelerate, extend, and optimize your high-performance network. Our services allow you to maximize operational efficiency while reducing costs and minimizing risk, achieving a faster time to value for your network. Juniper Networks ensures operational excellence by optimizing the network to maintain required levels of performance, reliability, and availability. For more details, please visit https://www.juniper.net/us/en/products.html.

Junos Fusion is offered as a part of platform fees. For details on how to order the controller or Satellite platforms, please refer to www.juniper.net or contact your sales representative.

At Juniper Networks, we are dedicated to dramatically simplifying network operations and driving superior experiences for end users. Our solutions deliver industry-leading insight, automation, security and AI to drive real business results. We believe that powering connections will bring us closer together while empowering us all to solve the world’s greatest challenges of well-being, sustainability and equality. 

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