QoS Juniper vs Cisco

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Juniper vs Cisco in terms of QoS

Hi everyone!

In this post, we are going to compare Juniper’s and Cisco QoS solutions to design our finantial Data Center.

After some research in Juniper Networks and Cisco QoS solutions and products, focusing on our specific case, and comparing them, lets see what conclusions we have taken:

Juniper vs Cisco, Round 1! lets introduce the actual products (Routers and Switches) that both providers offers.


Cisco offers us a series of devices according to their purpose:

  • Cisco 800M Series ISR: for small business, flexible, highly secure and reliable, is a modular router intended for very small sites
  • Cisco 4000 Series ISR: offers secure WAN connectivity, application experience, unified communications, network automation, virtualization.
  • Cisco ASR 1000 Series Aggregation Services Routers: offer elastic service delivery and automation
  • Cisco ASR 9000 Series Aggregation and Core Services Routers: programable and scalable routers, high platform density, low power consumption, and virtualization capabilities.
  • Cisco Nexus 6000 Series Switches: high-density 40 Gigabit Ethernet in an energy-efficient, high-performance deployments in traditional, virtualized, and cloud environments.
  • Cisco Nexus 7000 Series Switches: deliver a comprehensive Cisco NX-OS feature set and open-source programmable tools for software-defined networking (SDN) deployments. They offer high-density 10, 40, and 100 Gigabit Ethernet
  • Cisco Nexus 9000 Series Switches: high performance and density, low latency, and exceptional power efficiency in a range of form factors. The switches operate in Cisco NX-OS Software or Application Centric Infrastructure (ACI).

Link for more information: http://www.cisco.com/c/en/us/products/index.html


For its part, Juniper also offers products to meet the functionalities of QoS:

  • PTX Series Packet Transport Routers: high performance, optical transport integration. They support high-density 100GbE environments
  • ACX Series Universal Access Routers: ACX Series routers are environmentally hardened to ensure business continuity and network reliability.
  • CTP Series Circuit to Packet Platforms: CTP Series are reliable and efficient access to next-generation IP networks having advantages on their cost, redundancy, and efficiency.
  • J Series Services Routers: The J Series Services Routers are addient for those enterprises that need a variety of flexible network routers that deliver secure, reliable network routing solution to remote places.
  • MX Series 3D Universal Edge Routers: A portfolio of Routers prepared for SDN that provide high system capacity, density, and performance.
  • EX Series Ethernet Switches: EX Series can provide 1GbE access speed that deliver enterprise network access and adding the functionality of the encryption.
  • QFX Series Switches: QFX Series are switches that covers the  principal characteristics of QoS:  high-performance, low-latency edge devices addient for QFabric System.

For more information: http://www.juniper.net/us/en/products-services/

Finally, who is best in Juniper vs Cisco?

As we have seen throughout our career, Cisco is the great leader in equipment of Switches and Routers, although Juniper offers a good competition with respect in this field, the Cisco components are superior and offer a better service in terms of the quality of service to prioritize critical traffic, along with the other functionalities of the Switches or Routers. Still, for more specific services some Juniper products differ positively from Cisco appliances.

Thats all for QoS, see you on future posts!


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