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Big Switch Networks vs Cisco ACI comparison

 

Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Big Switch Networks
Ranking in Software Defined Networking (SDN)
9th
Average Rating
9.0
Reviews Sentiment
8.6
Number of Reviews
1
Ranking in other categories
Network Packet Broker (NPB) (5th)
Cisco ACI
Ranking in Software Defined Networking (SDN)
2nd
Average Rating
8.0
Reviews Sentiment
6.3
Number of Reviews
103
Ranking in other categories
Network Virtualization (1st), Cloud and Data Center Security (7th)
 

Mindshare comparison

As of February 2026, in the Software Defined Networking (SDN) category, the mindshare of Big Switch Networks is 3.8%, down from 4.0% compared to the previous year. The mindshare of Cisco ACI is 11.8%, down from 13.9% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Software Defined Networking (SDN) Market Share Distribution
ProductMarket Share (%)
Cisco ACI11.8%
Big Switch Networks3.8%
Other84.4%
Software Defined Networking (SDN)
 

Featured Reviews

Jason Best - PeerSpot reviewer
Data center network architect at Cloudwire
A flexible solution that can be integrated with third-party solutions whilst maintaining its automated nature
I think if I was to say something that could be improved, it would be a multi-data center nature of the implementation. Meaning, having an active-active data center with multiple entrance-exit points. I think that feature could be improved to provide a kind of anycast gateway solution into the functionality that would make it a lot more flexible and versatile. Maybe also making the solution a bit more like the NSX-T from VMware, more on the logical part of the solution, like micro-segmentation and the ability to have a distributed firewall across the whole solution, to implement it in an easier way than they currently do with the security aspect of the solution.
Rahul Khandelwal - PeerSpot reviewer
Network Technical Manager at KPMG
Enables streamlined data center management with automation and application-centric design
The main features of Cisco ACI that I really appreciate are the application-centric and network-centric designs, allowing you to create your network according to your application. That's helpful, and it's good for one-time implementation. The automation capabilities are really helpful. We deployed one data center using Terraform, and after deployment, many automation features are available, which can be very helpful. Based on my experience, Cisco ACI provides substantial capability; you can design your network accordingly and it's part of the SDN family, providing many benefits to the organization, especially when moving from traditional network infrastructure. Many organizations are actually using the old traditional Nexus infrastructure or some old data center devices. It gives you significant control and one-time implementation capabilities, and it also provides better performance and security. Functionality-wise, Cisco ACI provides integration using automation. We implemented it through Terraform, which was easy. Those features are available, so I don't think any new features are needed right now; something new could come up, but they have implemented many improvements over the years.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"What I liked about the solution is the quick and easy way you can build a network data center fabric."
"The centralized configuration is its most valuable feature."
"I have found the SDN features to be the most valuable."
"ACI's most valuable feature is sizing - you can easily find the sizing of the data, which means the data speed, CPU, and virtualization can be determined."
"The product works very well with our virtual environment."
"The most valuable features are the ease of setup for redundancy, as well as centralized control."
"This solution allows you to do everything quicker and more efficiently."
"With ACI, if you need more capacity you can just buy more and plug them in without needing to do anything else. All of the sudden that infrastructure is there for me to use, configure, and add stuff to."
"We use Cisco ACI for perimeter security and threat detection."
 

Cons

"I think if I was to say something that could be improved, it would be a multi-data center nature of the implementation."
"If I lose the connection from one side to the core, I can't use the other side to go to the core. I hope in the future, this will be fixed."
"The only drawback that we are seeing is the user interface is still a little complex and difficult to use. It needs a more user-friendly interface."
"The initial setup was fairly complex and it looks terrifying when you first log in. That's one thing about ACI. It takes a bit to wrap your mind around how it works. It's not overly complicated once you understand the concepts, but someone who has never worked with anything like ACI, will initially find it difficult to grasp the complexity of it."
"Cisco needs to enhance their technical support and pay more attention to regional support."
"We are waiting to see what happens with the cloud. We want to see if it will scale better."
"I would like for them to develop integration with AWS."
"Cisco ACI is a highly complex solution. The initial deployment is just a few clicks, but understanding how an ACI works and interacts with routing, switching, and virtualization takes a lot of knowledge. The interface isn't necessarily hard to use, but the technology is complicated. If you want to understand how it works and how to configure it, you should study hard."
"They should improve the GUI, make it simpler. They also need to improve its integration with other automation tools."
 

Pricing and Cost Advice

"The licensing cost depends on the number of switches that are going to be licensed to run the software."
"Cisco's pricing is very expensive."
"We don't use all of the features but it's still worth the money."
"Price is always an issue."
"If you compare the licensing and total cost of ACI, it's cheaper than NSX because of the licensing fees. If you are going for full NSX features it will be too expensive, especially the next-generation firewalling feature."
"Once you sign for the start kit implementation, you have to go all the way through to the implementation, even if you are experiences issues."
"The thing that I like the most from Cisco is the support and all the documentation that they have. We do have to pay for it though."
"It is quite expensive. It is not at all on the cheap or medium side."
"We used Cisco Professional Services for the deployment. They were outstanding, but very expensive."
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Top Industries

By visitors reading reviews
Financial Services Firm
12%
Manufacturing Company
12%
Healthcare Company
10%
University
8%
Financial Services Firm
12%
Computer Software Company
12%
Manufacturing Company
9%
Healthcare Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business21
Midsize Enterprise19
Large Enterprise87
 

Questions from the Community

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What are the biggest differences between Cisco ACI and VMware NSX?
There are some very major differences between both the Products and to name a few. -Cisco ACI have physical network gear (9K Switches) where the Code runs in ACI Policy Mode & the UCS server wh...
What are the biggest differences between Cisco ACI and VMware NSX?
Once you know your way around the Cisco ecosystem, using Cisco ACI is not so difficult. It is a global product, so when you change one interface, changes are automatically reflected on every switch...
What is your experience regarding pricing and costs for Cisco ACI?
Cost is one thing that could be improved, as it is heavy for an emerging market like ours.
 

Overview

 

Sample Customers

A10 Networks, Edge-Core Networks, Blue Coat Systems, BlueData, Broadcom Corporation, Canonical, Check Point Software Technologies, Citrix, Dell, FireEye, Garland, Hortonworks, Mirantis, Nexenta, Riverbed
Bowling Green State University, du, Qatar University
Find out what your peers are saying about Cisco, TP-Link, Aviatrix and others in Software Defined Networking (SDN). Updated: February 2026.
881,733 professionals have used our research since 2012.