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Cisco ACI vs Illumio comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jul 27, 2025

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

Cisco ACI
Ranking in Cloud and Data Center Security
6th
Average Rating
8.0
Reviews Sentiment
6.5
Number of Reviews
102
Ranking in other categories
Network Virtualization (1st), Software Defined Networking (SDN) (2nd)
Illumio
Ranking in Cloud and Data Center Security
7th
Average Rating
8.0
Reviews Sentiment
6.4
Number of Reviews
11
Ranking in other categories
Cloud Workload Protection Platforms (CWPP) (13th), Microsegmentation Software (2nd)
 

Mindshare comparison

As of September 2025, in the Cloud and Data Center Security category, the mindshare of Cisco ACI is 4.9%, down from 6.7% compared to the previous year. The mindshare of Illumio is 23.4%, down from 23.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Cloud and Data Center Security Market Share Distribution
ProductMarket Share (%)
Cisco ACI4.9%
Illumio23.4%
Other71.7%
Cloud and Data Center Security
 

Featured Reviews

Rahul Khandelwal - PeerSpot reviewer
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.
Alark Singh - PeerSpot reviewer
Visual traffic interface aids in network micro-segmentation while a streamlined update option enhances process efficiency
The strongest aspect of Illumio is the visual traffic interface, which allows us to see all traffic that communicates with our servers and allied companies. We can write rules that can be embedded into the IP table, making it easy to handle. Illumio enables us to see network flows, traffic sources, and destinations. The policy generation and enforcement capabilities are valuable, allowing for selective enforcement. Illumio helps in audit purposes by saving data and showing blocked traffic, ensuring no outside traffic is allowed.

Quotes from Members

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

Pros

"We will improve our organization using the automation."
"Because of its automation feature, when you configure scripts for Cisco ACI, it reduces human error."
"The routing of traffic is one of our main focuses when utilizing Cisco ACI."
"The most valuable feature is the unified fabric."
"We can implement customer requirements more quickly."
"One area where it has an advantage... is that you're able to reuse a specific integration. If you add another server, you can use a specific integration and assign it to another port."
"One significant attraction for clients in Iran is the robustness of multicast solutions, which has been a major driver for them to migrate to Cisco ACI."
"Centralized management and control of the entire data center environment and its architecture."
"The strongest aspect of Illumio is the visual traffic interface, which allows us to see all traffic that communicates with our servers and allied companies."
"The solution helps to maintain logs and monitor activities. It also helps us with access management. The tool helps us to secure organizational data that include files."
"The tool helps with my company's security posture."
"The features that I have found most useful is the ability to centralize all the rules and then distribute them across various locations. However, I've encountered challenges related to tagging policies, which can be complex to devise. It's a matter that requires careful consideration and stakeholder involvement before implementing such policies."
"The most valuable feature of Illumio Adaptive Security Platform is monitoring. When I have no requirement from the other application, I can use the web block traffic to build."
"Customer support is excellent."
"The flexibility of the solution is its most valuable feature."
"I would recommend Illumio to all sizes of companies."
 

Cons

"The first setup was difficult because it is a very different discipline than other traditional network deployments. The terminology is very different, so the first time can be difficult."
"I believe there's room for improvement in terms of ACI's integration with various technologies."
"It needs more integration with public clouds, like Azure and AWS."
"It would be better to introduce some wizards to guide you through the whole configuration process instead of clicking through a bunch of menus with no concrete path. It is too easy to forget one or another if you configure it this way."
"The initial set up was complex. We had to deploy 120 leads. Migrating from Legacy Cisco network to ACI was complex."
"I think that technical support tickets should be escalated sooner."
"The firewall has room for improvement because there is no central inspection yet on Cisco ACI."
"Our problems with Cisco ACI are mainly related to the contracts and how to manage them easily in the platform. Cisco also needs to improve the log files and the complexity of the graphical interface."
"We need more details on areas where there is an error or a traffic blockage. I would like the tool to offer a more detailed view."
"Some of the features that can be improved is offer additional guidance on creating an effective and risk-free tagging policy would be highly beneficial."
"I have not had the chance to experiment deeply with it."
"It requires a low-level re-architecting of the product."
"The customer service is lagging a bit. It could be better."
"Illumio Adaptive Security Platform could improve by supporting more operating systems. For example, Cisco and Apache appliances."
"The interaction we've had with the support team hasn't been ideal. Technical support should be improved."
"I would like to see better data security in the product."
 

Pricing and Cost Advice

"It's expensive but the product is very good. I have never found another partner like Cisco with a solution like this and with great support."
"The good thing about Cisco is that you can trade in your old products to replace them with ACI."
"I don't believe there is any licensing required."
"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."
"This is an expensive solution."
"The pricing is pretty good for new technology."
"The cost is fine."
"Cisco is much more expensive than other vendors, especially when it comes to the licensing."
"The product's pricing is around 10,000-15,000 USD. The pricing is on a yearly basis."
"There is a subscription needed to use Illumio Adaptive Security Platform and we pay every three years. Overall the solution is expensive."
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Top Industries

By visitors reading reviews
Computer Software Company
20%
Financial Services Firm
10%
Manufacturing Company
8%
Healthcare Company
7%
Financial Services Firm
18%
Computer Software Company
14%
Manufacturing Company
7%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business21
Midsize Enterprise18
Large Enterprise87
By reviewers
Company SizeCount
Small Business3
Midsize Enterprise1
Large Enterprise7
 

Questions from the Community

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 do you like most about Cisco ACI?
The flexibility of adding new components with minimal impact on existing services running in the data center is a key benefit of this ACI-based solution.
What do you like most about Illumio Adaptive Security Platform?
The features that I have found most useful is the ability to centralize all the rules and then distribute them across various locations. However, I've encountered challenges related to tagging poli...
What is your experience regarding pricing and costs for Illumio Adaptive Security Platform?
I do not have specific knowledge about pricing details as it is handled by upper management. I know that Illumio is the cheapest solution in the security area.
What needs improvement with Illumio Adaptive Security Platform?
There should be an option to upgrade from the console to the latest version instead of performing manual upgrades. This would be more helpful to streamline processes.
 

Comparisons

 

Also Known As

No data available
Illumio Adaptive Security Platform, Illumio ASP
 

Overview

 

Sample Customers

Bowling Green State University, du, Qatar University
Plantronics, NTT Innovation Institute Inc.
Find out what your peers are saying about Cisco ACI vs. Illumio and other solutions. Updated: July 2025.
867,349 professionals have used our research since 2012.