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Illumio vs VMware NSX comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Apr 20, 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

Illumio
Ranking in Cloud and Data Center Security
2nd
Ranking in Microsegmentation Software
3rd
Average Rating
8.0
Reviews Sentiment
6.4
Number of Reviews
11
Ranking in other categories
Cloud Workload Protection Platforms (CWPP) (12th)
VMware NSX
Ranking in Cloud and Data Center Security
3rd
Ranking in Microsegmentation Software
1st
Average Rating
8.0
Reviews Sentiment
6.9
Number of Reviews
102
Ranking in other categories
Network Virtualization (2nd), Network Traffic Analysis (NTA) (8th), Network Detection and Response (NDR) (9th), Network Automation (5th)
 

Mindshare comparison

As of May 2025, in the Cloud and Data Center Security category, the mindshare of Illumio is 25.0%, up from 21.5% compared to the previous year. The mindshare of VMware NSX is 13.0%, down from 20.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Cloud and Data Center Security
 

Featured Reviews

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.
DanielBass - PeerSpot reviewer
Improves network security with micro-segmentation but setup is complex
I value the ability to dynamically configure our network on the fly using VMware NSX. This flexibility is a huge advantage because it allows us to avoid static configurations that come with traditional hardware setups. Additionally, the micro-segmentation feature is beneficial for adhering to strict security regulations from our security department.

Quotes from Members

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

Pros

"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."
"It has helped us to understand internal network visibility and firewall policy implementation. We use the product to simplify firewall policy implementation."
"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."
"The product provides visibility into how the applications communicate and how the network protocols are being used."
"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."
"Customer support is excellent."
"The dependency map is most valuable feature."
"The flexibility of the solution is its most valuable feature."
"NSX's stand-out function is the distributed firewall. The firewall system is just top-notch, and I haven't seen another solution like it."
"Over the last two years, they've enhanced a lot, especially in regard to integration with OpenStack."
"Firewall security is one of VMware NSX's vital features"
"Their technical support is very good. They help us figure out solutions when we have problems."
"The most valuable features for us at this early stage are the interface and the integration with existing VMware solutions."
"It is a stable solution...The solution's initial setup process was easy."
"The most powerful feature of VMware NSX is the micro-segmentation that allows us to separate the different protocols our application works with."
"NSX gives us the ability to put our network, NSX, onto any network there is, which allows us not to have to go to the network team to create networks our VLANs for networks."
 

Cons

"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."
"There should be an option to upgrade from the console to the latest version instead of performing manual upgrades."
"Illumio Adaptive Security Platform could improve by supporting more operating systems. For example, Cisco and Apache appliances."
"The product’s agents don't work very well in OT environments."
"It requires a low-level re-architecting of the product."
"The customer service is lagging a bit. It could be better."
"The solution is very basic and doesn't do anything other than the orchestration of layer four endpoint firewall rules."
"I would like to see better data security in the product."
"I would like to have automating reporting built into common service management platforms, such as JIRA, Serviceaide, and ServiceNow."
"The price could be better. The non-enterprise version of the product should also be improved. I would like VMware to expand beyond the network and provide some VLAN technologies and more. I think we have one, but it's more on the distribution side because it's more on the upper side of the network. I'm looking forward to that."
"The solution could benefit from improvements in its pricing and scalability."
"The first time setting it up was difficult."
"A room for improvement in VMware NSX is that it has some security vulnerabilities, which means my company has to apply the patches every once in a while."
"The ticket support response time from VMware could be improved. Often, callbacks are delayed, which can be problematic if the servers are in production."
"They could do more with cloud management."
"Nowadays, NSX supports the KVM and ESXi hypervisors only. It should also support Hyper-V and Citrix hypervisors."
 

Pricing and Cost Advice

"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."
"The price of this product is too high."
"We can't go without NSX, so it's invaluable from this perspective."
"VMware NSX is a cheaper product compared to its competitor, Cisco."
"I'm unable to give information on the pricing or licensing cost of VMware NSX because I've never been someone who looks into the economic part of any security or virtualization solutions. That's handled by an entirely different team, and I don't even have the slightest idea about the costs associated with the solution, though I've heard pricing for VMware NSX is on the higher side."
"The price of VMware NSX is optimal. Additionally, the price of the solution can be negotiated with the vendor. Many areas of the solution can impact the cost, such as features, time for onboarding, and support needed."
"All the institutions have to pay monthly for the services in the cloud. They have to pay $30,000 every month for this service every three years."
"The solution is very expensive."
"VMware NSX is expensive and everything is licensed. We have to pay for each individual feature."
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Top Industries

By visitors reading reviews
Financial Services Firm
18%
Computer Software Company
15%
Manufacturing Company
8%
Government
7%
Computer Software Company
16%
Financial Services Firm
14%
Government
9%
Manufacturing Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

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.
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 VMware NSX?
The product has valuable features for security and network extension.
 

Also Known As

Illumio Adaptive Security Platform, Illumio ASP
VMware Nicira, Lastline Defender
 

Overview

 

Sample Customers

Plantronics, NTT Innovation Institute Inc.
City of Avondale, Lumeta, Kroll Ontrack, Heartland Payment Systems, Baystate Heallth, Exostar, Tribune Media, iGATE, NTT Communications, Synergent, California Natural Resources Agency, Bloomington Public Schools, Columbia Sportswear, Join Experience S.A, Schuberg Philis
Find out what your peers are saying about Illumio vs. VMware NSX and other solutions. Updated: April 2025.
850,900 professionals have used our research since 2012.