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NETSCOUT vSTREAM vs vRealize Network Insight comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Oct 10, 2024

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

NETSCOUT vSTREAM
Ranking in Network Monitoring Software
85th
Average Rating
8.0
Number of Reviews
3
Ranking in other categories
No ranking in other categories
vRealize Network Insight
Ranking in Network Monitoring Software
34th
Average Rating
8.6
Reviews Sentiment
6.0
Number of Reviews
47
Ranking in other categories
IT Infrastructure Monitoring (38th)
 

Mindshare comparison

As of January 2026, in the Network Monitoring Software category, the mindshare of NETSCOUT vSTREAM is 0.4%, up from 0.3% compared to the previous year. The mindshare of vRealize Network Insight is 0.7%, up from 0.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Monitoring Software Market Share Distribution
ProductMarket Share (%)
vRealize Network Insight0.7%
NETSCOUT vSTREAM0.4%
Other98.9%
Network Monitoring Software
 

Featured Reviews

KL
Network Engineer at Inniti Network Solution
A user-friendly solution that is easy to install and improves visibility
I would like to see improvements made to the user guide. From my personal experience, it is helpful to see a list of steps describing what to do next in different situations. An example is what to do and what to back up in the case of certain types of failure. There are also cases where a customer can't understand specific features. Enhancements to the user guide would be helpful for this. More features for network fragmentation would be helpful.
Shaijith KB - PeerSpot reviewer
Senior System Specialist at General Directorate of Residence and Foreigners Affairs (GDRFA)
Comprehensive management and detailed reports benefit operations while improvements are needed in support and maintenance
We have Tanzu and OpenShift. We have OpenShift, Canonical, and the Tanzu one. The Tanzu platform from VMware is a Kubernetes platform. We haven't completely installed Tanzu yet; we installed the vROps part. vRealize Network Insight is beneficial because you can control the East-West traffic. vRealize has a component called NSX, which has East-West traffic controlling and micro-segmentation, that is one of the best options, and we have the layer extension, layer 2 extension possible through NSX. If you have anything accountable in any business, even in a candy business, having proper accountability on what you are selling and buying will save a lot. If you don't know what you're selling and buying, you will end up with a loss. My team does not use the flow analytics feature; we have a security and network monitoring team, which is a different SOC team. I am using it as an administrator internally. We perform different tasks including costing analysis, capacity management, and many other things. vRealize Network Insight has a concern about the maintenance part, as it requires a person to monitor it completely. It's not something you install and your report will be generated automatically. You have to work on this properly to get the insights. vRealize Network Automation, vRealize Operations, and vRealize Network Insight are completely related to the network. I cannot say much about these network aspects because I am on the operations side, but overall, the vRealize suite is good for reporting perspective or any ISO-related documentation; this is very helpful. The product is called vRealize Operations Manager, and now it is referred to as Aria or vAria. I am now a Senior System Specialist. We use different metrics because we have multiple departments, and we can monitor utilization and comparisons with the previous year. On a scale of one to ten, I rate this solution a seven.

Quotes from Members

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

Pros

"One of the valuable features is the packet decoding."
"vSTREAM gives us better visibility and reporting about our network infrastructure, allowing for cost-optimization."
"It helps a lot because, until now, we didn't have the tools to figure out the micro level, VM-to-VM kind of traffic; that was not in the current environment. We could not figure out VM-to-VM communication from the other tools. This is the tool which gives us end-to-end transparency."
"It has definitely helped us to meet compliance rules by assuring that all traffic is going to where it's supposed to go. It can be used to report that you are in compliance, as well as helping you get into compliance."
"What's valuable to us is the ability to get a view into the virtual space, which is something we haven't had before. Before, it was done by collecting from network endpoints and extrapolating into the virtual environment. Now it's coming directly from the virtual environment."
"It allows you to see traffic that you couldn't otherwise see, which is traffic within your Layer 3-bounded network, meaning east-west traffic. It's hard to get that any other way."
"The initial was straightforward. You can have it up and running in one hour."
"It has enabled us to set up and do application discovery, as far as network traffic is concerned, and set up the appropriate rules that we need to make sure we're compliant with our security frameworks."
"The graphical interface of this environment is so good with all the views, the graphics, and everything in them. It's really easy for me. It doesn't need an engineer to work on it. It's easy enough that anyone can get into the environment and look for issues or look at how communication is going on across the VMs. It's pretty much straightforward."
"I find that the interface of most VMware products is very similar, which I consider an advantage due to its ease of use compared to other tools like Splunk."
 

Cons

"I would like to see improvements made to the user guide."
"Room for improvement exists in filtering in the packet decode."
"I would like for it to have a smaller footprint of the virtual appliance and better performance."
"If it were more application-aware, more descriptive; if it were able to determine the application that is actually doing the communication, that would be easier. More application information: which user or account it's accessing, is it accessing this application, doing these calls, if it is accessing a script, what script is it accessing. Things like that would provide deeper analytics so I can track what's going on. It would not just be, "These people shouldn't be talking," but who is actually doing these calls."
"If it had some kind of plugins with vSphere, more effective plugins with Horizon View or other VMWare products, if it had interconnectivity, I think it would be more effective than it is today."
"The only issue we have is that the solution does not always capture the host names."
"The virtual appliance has rebooted."
"I would like to see more reporting features, more dashboards."
"There is room for improvement as not all cases are getting resolved, and we often do not get L3 support directly, having to go through L1 and L2, resulting in delays that usually are a headache for us."
"While it's not exactly a feature, what normally happens when we are trying to look at the VM flow portion is - although Network Insight does have options to integrate a few physical switches into it - we can't really get an end-to-end flow of the network. We might be using a few switches that are not supported by Network Insight. That is where they can improve, in the support for more physical switches and network devices."
"The compatibility with each and every component of the infrastructure is the main thing that I am looking for. I would like them to make sure that it's compatible with different kinds of storage systems, etc. I have seen the compatibility list. I feel it can be more compatible than it is right now."
 

Pricing and Cost Advice

"Licensing is quite expensive."
"The solution has reduced the time that we spend on other products. For example, with NSX, we were able to quickly find things that we would normally spend days trying to figure out."
"The solution has helped us to reduce time, increase performance, reduce costs, and even easily manage networks. We are probably seeing 10 to 20 percent labor savings because we are able to be very specific and focused on what we want to do. It ends up saving the customer money and makes us be more efficient on our cost deliveries."
"It has brought more money into our company."
"vRealize Network Insight is expensive."
"Cost always has room for improvement, you could always make it cheaper. But I think it's a good value for what you pay for it."
"It's an expensive product because we have a lot of nodes."
"It reduces costs. It takes something that may be challenging and makes it more usable and visual by being able to bring in tools, seeing what their impact is, such as microsegmentation and application rationalization, and seeing it quickly."
"They should include the product in NSX because it's important to have it for deployment."
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Top Industries

By visitors reading reviews
Energy/Utilities Company
14%
Financial Services Firm
14%
Government
11%
Computer Software Company
9%
Manufacturing Company
14%
Computer Software Company
12%
Healthcare Company
9%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business11
Midsize Enterprise9
Large Enterprise41
 

Questions from the Community

Ask a question
Earn 20 points
What do you like most about vRealize Network Insight?
The tool's ease of configuration and use and the availability of information and artifacts through professional services and the web are key factors that customers find valuable.
What is your experience regarding pricing and costs for vRealize Network Insight?
In VMware you have to buy a separate license for it. We have VVF and VCF-type of licenses, and if you want to go with this NSX and sort of higher-end professional services, you need to go with VCF....
What needs improvement with vRealize Network Insight?
There is room for improvement as not all cases are getting resolved, and we often do not get L3 support directly, having to go through L1 and L2, resulting in delays that usually are a headache for...
 

Also Known As

vSTREAM
Arkin
 

Overview

 

Sample Customers

Metropolitan Police Agency, Banpara, PropertyRoom.com
NTTi3, VCIX-NV, VMware Networking and Security Business Unit, Illumio, CompuNet
Find out what your peers are saying about NETSCOUT vSTREAM vs. vRealize Network Insight and other solutions. Updated: December 2025.
880,745 professionals have used our research since 2012.