

VMware NSX and Cisco ACI compete in the network virtualization and software-defined networking category. VMware NSX seems to have the upper hand in cost-effectiveness and support, while Cisco ACI stands out for its advanced feature set and performance.
Features: VMware NSX offers security capabilities, micro-segmentation, and network virtualization. Cisco ACI provides centralized management, automation features, and integration with Cisco hardware, making its features more robust for complex environments.
Room for Improvement: VMware NSX needs better documentation and simpler configuration processes. Cisco ACI should focus on reducing setup complexity and addressing its steep learning curve. Users find Cisco ACI documentation less problematic compared to VMware NSX.
Ease of Deployment and Customer Service: VMware NSX is easier to deploy due to straightforward setup and strong customer support. Cisco ACI's deployment is complex, but excellent customer service helps users manage its intricacies. Both products benefit from effective support services that mitigate deployment challenges.
Pricing and ROI: VMware NSX is more cost-effective with lower setup costs, appealing to budget-conscious businesses. Cisco ACI, though more expensive, offers better long-term ROI due to its advanced features and significant network performance improvements.
Efficient utilization leads to cost savings and efficiency gains.
The technical support from Cisco is satisfactory.
When issues occur, the TAC is not able to provide much support, leading to difficulties in finding RCAs.
Cisco has a Customer Experience team and other professional services coming in, so their support seems to be good.
They were always helpful.
They are quick and understand things easily, so the support is aligned very effectively.
The technical support from VMware NSX deserves a rating of seven out of ten.
The solution offers high performance and scalability with connectivity options up to 100 GS.
The scalability of Cisco ACI supports our organization's growth effectively.
Expanding your network or your data center with Cisco ACI is not an issue; scalability is a good feature.
There is a high level of satisfaction with its ability to scale.
For stability, Cisco ACI rates a nine or 9.5 because I've seen three customers using Cisco ACI and once deployed, the solution is very stable.
Cisco ACI is stable in my experience.
The product performs at 99% efficiency without any showstoppers or significant issues.
For stability, I would rate VMware NSX as a nine out of ten.
What we need is something called RAG, or retrieval-augmented generation. If Cisco can implement that to utilize customer-specific data instead of general knowledge, while ensuring data privacy under GDPR laws, I think that will result in very good, reliable output.
Their lack of on-ground offices can result in business losses.
We do not make use of its visibility and analytics features, as we are mostly using it for the networking part only.
The initial configuration and integration within our existing environment were not easy.
The pricing for the product is another area for improvement as I'm not satisfied nowadays.
The licensing model is expensive and could be more flexible, especially after Broadcom bought VMware.
In general, Cisco ACI is on the higher side; it's not a cheap solution.
Cisco's pricing tends to be on the higher end compared to other vendors.
Regarding pricing, setup costs, and licensing for Cisco ACI, I observe that it is on the more expensive side.
The cost of VMware NSX is considered high.
The complexity is too high in terms of price.
There is room for improvement in terms of pricing.
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.
Instead of taking days or multiple days for a deployment of a server or application, they can do it immediately within minutes because all the configuration templates are already there in the control plane.
With the Cisco ACI fabric, you manage them as a whole, and it's an automation-driven solution, with our network development team integrating with the APIs to establish workflows for observability, fault alerts, monitoring, and more.
Micro-segmentation enhances security and provides more secure data in your data center.
Consistent networking and security policies across different environments have a major and very positive impact on our business operations, allowing us to achieve the security posture we want with compliance and regulations.
I value the ability to dynamically configure our network on the fly using VMware NSX.
| Product | Mindshare (%) |
|---|---|
| Cisco ACI | 25.0% |
| VMware NSX | 27.3% |
| Other | 47.7% |


| Company Size | Count |
|---|---|
| Small Business | 22 |
| Midsize Enterprise | 19 |
| Large Enterprise | 89 |
| Company Size | Count |
|---|---|
| Small Business | 34 |
| Midsize Enterprise | 23 |
| Large Enterprise | 70 |
Cisco ACI provides centralized management of data centers offering automation, flexibility, and integration capabilities for enhanced network efficiency. It streamlines application deployment and network management with programmability and scalability, supporting multi-tenancy and security integration.
Cisco ACI empowers data centers with advanced infrastructure management through automated system controls, micro-segmentation, and tenant isolation. Its programmability simplifies network operations, enabling seamless interactions with VMware and other APIs, while the Service Graph facilitates traffic redirection. Although users find its complex interface challenging, they appreciate ACI's adaptability in component addition, which ensures future scalability. Enhancements are desired in cloud integration and ease of use. Licensing concerns and demand for better third-party product integration are noted, alongside aspirations for comprehensive technical support and cloud platform compatibility.
What are the key features of Cisco ACI?Cisco ACI is implemented extensively in data centers, enhancing network configuration, and supporting application deployment across sectors. It simplifies system migration and supports multi-site connectivity, enabling centralized control and automation in both virtual and physical environments.
VMware NSX empowers organizations with micro-segmentation, advanced security, and flexible networking, facilitating seamless integration across environments. Known for enhancing security and stability, it streamlines networking through automation and centralized management.
VMware NSX is a premier solution for network virtualization and micro-segmentation, offering robust features such as distributed firewalls, load balancing, and network extension capabilities. It efficiently integrates with VMware Hypervisor, ensuring controlled networking within hybrid and multi-cloud environments. Automation, dynamic routing, and centralized management are key strengths, contributing to enhanced security and compliance with regulations. Though widely appreciated, there's room for improvement in scalability, cloud integration, and more user-friendly orchestration. Its pricing and complexity during setup are notable challenges, and better support response times are desired. Leveraging VMware NSX, many organizations enhance internal security, benefit from disaster recovery and facilitate smooth migration to public clouds, further aiding network management across diverse platforms.
What are the key features of VMware NSX?In telecommunications, VMware NSX is implemented to streamline network management and service delivery. Financial institutions benefit from its security features for compliance with regulations, while healthcare organizations utilize it to ensure data protection and streamlined operations across hybrid cloud environments.
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