A10 Thunder ADC vs Citrix ADC (now NetScaler)
A10 Thunder ADC
a10networks.com
Citrix ADC (now NetScaler)
netscaler.comSide by side
| Figure | A10 Thunder ADC | Citrix ADC (now NetScaler) |
|---|---|---|
| Price from | — | — |
| Free plan | — | — |
| Free trial | Yes | — |
| Open source | — | — |
| Linux | Yes | Yes |
| API | Yes | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 1 | 3 |
| Spec score · Load Balancing Software | 8.7 (#2) | 7.4 (#9) |
| Integrations | The product page names Terraform and Ansible for CI/CD integration, TKC and HashiCorp NIA with Consul for Kubernetes service discovery, and Prometheus/Grafana for monitoring. | Listed integrations include AWS, Microsoft, Google, IBM, Oracle, Kubernetes, Terraform, Ansible, Rancher, Splunk, Prometheus, Grafana, and Elastic. |
| Intended users | A10 describes Thunder ADC as intended for SMBs, large enterprises, service providers, and cloud operators managing mission-critical applications. | NetScaler says it serves enterprises scaling customer-facing applications and organizations using Citrix virtual apps and desktops. |
| Purpose | Thunder ADC is an application delivery controller and Layer 4–7 load balancer designed to protect critical applications, maintain server availability, and accelerate content delivery. | NetScaler is an application delivery and security platform for high-performance application delivery, application and API security, and end-to-end observability. |
| Security | The product includes web and DNS firewall capabilities, single sign-on, DDoS protection, and support for advanced encryption including PFS and ECC. | Its listed security features include web application firewall, API protection, and bot mitigation. |
| Support | A10 says its technical assistance center uses follow-the-sun support, and customers with a valid Thunder or AX Series support contract can download current software releases and receive product updates. | The three subscription options listed on the pricing page include software support and on-demand training. |
Plans
Citrix ADC (now NetScaler)
- Citrix Platform LicensePriced on request
- Citrix Universal Hybrid Multi-Cloud LicensePriced on request
- NetScaler Fixed-Capacity LicensePriced on request
In their own words
A10 Thunder ADC
A10 Thunder ADC is an application delivery controller and advanced load balancer for distributing workloads, maintaining server availability, protecting applications, and accelerating content delivery. It balances traffic at Layers 4–7, offers customizable service health checks, and supports aFleX scripting. Global Server Load Balancing can direct traffic across data centers and clouds for continuity and localized responses. Deployment options include hardware, virtual appliances, cloud, bare metal, and containers. Performance capabilities include caching, TCP optimization, and TLS/SSL offloading; security features include single sign-on, CAPTCHA, web and DNS firewalls, and DDoS protection. The REST-based aXAPI interface is described as providing 100% API coverage. Named integrations include Terraform and Ansible for CI/CD, Kubernetes service discovery through TKC or HashiCorp NIA with Consul, and Prometheus/Grafana monitoring. Pricing is on request. A 30-day trial license is listed for vThunder and public cloud offerings; container trial details require contacting A10 Sales. The container edition lists OpenShift 4.16 and minimum requirements of 4 vCPU and 16 GB memory.
Citrix ADC (now NetScaler)
Citrix ADC, now NetScaler, is an application delivery and security platform for high-performance traffic management, application and API protection, and end-to-end observability. Its delivery features include load balancing, intelligent traffic management, SSL/TLS offloading, dynamic scaling, Kubernetes ingress, and multi-cluster routing. Security capabilities include a web application firewall, API protection, and bot mitigation. Management options cover ADC monitoring, infrastructure as code, intent-based configuration, Next-Gen API, and NITRO APIs. NetScaler is available as a virtual machine (VPX), container (CPX), bare-metal deployment (BLX), or single-tenant (MPX) and multi-tenant (SDX) hardware. A common code base and single management plane support management across hybrid and multi-cloud environments. Listed integrations include AWS, Microsoft, Google, IBM, Oracle, Kubernetes, Terraform, Ansible, Rancher, Splunk, Prometheus, Grafana, and Elastic. The Platform License has unlimited throughput; the Universal Hybrid Multi-Cloud License includes 1,000 Gbps; Fixed-Capacity defines instance counts. Prices are available on request.