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Good Traffic: Load Balancing with Citrix ADC

good-traffic
Written by:
Jewel Obada
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The Cost of Downtime

We all know the frustration of watching a loading screen buffer longer than usual; it might even crash. Unavailable sites can easily be any business’s worst nightmare. The downtime could leave important operations handicapped.
That’s why, in the early 2000s, Citrix ADC entered the application delivery market. It intends to optimize, accelerate, secure, and intelligently distribute network traffic for web applications.

Citrix ADC: A Modern Traffic Conductor

Citrix ADC, originally known as Netscaler, ensures application availability, regardless of where the application is hosted or how users connect, by acting like a sophisticated application switch.

Load balancing is one of its many capabilities; distributing client requests across multiple servers using algorithms like:

  • Round Robin 
  • Least Connection
  • Least bandwidth
  • Source IP hash
  • Custom Load Method, etc.

The methods ensure no single server becomes overloaded, enabling consistent performance across fluctuating traffic conditions.

 A fool-proof resource would say it’s a conductor with a plan. It supports a wide range of protocols, maintains the same server for client requests, and performs extensive health checks for the servers. 

Balancing Load, Enhancing Experiences

Sitting between clients and servers, the  Application Delivery Controller (ADC) ensures requests are routed to the best available resource.

Sudden surges, spiky loads, and unpredictable spikes in user requests can crash unprepared systems and drown web applications in latency. In real-world deployments, the benefits are clear, with;

  • Up to 60% reduction in downtime caused by server overloads
  • 35–40% improvement in app responsiveness for content-heavy applications 
  • Increased capacity to handle 10+ million requests per second on high-end platforms. 

When done right, load balancing turns the chaotic flood of requests into “good traffic”.

What Makes Traffic “Good”?

It can be compared to a vehicle that makes no sudden stops. Good traffic considers server health, bandwidth, latency, and client context. Like a car gliding through open roads, the route is clear and the engine’s running smoothly.

At Converge, we understand good traffic is directed and never chaotic. We help businesses shift from traffic chaos to traffic clarity. By deploying the Citrix ADC, we are keeping our customers’ systems running and available while creating the kind of traffic that has momentum.

Security without Compromise

Beyond the efficiency it provides, the Citrix ADC is a security powerhouse. It protects backend systems with advanced L3–L7 DDoS mitigation, ensuring continuous availability during multi-vector attacks. 

In customer case studies, Citrix ADC has been credited with mitigating dozens of large-scale DDoS attacks annually, without service disruption. Thanks to its behavior-based filtering and threat detection, built directly into the delivery fabric.

Efficiency for Businesses and the Environment

Let’s talk numbers. Businesses using Citrix ADC have reported up to 25% savings in cloud resource costs, with smarter traffic routing and dynamic scaling. 

Features like SSL offloading and intelligent caching reduce CPU usage, allowing servers to handle more traffic with less strain. That’s not just a performance boost, it’s an environmental shift. Enterprises can do more with less power, hardware, and carbon. 

According to a recent test conducted by Tolly, Citrix ADC uses 1/3 less CPU compared with F5 when processing traffic with WAF enabled. More effective use of the CPU means Citrix ADC can process more HTTPS requests. Tolly also reported that Citrix ADC can handle up to 1.85 billion more HTTPS transactions in a day, compared with F5. 

You don’t need 10 servers running at max capacity when 5 efficiently balanced ones can do it better.

Conclusion

If your organization depends on responsive, available, and optimized applications, then managing traffic is not optional; it’s critical. Whether you are scaling globally, cutting infrastructure costs, or improving user experience, Citrix ADC, supported by Converge, gets you there.

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    Converge Global Concept Technologies Limited is a technology services organization that specializes in the deployment of mission-critical technology systems, solutions and services. Our vision is to become the African leader in Information Technology solutions delivery.

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