Network Load Balancer

Load Balancing traffic at Layer 3 & 4

Network load balancer​
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Overview

Network Load Balancer(NLB) is built to support the most demanding business applications—delivering ultra-low latency and high throughput at scale. Designed for real-time responsiveness, it efficiently handles concurrent TCP/UDP connections at Layer 3 and 4. Whether you're running latency-sensitive financial apps or high-traffic communication platforms, NLB ensures reliability, fault tolerance, and seamless scale without compromising performance.

It supports Internal and External Load Balancers, enabling optimised traffic distribution within private networks as well as across the public internet. With Geo/Network Load Balancing, traffic can be intelligently routed between multiple sites or regions, ensuring business continuity and enhanced user experiences globally. In addition, NLB integrates robust L3 and L4 Anti-DDoS solutions, protecting your infrastructure from volumetric and protocol-based attacks while maintaining performance and uptime under pressure.

Pricing

To know more about the SKUs and pricing click below.

Core Features at a Glance 

Layer 4 Load Balancing
Distributes TCP and UDP traffic at the transport layer for optimized speed and minimal latency.
High Throughput, Low Latency
Manages millions of simultaneous connections for mission-critical workloads.
Automated Health Monitoring
Continuously checks backend targets and reroutes traffic from unhealthy instances.
Built-In Failover
Instant traffic redirection in the event of a server failure, maintaining service continuity.
Protocol-Aware Load Distribution
Routes based on ports and protocols, ideal for large-scale TCP/UDP applications.
Auto Scaling Integration
Works seamlessly with backend scaling to adapt to real-time usage needs.

What You Get

High-Speed Application Delivery
Ideal for financial services, media, and gaming—where latency equals lost opportunity.
Maximum Uptime
Maintains availability by routing traffic only to healthy backend targets.
Reduced Operational Risk
Mitigates disruptions with continuous health checks and automated failover.
Cost-Optimized Operations
Prevents overprovisioning while supporting peak performance.
Accelerated Time to Market
Launch and scale services faster with preconfigured options and fast provisioning.

Still have questions?

A high-performance service that distributes incoming TCP/UDP traffic across backend servers for optimized speed, uptime, and fault tolerance.
By balancing concurrent connections across healthy targets, it prevents overload and reduces response times—key for real-time applications.
Absolutely. NLB supports both protocols and is ideal for workloads that demand raw speed and consistent throughput.
Traffic is automatically rerouted to healthy targets—ensuring business continuity and minimizing service impact.
Yes. Whether it’s fintech, online gaming, or VoIP—NLB is tuned for ultra-low latency and high reliability.
Yes, NLB can seamlessly integrate with microservices cluster like K8s for auto provisioning of VIPs.

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