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- ALB supports HTTP, HTTPS, TCP, and SSL, while NLB supports TCP, TLS, and UDP.
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Sep 16, 2024 · Almost all protocols differ between ALB and NLB and are used for different use cases. The only similarity is when using HTTPS (ALB) and TLS (NLB), where both load balancers support encrypted traffic and TLS termination at the load balancer level.
- Application Load Balancer
- Alb Features
- NLB Features
Application Load Balancer is a layer 7 load balancer. It loads and balances HTTP requests. When a client opens a connection to the load balancer, ALB reads and identifies HTTP requests and distributes the HTTP requests across backend targets according to your rules. Now, let's take a closer look at the key features and capabilities of each load bal...
Application Load Balancer (ALB) Content-based routing: As mentioned above, one of the key features of ALB is the ability to route traffic based on the content of the request. This means that you can use ALB to route traffic to different target groups based on the path, host header, or other request attributes. Protocol support: ALB supports a wide ...
Network Load Balancer (NLB) Performance:NLB is designed for high performance and can handle millions of requests per second. It uses a connection-based routing algorithm that ensures that traffic is evenly distributed across targets. Protocol support:NLB supports TCP, TLS, and UDP protocols. It is particularly well-suited for applications that requ...
- Yusuf Adeyemo
Jun 16, 2019 · Protocols: HTTP, HTTPS. Protocol versions: HTTP/1.1, HTTP/2, gRPC. Target Types: Instance, IP, Lambda. With ALB, it is a requirement that you enable at least two or more Availability Zones.
Support for Modern Protocols: ALB supports HTTP/2 and WebSocket protocols, essential for real-time, bidirectional communication. Integration with AWS Services: ALB integrates seamlessly with various AWS services like AWS WAF, AWS Auto Scaling, and Amazon CloudWatch.
Jun 22, 2022 · The ALB only supports HTTP/1.1, HTTP/2, or gRPC. So when clients use a different protocol to connect with your application, you need to use the NLB instead. For example, all scenarios that are using UDP do require an NLB. Also, when you want to use HTTP/3, the NLB is currently your only choice.
- Andreas Wittig
ALB is ideal for applications that require advanced routing capabilities and support for multiple protocols, while NLB is better suited for high-performance applications that need to handle millions of requests per second.
Aug 28, 2023 · 🔸 Application Load Balancer (ALB): Layer 7 Load Balancer. Routes traffic based on HTTP/HTTPS headers, URLs, and other request parameters. Supports path-based routing and host-based...