SAP AS Java Administration · Load Balancing & Web Dispatcher

The SAP Web Dispatcher never gets a static list of your Java instances. How does it learn the topology and capacity it needs to load-balance, and what minimal config does that require?

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More in Load Balancing & Web Dispatcher

SAP recommends server-based load balancing over client-based. What is the concrete operational payoff that drives that recommendation?

In client-based load balancing, how does a client end up talking to a specific application server, and by which two mechanisms is this realized?

Both the message server method and the SAP Web Dispatcher balance HTTP load. What is the fundamental behavioral difference, and what extra role does that let the Web Dispatcher fill?

Do you download or separately purchase the SAP Web Dispatcher, and which system landscapes can it load-balance?

Why is the message-server HTTP-redirect method not SAP's preferred load balancing approach? Name its practical drawbacks.

For a load balancer, why are stateful web applications the hard case rather than stateless ones?

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