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by nl 5080 days ago
load balancers aren't meant to just be "HTTP routers". they can definitely be used as such for smaller applications and do a good job at it, but a real load balancer needs to be quite complex, being able to adapt to the underlying applications that make use of it

I think Poul-Henning Kamp is fairly well qualified to discuss what load balancers do.

(And yes, load balancer are fundamentally HTTP Routers. Yes, sometimes they do content manipulation etc, but all those features are add-ons to the basic use-case)

1 comments

Perhaps Kamp is qualified to discuss what some 'load-balancers' do...

The proxy developers have always had their doubts about SPDY (you can see them when @mnot first proposed it as a starting point)

Terminating SPDY at the HTTP Router makes a lot of sense architecturally but I know some orgs don't terminate SSL at the load-balancer due to the licensing costs.

Ultimately we need load-balancing options and someone to develop the opensource proxies (haproxy, varnish etc.) into more sophisticated offerings.

Perhaps they'll be a SPDY module for Traffic Server