This week’s system design refresher:
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Debugging Like A Professional (Youtube video)
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Load balancer vs. API gateway
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ChatGPT timeline
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Video content material importing on Youtube
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A newbie’s information to CDN
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First, let’s make clear some ideas earlier than discussing the variations.
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NLB (Community Load Balancer) is normally deployed earlier than the API gateway, dealing with site visitors routing based mostly on IP. It doesn’t parse the HTTP requests.
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ALB (Software Load Balancer) routes requests based mostly on HTTP header or URL and thus can present richer routing guidelines. We are able to select the load balancer based mostly on routing necessities. For easy companies with a smaller scale, one load balancer is sufficient.
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The API gateway performs duties extra on the applying degree. So it has completely different obligations from the load balancer.
The diagram beneath exhibits the element. Usually, they’re utilized in mixture to supply a scalable and safe structure for contemporary net apps.
Possibility a: ALB is used to distribute requests amongst completely different companies. As a result of…