API GATEWAY and Microservices Architecture | How API Gateway act as a Single Entry Point?

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Chapters:
00:00 - What is API Gateway?
01:39 - API Gateway vs Load Balancer
02:45 - Capabilities of API GATEWAY (api composition, Rate limit etc.)
13:02 - API Gateway Design to handle Millions of Requests per second

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#systemdesign #apigateway #softwareengineer #softwaredeveloper #java

[hikarunakamora]

after a decade, video on HLD, I thought the playlist was dead!

[ankeshverma]

I would say you are one of the gems in these over crowded videos on the internet..

[Blaze_Killer]

Thanks for explaining the API Gateway in microservices so clearly You made it really easy to understand how it helps manage, secure, and direct traffic between services. The examples you gave made everything click. Really helpful and practical looking forward to more videos like this.

[Cloudgyan]

Nice Video..We can put Load balancer like Front Door with WAF and Traffic Manager before API gateway(APIM) as well for handling the Multiregional traffic and create the rules on frontdoor if we have region specific API gateway(APIM) so Load balancer can route the traffic to reginal APIM and regional APIM can route the traffic to Specific regional API.I have implemented same solution for one of our very big client and its working excellent for them.

[arshadbagwan]

Load Balancer vs API gate way
Loade balance just distributes api calls across multiple instances
API gate way serves calls to different micro services, it has intelligence to make a differentiate between microserivces.
uses of API Gateway

1. API Composition
Mulitple APIs can be called at same place
2. Authorization
Only one time authorization call is required and it can be serve to call multiple apis
3. Rate Limiting

Throttling, IP based blocking


4. Service Discovery

[chandantalreja]

Best explanation of API Gateway. Thanks, Shreyansh! I hope you start a microservices series soon because I notice that most channels or courses jump directly into implementation without first explaining the theory.

[OleksiiKosiuk]

Excellent video which covers all architectural and cloud aspects of microservices so nice only in 20 minutes! Thank you!

[satish-iv]

bro i am learning cloud but your video made crystal clear for cloud use case of api gateway

[taymurnaeem]

God level explanation, Made whole topic crystal clear. More power to you brother ❣

[areebwadood]

API composition can also be done by GraphQL queries and they allow highly dynamic queries, with minimal data send over the network than a API gateway which sends predefined structure

[TradersLogic]

00:04 API Gateway routes client requests to correct backend services based on API endpoint.
02:43 API Gateway intelligently routes requests based on device type
05:26 API Gateway features
08:11 API Throttling and Rate Limiting
10:52 API Gateway acts as a single entry point for microservices and handles request routing and transformation.
13:37 API Gateway acts as a single entry point for routing traffic to multiple instances of microservices using load balancers.
16:21 API gateway acts as a single entry point for multiple instances of microservices in different availability zones.
18:52 API Gateway routes traffic based on user location and API type.
21:02 DNS-based load balancers distribute traffic intelligently
23:19 API Gateway acts as a single entry point for microservices architecture

[nehasomani]

Thank you, Shrayansh, this was really helpful! :)

[alexeypavlenko]

The best video of API gateway system design. Well done!

[phanindrarao]

Good explaination Shrayansh, thank you for making it so clear

[amanbhagat]

I had also, similar kind of questions related to API gateway (e.g. if API gateway is single entry point, how does it handles requests at scale etc)

You've nicely explained concepts and industry practices related API Gateway.

[aravindgoli]

Very interesting and detailed video on API Gateway! Wow! Liked it! ❤❤❤❤

[akash-kumar]

Take a bow 🙇‍♂️ man. Very well explained ❤😊.

[anshulkupadhyay]

BRO AMAZING VIDEO THAT CLEARED LOTS OF MY DOUBTS. THANKS A MILLION

[आरवी-णभ]

Man you are doing great work in every video...pls keep up the momentum of new videos.

[commonman]

Superb explanation... Pls make more videos on aws services and architectures