gRPC (gRPC Remote Procedure Calls) is an open source remote procedure call (RPC) system initially developed at Google in 2015. It uses HTTP/2 for transport, Protocol Buffers as the message format.

⏰ Timecode ⏰
0:00 Intro
04:30 Motivation behind gRPC
8:40 The problem with client libraries
16:40 gRPC Modes
17:20 Unary
17:40 Server streaming
18:30 Client streaming
19:10 Bidirectional
19:49 gRPC Coding Example!
57:00 gRPC Pros and Cons
01:12:30 Why you shouldn’t invent your own Protocol


In this video I want to explore gRPC, go through examples, pros and cons of gRPC.


Client/ Server communication
- SOAP
- HTTP (REST)
- WebSockets
Client Libraries
gRPC
gRPC Demo
- todos
gRPC Pros and Cons
Pros
- Fast two/uni and request
- Unform
- One library to rule them all
- Progress feedback( long synchronous requests) drop pluggable wait...)
- cancel request
- All benefits of H2 and Protobuff

Cons
- schema based (not everyone wants schema)
- Thick client - limited languages - Proxies still don’t understand it
- Still young
- Error handling
- No native browser support
- Timeouts, circuit breaker just like any RPC (pub/sub rules in this case)

Can you create your own protocol?
- Spotify example with Hermes


Source Code
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Resources

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Haproxy grpc
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Nginx grpc
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Stay Awesome,
Hussein

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