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
https://github.com/hnasr/javascript_playground/tree/master/grpc-demo
Resources
https://grpc.io/docs/guides/
Haproxy grpc
https://www.haproxy.com/blog/haproxy-1-9-2-adds-grpc-support/
Nginx grpc
https://www.google.com/amp/s/www.nginx.com/blog/nginx-1-13-10-grpc/amp/
https://grpc.io/docs/guides/concepts/
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