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<YOUR NAME>

<YOUR TITLE>

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Moving to Microservices

getUserInfo()

getDirections()

renderMap()

analytics()

https://pixabay.com/en/laptop-computer-open-screen-blank-310098/

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Moving to Microservices

getUserInfo()

Server

getDirections()

Server

Stub

renderMap()

Stub

analytics()

Server

Stub

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Challenges

with Microservices

  • ..and more
  • Debugging
  • Monitoring
  • Streaming Data
  • Language Interoperability
  • Security / Authentication
  • Data De/Serialisation
  • Network Communication Speed

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Image: http://www.google.com/about/datacenters/gallery/#/tech/20

​

gRPC is the next generation of Stubby

​

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Protocol Buffers

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Protocol Buffers

IDL (Interface definition language)�Describe once and generate interfaces for any language.

Data Model�Structure of the request and response.

Wire Format�Binary format for network transmission.

​

​

​

​

​

syntax = “proto3”;��message Person {

string name = 1;� int32 id = 2;� string email = 3;�� enum PhoneType {� MOBILE = 0;� HOME = 1;� WORK = 2;� }�� message PhoneNumber {� string number = 1;� PhoneType type = 2;� }�� repeated PhoneNumber phone = 4;�}

​

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Service Definitions

service RouteGuide {� rpc GetFeature(Point) returns (Feature);� rpc RouteChat(stream RouteNote) returns (stream RouteNote);�}

​

message Point {� int32 Latitude = 1;�� int32 Longitude = 2;�}

​

message RouteNote {� Point location = 1;� string message = 2;�}

​

message Feature {� string name = 1;� �Point location = 2;�}

​

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Protocol Buffers

HTTP/2

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HTTP/1.1

HTTP/2

HTTP/2

https://http2.golang.org/gophertiles

https://blog.golang.org/go-programming-language-turns-two_gophers.jpg

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HTTP/2

HTTP/2

HTTP/1.x

  • Multiplexing
  • Bidirectional Streaming
  • HTTPS

Dominik Brygier - Essem - Traffic at Night

https://www.flickr.com/photos/80857060@N05/11341378133 (Cropped)�https://creativecommons.org/licenses/by/2.0/

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HTTP/2

  • Multiplexing
  • Bidirectional Streaming
  • HTTPS

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HTTP/2

  • Multiplexing
  • Bidirectional Streaming
  • HTTPS

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Protocol Buffers

HTTP/2

Multiple Languages

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C/C++

Java is a registered trademark of Oracle and/or its affiliates. Other names may be trademarks of their respective owners.

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Multiple Language Support

Ruby Service

gRPC server

Go Service

gRPC server

gRPC Stub

Java Service

gRPC Stub

Python Service

gRPC server

gRPC Stub

Java is a registered trademark of Oracle and/or its affiliates. Other names may be trademarks of their respective owners.

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Who is using gRPC

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Want to learn more?

Documentation and Code

Help and Support

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STOP!

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Common Questions