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Practical gRPC

You're reading from   Practical gRPC Build highly-connected systems with a framework that can run on any platform

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Product type Paperback
Published in Nov 2019
Publisher
ISBN-13 9781839211744
Length 169 pages
Edition 1st Edition
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Authors (6):
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Robert Ross Robert Ross
Author Profile Icon Robert Ross
Robert Ross
Robert Ross, also known as Bobby Tables (bobbytables on GitHub, bobbytables on Twitter), is a full-time staff software engineer at Namely, where he works on the architecture team. He writes with Go and Ruby primarily but can swing some JavaScript if needed. He operates FireHydrant on the side while listening to the Hamilton soundtrack an unhealthy amount.
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Carles Sistare Carles Sistare
Author Profile Icon Carles Sistare
Carles Sistare
Carles Sistare (carlessistare on GitHub, CarlesSistare on Twitter) is a challenge trotter eager for projects which offer the opportunity to learn about the most recent technologies. Keeping a close eye on the open-source community, three years ago, he became interested in gRPC, and quickly saw the benefits when it comes to microservice communication optimizations. Since then he has given several talks in France to evangelize gRPC. Carles is a co-founder of OGURY, an ad-tech company based in Paris, where he currently works as Head Architect.
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See other products by Carles Sistare
Joshua B. Humphries Joshua B. Humphries
Author Profile Icon Joshua B. Humphries
Joshua B. Humphries
Joshua Humphries (jhump on GitHub) has been working with Protocol Buffers and building RPC systems and related facilities for over six years. He was first introduced to Protocol Buffers and Stubby (gRPCs forebearer) while working at Google. Afterward, he led a team that worked on protobuf-based RPC at Square, including smart clients in Java, Go, and Ruby that handled service discovery, load balancing, automatic retries, and automatic geographic failover. Joshua has been an advocate of gRPC since its initial release. He continues his work with Protocol Buffers and gRPC as part of an infrastructure team at FullStory, a customer experience management platform. He is a contributor to the Go open-source projects for gRPC and Protocol Buffers, the author of a Go library for Protocol Buffer reflection named protoreflect, and the author of gRPC-related projects open-sourced by FullStory, including grpcurl.
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Backstop Media LLC Backstop Media LLC
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Backstop Media LLC
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David Konsumer David Konsumer
Author Profile Icon David Konsumer
David Konsumer
David Konsumer (konsumer on GitHub, davidkonsumer on Twitter) has been working with open-source for about 20 years, with a strong focus on JavaScript. Before working with Node.js, he used PHP and Python to accomplish his daily programming tasks. He worked at NodeSource, to make N|Solid, Plex, Janrain, and Intel on the App Developer Program website. He also did lots of agency, freelance, and contract work, mostly for the web and cloud-based backend work. He taught programming classes at Free Geek, Portland. David is an advocate for accessible programming and the idea that everyone can learn to code, and it should be easy enough to get cool stuff done. He made grpcnode, node-protoc-plugin, and json2x, useful tools for getting things done with gRPC/protobuf in Node.js. David currently works as Lead of Engineering at Gummicube, an app-store optimization company based in San Jose, running the development department in Portland, OR.
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David Muto David Muto
Author Profile Icon David Muto
David Muto
David Muto (pseudomuto on GitHub, pseudomuto on Twitter) has been writing software professionally for over 15 years and is a strong believer in continuous learning. Over the years he has written production quality code in over a dozen languages, taught application development at George Brown College (in Toronto) and worked on everything from web and mobile apps to low-level systems and RPC services. Hes a serial OSS contributor and the author of protoc-gen-doc, a tool for generating documentation from Protocol Buffers. He also recently published proto kit, a library for building your own protoc plugins in Go. David currently works at Shopify, leading a team that develops highly-available, low-latency, distributed services in the Data Science and Engineering department.
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Toc

Table of Contents (13) Chapters Close

Preface
1. Introduction FREE CHAPTER 2. What is gRPC? 3. What are Protocol Buffers? 4. gRPC basics 5. Star Friends 6. Streaming gRPC calls 7. Advanced gRPC 8. HTTP2 overview 9. Load balancing 10. Service evolution with gRPC 11. Extending gRPC services 12. Debugging gRPC

Frames

A frame in HTTP/2 is the smallest unit data representation. It contains:

  • A frame Header that normally only contains the identifier of the stream that it belongs to.

  • The data content, which can have different formats depending on the kind of data that it contains. Most of the frames may contain a Padding block at the end of the frame, and it is used to obfuscate the length of the frame for security reasons. Here we have some types of frames:

    • DATA: (type=0x0) Contains the payload of the requests or the responses.

    • HEADERS: (type=0x1) Equivalent to HTTP/1.x headers, it is used to open a stream and it basically contains a header block fragment, such as:

      method:  GET
path:    /index.html
version: HTTP/2.0
    • PRIORITY: (type=0x02) Specifies the sender advised priority of the stream.
    • RST_STREAM (type=0x03) Sent for immediate termination of a stream purposes.
    • SETTINGS: (type=0x04) Its purpose is to send the desired configuration of the connection that needs to be established (Enable Push...
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Authors (5)

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Profile icon Joshua B. Humphries
Joshua B. Humphries
Joshua Humphries (jhump on GitHub) has been working with Protocol Buffers and building RPC systems and related facilities for over six years. He was first introduced to Protocol Buffers and Stubby (gRPCs forebearer) while working at Google. Afterward, he led a team that worked on protobuf-based RPC at Square, including smart clients in Java, Go, and Ruby that handled service discovery, load balancing, automatic retries, and automatic geographic failover. Joshua has been an advocate of gRPC since its initial release. He continues his work with Protocol Buffers and gRPC as part of an infrastructure team at FullStory, a customer experience management platform. He is a contributor to the Go open-source projects for gRPC and Protocol Buffers, the author of a Go library for Protocol Buffer reflection named protoreflect, and the author of gRPC-related projects open-sourced by FullStory, including grpcurl.
Read more
See other products by Joshua B. Humphries
Profile icon Carles Sistare
Carles Sistare
Carles Sistare (carlessistare on GitHub, CarlesSistare on Twitter) is a challenge trotter eager for projects which offer the opportunity to learn about the most recent technologies. Keeping a close eye on the open-source community, three years ago, he became interested in gRPC, and quickly saw the benefits when it comes to microservice communication optimizations. Since then he has given several talks in France to evangelize gRPC. Carles is a co-founder of OGURY, an ad-tech company based in Paris, where he currently works as Head Architect.
Read more
See other products by Carles Sistare
Profile icon Robert Ross
Robert Ross
Robert Ross, also known as Bobby Tables (bobbytables on GitHub, bobbytables on Twitter), is a full-time staff software engineer at Namely, where he works on the architecture team. He writes with Go and Ruby primarily but can swing some JavaScript if needed. He operates FireHydrant on the side while listening to the Hamilton soundtrack an unhealthy amount.
Read more
See other products by Robert Ross
Profile icon David Muto
David Muto
David Muto (pseudomuto on GitHub, pseudomuto on Twitter) has been writing software professionally for over 15 years and is a strong believer in continuous learning. Over the years he has written production quality code in over a dozen languages, taught application development at George Brown College (in Toronto) and worked on everything from web and mobile apps to low-level systems and RPC services. Hes a serial OSS contributor and the author of protoc-gen-doc, a tool for generating documentation from Protocol Buffers. He also recently published proto kit, a library for building your own protoc plugins in Go. David currently works at Shopify, leading a team that develops highly-available, low-latency, distributed services in the Data Science and Engineering department.
Read more
See other products by David Muto
Profile icon David Konsumer
David Konsumer
David Konsumer (konsumer on GitHub, davidkonsumer on Twitter) has been working with open-source for about 20 years, with a strong focus on JavaScript. Before working with Node.js, he used PHP and Python to accomplish his daily programming tasks. He worked at NodeSource, to make N|Solid, Plex, Janrain, and Intel on the App Developer Program website. He also did lots of agency, freelance, and contract work, mostly for the web and cloud-based backend work. He taught programming classes at Free Geek, Portland. David is an advocate for accessible programming and the idea that everyone can learn to code, and it should be easy enough to get cool stuff done. He made grpcnode, node-protoc-plugin, and json2x, useful tools for getting things done with gRPC/protobuf in Node.js. David currently works as Lead of Engineering at Gummicube, an app-store optimization company based in San Jose, running the development department in Portland, OR.
Read more
See other products by David Konsumer
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