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    Rest Api Vs GRPC: Vladimir Dejanović Javaland

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    bengaltiger
    The document discusses REST APIs and gRPC. It begins with an introduction to REST APIs and describes their key aspects like statelessness and use of HTTP. It then provides an overview of gRPC, describing it as a remote procedure call system like RMI and CORBA. The document outlines the various languages supported by gRPC and REST. Finally, it compares gRPC and REST, noting they are both language-agnostic but REST supports more languages, and that schemas are optional for REST but required for gRPC.

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    Rest Api Vs GRPC: Vladimir Dejanović Javaland

    Uploaded by

    bengaltiger
    56 views115 pages
    The document discusses REST APIs and gRPC. It begins with an introduction to REST APIs and describes their key aspects like statelessness and use of HTTP. It then provides an overview of gRPC, describing it as a remote procedure call system like RMI and CORBA. The document outlines the various languages supported by gRPC and REST. Finally, it compares gRPC and REST, noting they are both language-agnostic but REST supports more languages, and that schemas are optional for REST but required for gRPC.

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    javalandgrpcvsrestapi-180313111648

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    The document discusses REST APIs and gRPC. It begins with an introduction to REST APIs and describes their key aspects like statelessness and use of HTTP. It then provides an overview of gRPC, describing it as a remote procedure call system like RMI and CORBA. The document outlines the various languages supported by gRPC and REST. Finally, it compares gRPC and REST, noting they are both language-agnostic but REST supports more languages, and that schemas are optional for REST but required for gRPC.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    56 views115 pages

    Rest Api Vs GRPC: Vladimir Dejanović Javaland

    Uploaded by

    bengaltiger
    The document discusses REST APIs and gRPC. It begins with an introduction to REST APIs and describes their key aspects like statelessness and use of HTTP. It then provides an overview of gRPC, describing it as a remote procedure call system like RMI and CORBA. The document outlines the various languages supported by gRPC and REST. Finally, it compares gRPC and REST, noting they are both language-agnostic but REST supports more languages, and that schemas are optional for REST but required for gRPC.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    of 115

    REST API vs gRPC

    JavaLand Vladimir Dejanović


    13 March 2018

    @JavaLandConf @VladimirD_42
    Let’s Meet

    Vladimir Dejanović

    @JavaLandConf @VladimirD_42
    Let’s Meet

    Vladimir Dejanović

    @JavaLandConf @VladimirD_42
    Let’s Meet

    Vladimir Dejanović

    @JavaLandConf @VladimirD_42
    Let’s Meet

    Vladimir Dejanović and Others...

    @JavaLandConf @VladimirD_42
    Agenda

    @JavaLandConf @VladimirD_42
    Agenda

    REST

    @JavaLandConf @VladimirD_42
    Agenda

    REST

    gRPC

    @JavaLandConf @VladimirD_42
    Agenda

    REST

    gRPC
    gRPC vs REST

    @JavaLandConf @VladimirD_42
    Agenda

    REST

    gRPC
    gRPC vs REST

    Questions

    @JavaLandConf @VladimirD_42
    What is REST?

    @JavaLandConf @VladimirD_42
    REST

    @JavaLandConf @VladimirD_42
    REST

    http://www.ics.uci.edu/~fielding/pubs
    /dissertation/rest_arch_style.htm

    @JavaLandConf @VladimirD_42
    REST
    Client-Server Architecture

    @JavaLandConf @VladimirD_42
    REST
    Client-Server Architecture
    Statelessness

    @JavaLandConf @VladimirD_42
    REST
    Client-Server Architecture
    Statelessness
    Cacheability

    @JavaLandConf @VladimirD_42
    REST
    Client-Server Architecture
    Statelessness
    Cacheability
    Layered System

    @JavaLandConf @VladimirD_42
    REST
    Client-Server Architecture
    Statelessness
    Cacheability
    Layered System
    Code on Demand (Optional)

    @JavaLandConf @VladimirD_42
    REST
    Client-Server Architecture
    Statelessness
    Cacheability
    Layered System
    Code on Demand (Optional)
    Uniform Interface
    @JavaLandConf @VladimirD_42
    REST in real life

    @JavaLandConf @VladimirD_42
    REST in real life

    @JavaLandConf @VladimirD_42
    REST in real life

    @JavaLandConf @VladimirD_42
    REST in real life

    @JavaLandConf @VladimirD_42
    REST in real life
    import org.springframework.data.mongodb.repository.MongoRepository;
    import org.springframework.data.repository.query.Param;
    import
    org.springframework.data.rest.core.annotation.RepositoryRestResource;

    @RepositoryRestResource(collectionResourceRel = "people",
    path = "people")
    public interface PersonRepository
    extends MongoRepository<Person, String> {
    List<Person> findByLastName(@Param("name") String name);
    }

    @JavaLandConf @VladimirD_42
    REST in real life
    import org.springframework.data.mongodb.repository.MongoRepository;
    import org.springframework.data.repository.query.Param;
    import
    org.springframework.data.rest.core.annotation.RepositoryRestResource;

    @RepositoryRestResource(collectionResourceRel = "people",
    path = "people")
    public interface PersonRepository
    extends MongoRepository<Person, String> {
    List<Person> findByLastName(@Param("name") String name);
    }

    @JavaLandConf @VladimirD_42
    @JavaLandConf @VladimirD_42
    gRPC

    @JavaLandConf @VladimirD_42
    What is gRPC?

    @JavaLandConf @VladimirD_42
    gRPC

    gRPC Remote Procedure Call

    @JavaLandConf @VladimirD_42
    Remote Procedure Call

    @JavaLandConf @VladimirD_42
    Remote Procedure Call

    RMI

    @JavaLandConf @VladimirD_42
    Remote Procedure Call

    RMI

    CORBA

    @JavaLandConf @VladimirD_42
    https://grpc.io/img/landing-2.svg

    @JavaLandConf @VladimirD_42
    https://grpc.io/img/landing-2.svg

    @JavaLandConf @VladimirD_42
    https://grpc.io/img/landing-2.svg

    @JavaLandConf @VladimirD_42
    https://grpc.io/img/landing-2.svg

    @JavaLandConf @VladimirD_42
    https://grpc.io/img/landing-2.svg

    @JavaLandConf @VladimirD_42
    gRPC
    C++

    @JavaLandConf @VladimirD_42
    gRPC
    C++ Java

    @JavaLandConf @VladimirD_42
    gRPC
    C++ Java Python

    @JavaLandConf @VladimirD_42
    gRPC
    C++ Java Python

    Go

    @JavaLandConf @VladimirD_42
    gRPC
    C++ Java Python

    Go Ruby

    @JavaLandConf @VladimirD_42
    gRPC
    C++ Java Python

    Go Ruby C#

    @JavaLandConf @VladimirD_42
    gRPC
    C++ Java Python

    Go Ruby C#

    Node.js

    @JavaLandConf @VladimirD_42
    gRPC
    C++ Java Python

    Go Ruby C#

    Node.js Android Java

    @JavaLandConf @VladimirD_42
    gRPC
    C++ Java Python

    Go Ruby C#

    Node.js Android Java Objective-C

    @JavaLandConf @VladimirD_42
    gRPC
    C++ Java Python

    Go Ruby C#

    Node.js Android Java Objective-C

    PHP

    @JavaLandConf @VladimirD_42
    gRPC
    C++ Java Python

    Go Ruby C#

    Node.js Android Java Objective-C

    PHP

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    @JavaLandConf @VladimirD_42
    @JavaLandConf @VladimirD_42
    gRPC vs REST

    Both Language agnostic

    @JavaLandConf @VladimirD_42
    @JavaLandConf @VladimirD_42
    gRPC vs REST

    https://grpc.io/

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    https://grpc.io/

    https://github.com/grpc/grpc-java

    @JavaLandConf @VladimirD_42
    gRPC

    @JavaLandConf @VladimirD_42
    gRPC

    @JavaLandConf @VladimirD_42
    gRPC

    @JavaLandConf @VladimirD_42
    gRPC

    @JavaLandConf @VladimirD_42
    gRPC

    @JavaLandConf @VladimirD_42
    gRPC

    @JavaLandConf @VladimirD_42
    gRPC

    @JavaLandConf @VladimirD_42
    gRPC

    @JavaLandConf @VladimirD_42
    gRPC

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    REST support more languages

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    REST support more languages

    More than 4 types :-)

    @JavaLandConf @VladimirD_42
    gRPC

    @JavaLandConf @VladimirD_42
    gRPC
    IDL

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    Schema is “optional” in REST

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    Schema is “optional” in REST

    REST code or schema first

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    Schema is “optional” in REST

    REST code or schema first

    gRPC is schema first

    @JavaLandConf @VladimirD_42
    ...
    message TransferMoney {
    int32 trans_id = 1;
    int32 from_account_number = 2;
    int32 to_account_number = 3;
    double ammount = 4;
    string message = 5;
    }

    service Bank {
    rpc Transfer(TransferMoney) returns (TransferConfirmation);

    rpc ListenToNotifications(Account) returns (stream AccountNotification);

    rpc RequestTransfer(stream RequestMoney) returns (stream RequestStatus);


    }

    ...

    @JavaLandConf @VladimirD_42
    ...
    message TransferMoney {
    int32 trans_id = 1;
    int32 from_account_number = 2;
    int32 to_account_number = 3;
    double ammount = 4;
    string message = 5;
    }

    service Bank {
    rpc Transfer(TransferMoney) returns (TransferConfirmation);

    rpc ListenToNotifications(Account) returns (stream AccountNotification);

    rpc RequestTransfer(stream RequestMoney) returns (stream RequestStatus);


    }

    ...

    @JavaLandConf @VladimirD_42
    ...
    message TransferMoney {
    int32 trans_id = 1;
    int32 from_account_number = 2;
    int32 to_account_number = 3;
    double ammount = 4;
    string message = 5;
    }

    service Bank {
    rpc Transfer(TransferMoney) returns (TransferConfirmation);

    rpc ListenToNotifications(Account) returns (stream AccountNotification);

    rpc RequestTransfer(stream RequestMoney) returns (stream RequestStatus);


    }

    ...

    @JavaLandConf @VladimirD_42
    ...
    message TransferMoney {
    int32 trans_id = 1;
    int32 from_account_number = 2;
    int32 to_account_number = 3;
    double ammount = 4;
    string message = 5;
    }

    service Bank {
    rpc Transfer(TransferMoney) returns (TransferConfirmation);

    rpc ListenToNotifications(Account) returns (stream AccountNotification);

    rpc RequestTransfer(stream RequestMoney) returns (stream RequestStatus);


    }

    ...

    @JavaLandConf @VladimirD_42
    ...
    message TransferMoney {
    int32 trans_id = 1;
    int32 from_account_number = 2;
    int32 to_account_number = 3;
    double ammount = 4;
    string message = 5;
    }

    service Bank {
    rpc Transfer(TransferMoney) returns (TransferConfirmation);

    rpc ListenToNotifications(Account) returns (stream AccountNotification);

    rpc RequestTransfer(stream RequestMoney) returns (stream RequestStatus);


    }

    ...

    @JavaLandConf @VladimirD_42
    ...
    message TransferMoney {
    int32 trans_id = 1;
    int32 from_account_number = 2;
    int32 to_account_number = 3;
    double ammount = 4;
    string message = 5;
    }

    service Bank {
    rpc Transfer(TransferMoney) returns (TransferConfirmation);

    rpc ListenToNotifications(Account) returns (stream AccountNotification);

    rpc RequestTransfer(stream RequestMoney) returns (stream RequestStatus);


    }

    ...

    @JavaLandConf @VladimirD_42
    ...
    message TransferMoney {
    int32 trans_id = 1;
    int32 from_account_number = 2;
    int32 to_account_number = 3;
    double ammount = 4;
    string message = 5;
    }

    service Bank {
    rpc Transfer(TransferMoney) returns (TransferConfirmation);

    rpc ListenToNotifications(Account) returns (stream AccountNotification);

    rpc RequestTransfer(stream RequestMoney) returns (stream RequestStatus);


    }

    ...

    @JavaLandConf @VladimirD_42
    gRPC
    IDL

    HTTP/2

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    HTTP2 backed into gRPC

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    HTTP2 backed into gRPC

    Extra work “needed” for REST

    @JavaLandConf @VladimirD_42
    gRPC
    IDL

    HTTP/2

    Protobuf 3

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    REST is not JSON over HTTP

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    JSON Proto

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    JSON Proto JSON Proto

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    JSON Proto

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    JSON Proto JSON Proto

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    Protocol Buffer with REST

    @JavaLandConf @VladimirD_42
    Big Difference

    @JavaLandConf @VladimirD_42
    Big Difference

    REST is about
    Resources

    @JavaLandConf @VladimirD_42
    Big Difference

    RPC is about
    Remote Procedure Calls

    @JavaLandConf @VladimirD_42
    Big Difference

    @JavaLandConf @VladimirD_42
    Big Difference

    @JavaLandConf @VladimirD_42
    Big Difference

    @JavaLandConf @VladimirD_42
    Big Difference

    @JavaLandConf @VladimirD_42
    Big Difference

    @JavaLandConf @VladimirD_42
    Big Difference

    @JavaLandConf @VladimirD_42
    Big Difference

    @JavaLandConf @VladimirD_42
    gRPC Code Example

    https://github.com/vladimir-dejanovic/
    grpc-bank-example

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    @JavaLandConf @VladimirD_42
    Wild West
    gRPC vs REST

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    Law & Order


    Wild West

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    Law & Order


    Wild West

    REST

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    Law & Order


    Wild West

    REST

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    Law & Order


    Wild West

    REST gRPC

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    Some questions to ask

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    Who will be consumers?

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    Who will be consumers?

    Mobile / Web / Other?

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    What is the use case?

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    What is the use case?

    CRUD or Other?

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    What are internal policies and rules?

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    What are internal policies and rules?

    Toward frameworks, protocols and others

    @JavaLandConf @VladimirD_42
    gRPC vs REST

    What is the problem


    that you are solving

    @JavaLandConf @VladimirD_42
    Thank You

    @JavaLandConf @VladimirD_42
    Questions

    @VladimirD_42

    vladimir@itshark.xyz

    @JavaLandConf @VladimirD_42

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