Small D Class - New version of the micro-services springcloud + between Docker tutorial _4-01 common way to explain the service call

notes

Chapter IV Consumer ribbon and feign combat service and high availability registry


1, between common way to explain the service call
    Introduction: explain the invocation of common services between

        RPC:
            Remote Procedure Call, like call the local service (method) invoked the same server the service
            supports synchronous, asynchronous calls
            to establish a TCP connection between the client and the server, you can set up a time, multiple calls can reuse a link

            PRC small packets
                protobuf
                Thrift
            rpc: encoding and decoding, serialization, links, packet loss, agreement


        Rest (Http):
            http request, support for multiple protocols and features
            low development cost convenience

            http packets large

            java development: HttpClient, URLConnection

Start

Calls between service here generally using http way.