api gateway microservices

The API gateway Ocelot uses Polly to handle some failures. In the process of implementing the API Gateway, another issue that needs to be considered is part of failure. This problem occurs in distributed systems when one service calls another service and times out or is unavailable.

1,orange Gateway Orange is a openresty-based API Gateway. In addition to the basic functions of nginx, it can also be used for API monitoring, access control (authentication, WAF), traffic screening, access speed limit, AB test, dynamic shunt and so on. It has the following characteristics:Provides a set of defau

What is the role of the Pi Gateway component?1. Gateway directly replaces the controller layer in MVC, reducing the amount of coding to improve development efficiency2. Unified API interface of the access parameter format, improve the friendliness of the API3. Automatic detection of API interface specifications, improv

guava-19.0 google-collections-1.0 have Immutableset class, package path is also consistent, the former has copyOf (Collection)?First, the application error:Ii. SolutionsConfigurations.all {Exclude module: ' Logback-core 'Exclude module: ' Logback-classic 'Exclude module: ' Google-collections '}Third, restart the applicationComparing pre-and post-generated dependenciesGradlew Dependencies > Dependsx.txtNo Google-collections-1.0.jar.Problem Solving!Api-

PHP Development API Gateway, forwarding request with curl appropriate? Is there any other way? Reply content: PHP Development API Gateway, forwarding request with curl appropriate? Is there any other way? Curl can be used, but the performance is not known. PHP has socket support. The best method Nginx, n

Label:1. Start and connect the OAG OAG when connecting, except not select analysis, the others are selected, and then launch the gateway instance and NodeManager. The command is as follows: /$OAG _home/apigateway/posix/bin/startinstance-n "Gateway1"-G "Group1"./nodemanager The output is: Start Policystudio $OAG _home/oagpolicystudio/oagpolicystudio, and connect to the server Enter the password at the time of installa

return {code:403, Message:forbidden} When using the admin Ops API to get user list Get/admin/user by official documents Here are two questions: the first user list request is as follows: Get/admin/metadata/usersecond, you need to configure the metadata read permissions for the administrative user: Radosgw-admin caps Add--uid=admin--caps= "Metadata=read"Bottom line: #You must use Get/admin/metadata/user to fetch the user list (with metadata capabi

the key to expire and verify that the timestamp expires, such as 60s.3 If yes, this key is already used within 60s, this request can be judged as replay request.3. Program Flowhttp://www.xxxx.com?userid=123username=zhangsantimestamp=1480556543nonce=43f34f33 sign=80b886d71449cb33355d017893720666In this request, UserID and username are the business parameters that really need to be passed, and timestamp,nonce,sign are used for signing and anti-replay.Timestamp is send request time, nonce is rando

Prior to entering the Kong-ui, the address of the Kong service needs to be configured by default for the first loginGo to the API menu and click on the + signFill in the relevant information as requiredBy doing so, you can use suchHttps://your.domain.com:20802/CommonOpenAPI/HMAC_SHA1EncodeRequest? Text=x-date%3a%20wed%2c%2001%20mar%202017%2005%3a05%3a24%20gmtsecret=secret7496charset=utf-8Such a URL is requestedAPI

1. Register as a developer (tenant function, Lu Zhou)Developer ID, developer signature key, developer signature keyDevId, Devkey, Devsecret2. Application for approval of user (tenant function, Lu Zhou)Tenant Approval Content: Version (cannot be changed), Svcuser (not required, can be changed)Tenant Filter providesTenant Verification Token validity (tenant signing request)3, Signature Algorithm introduction (Liang Sangi)4, the engine side of the request signature, request authentication, (Liang S