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Questions tagged [middleware]

The tag has no usage guidance.

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0answers
36 views

decouple business logic from supporting logic

To prevent business-logic functions from being bloated with supporting-logic* of shared concerns (e.g. authentication, authorization, logging, profiling, ingress rate-limiting) many backend frameworks ...
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1answer
113 views

Message Broker vs. iPaaS

Does anyone have suggestions/recommendations/guidance they can offer on when to use a message broker like RabbitMQ/Kafka vs. an iPaaS solution like Mulesoft/Jitterbit/Dell Boomi/Workato? Can they ...
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1answer
57 views

How does the concept of http middleware differ from events?

I've been thinking about the most optimal way to implement middleware in my web application and it got me thinking, how is middleware any different from events? Let's say that before a controller ...
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1answer
43 views

Is it a good idea to pass an URL as a parameter for a pass through service?

I'm developing a service in node JS that will act as a middleware for a client calling a third party API. My service will make some security and user roles checks before calling the third party. So ...
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0answers
69 views

In Middleware paradigm, how do you transfer resources from one step to the other?

What would be the right way, according to the Middle-ware paradigm/design pattern to transfer resources (like connections to some IO devices). It is not part of the Request, and it is definitely not ...
2
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1answer
159 views

How to convey object hierarchy when object is converted to json for updates?

I have some classes being serialized via frugal (this is an open source extension of Thrift). The primary reason this is relevant is that the serialization process is out of my control and needs to ...
0
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1answer
36 views

SOA with dynamic forms

When building a Service Oriented Architecture (because the services will be used by automated systems or other consumers), how can I go about creating a simple, dynamic form-based web frontend for ...
1
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1answer
311 views

Contract decoupling on microservices

I am not trying to launch a Microservices vs SOA debate but I find hard to understand the following statement: "Microservices architecture does not support contract decoupling, whereas contract ...
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4answers
384 views

What is a “streaming app”, exactly?

I'm trying to get past all the hipster, pie-in-the-sky buzzwording and address a very simple, fundamental question: What is a streaming application? According to the Kafka site "Kafka is used for ...
1
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1answer
208 views

Is the word “Dependency” used correctly in DI?

The word "Dependency" is used a lot in programming. But I think we might be using it wrong in many ways. I will use "Dependency Injection" in this post as an example. According to the Dictionary.com, ...
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2answers
126 views

Advice on using middleware to phase out legacy ERP system

I would like to know if any of you have any experiences and advice you'd like to share about middleware systems? A little background first: the company I work for is based entirely on a closed ...
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3answers
2k views

What is the difference between AUTOSAR and DDS?

I am wondering what is the difference between DDS and AUTOSAR. As I know, both of them are communication middlewares. AUTOSAR WAS originally proposed by a group of car manufacturer that's why I guess ...
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0answers
740 views

How to persist a session cookie in a PSR7 request/response middleware?

I am building a package that implements native-like sessions in a PSR7 middleware architecture. I created a middleware which is responsible to create and persist a session cookie. The session is also ...
2
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1answer
158 views

Best Possible Way To Write Unit Tests For HTTP Middleware

I am using this go library(https://github.com/abourget/goproxy) to create a custom proxy server app. The app is utilizing several middleware of the following form: MyMiddlewarFunc(ctx *goproxy....
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2answers
922 views

Are hooks really subsumed by Slim Framework middleware?

I've been using the Slim Framework (v2) for a little while now to develop my user management system. They recently released Slim 3, and according to the upgrade guide, Slim v3 no longer has the ...
2
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2answers
273 views

How system integration happens with an ESB?

Assume I have two different software sub systems and I need to interconnect them through an Enterprise Service Bus. What sort of modifications do I need to make in the existing systems to integrate ...
2
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1answer
2k views

What is the middleware (if any) in web-service consumed by a website?

I am trying to identify the parts of an architecture. The server (Python) acts as a web-service, delivering files and data. The client (JS) requests the data which it needs by sending xmlhttprequests ...
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2answers
987 views

Middleware dependencies

I'm trying to convert a legacy PHP app to use the middleware paradigm, similar to connect/express.js. I've started porting the code into separate middlewares so that every feature is neatly self ...
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2answers
3k views

Is CORBA outdated? [closed]

I'm just learning about midleware in class, and our teacher has told us about CORBA. Doing a bit of research, I've found that the last version (CORBA 3) was released in 2002, which seems quite old in ...
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3answers
2k views

have we come full circle with microservices, back to very old school approaches?

In terms of software architecture and design, how do microservices "stack up" (pun intended) against middleware? I'm coming from Java, and it seems like as you move away from straight REST as an API, ...
2
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4answers
3k views

3 tier architecture in .NET web applications

Nowadays most systems are designed as web apps. In the .NET world the famous three tier architecture is usually translated like this. Front End (Web Application) Middle Tier (custom DLLs using an ...
19
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1answer
28k views

Differences between API Gateways and ESBs? [closed]

The company I work for is evaluating some middleware solutions for governace, metering and security of web services. Currently, we're using an Enterprise Service Bus (ESB) for this purpose, but some ...
5
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1answer
153 views

How to Recover from Inconsistent Job State without Database Polling

I'm working on scaling an application which is currently polling a mySQL database to send async jobs to a background processing system. A state machine is being used to keep track of the entities ...
32
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1answer
25k views

Why database as queue so bad? [closed]

I've just read this article, and I'm confused. Let's imagine 1 webapp and 1 distinct application acting as "worker", both sharing the same database. Oh, I said "sharing"..but what does the article ...
7
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4answers
9k views

What is the middleware pattern?

Here's a Ruby poject that implements the middleware pattern. From the description, I have no idea what the pattern is, what it's useful for, and why other solutions wouldn't work as well. What is ...
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2answers
327 views

how to expose certain tables of an internal database on a public site

I have an internal database at my work. At the moment we are using excel to import data, but this is very error prone, so I would like to replace this with some javascript based application which ...
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2answers
2k views

What is the equivalent of Entity Framework in the world of Oracle shops? [closed]

Within the world of developers/firms specializing in building/deploying solutions built around software built/sold by Oracle (aka "Oracle houses"), what ORM middleware is considered as the "industry ...
0
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1answer
254 views

EJB Lifecycle and Relation to WARs

I've been reading up on EJBs (3.x) and believe I understand the basics. This question is a "call for confirmation" that I have interpreted the Java EE docs correctly and that I understand these ...
1
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1answer
542 views

Criteria When Evaluating Middleware

What are some suitable criteria for evaluating a list of Companies complimentary middleware? I am doing a trade study on several Company's middleware implementations and so far I have came up with the ...
0
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2answers
6k views

Application vs middleware development in android [closed]

I have 1 year and 6 months of experience on Android. All of my experience has been into application development. Recently I have got offers from two companies. One is offering me a profile to work on ...
0
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1answer
556 views

Selling middleware

I am close to completion of a useful suite of tools for 2D game development (with mobile platforms in mind), for working with sprites and animations. Can anyone advise the best way to sell and ...
3
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3answers
382 views

What scenarios are implementations of Object Management Group (OMG) Data Distribution Service best suited for?

I've always been a big fan of asynchronous messaging and pub/sub implementations, but coming from a Java background, I'm most familiar with using JMS based messaging systems, such as JBoss MQ, HornetQ,...