Questions tagged [architecture]

The high-level design and description of a software system. Architectural design distills away details of implementations, algorithms, and data representation to concentrate on the interaction of "black box" components.

313 questions with no upvoted or accepted answers
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Write data to SQL Server directly from BizTalk or use external service?

An external source will be sending us XML data that BizTalk will pick up and transform into an internal schema. We need this data to be loaded into a SQL Server database as we're going to expose some ...
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2answers
2k views

Loose Coupling Presenter to View in MVP

We work in a Java shop here and our web application uses an implementation of the MVP architectural pattern. Our manager comes from a .NET world, where he has been exposed to the MVVM design pattern. ...
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What is the best way to manage a class with lots of properties?

We have one table meta where there is key and value so each of the row represents one component or service and then we have api system which manages the metas database. And it was going pretty well ...
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5answers
447 views

Context separation in microservices

I work in a small company and we are about to delve into the Microservices world. As expected, we are hitting a few bumps. Let us focus on a small bounded context: work order. This bounded context is ...
4
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0answers
582 views

Using distributed locks in microservice environment

I'm developing distributed system and trying to use best practices of microservice architecture. I was faced with a situation when I think I need something like distributed locks. Since I have not so ...
4
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3answers
3k views

Is caching Access Tokens on the back end of a Web Application a good idea? (access_token storage best practices)

Let's suppose we have a Web Application that uses an Open Id Connect service provider, the Web Application uses the Authorization Code flow to get access to a different API, and therefore gets an ...
4
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1answer
2k views

Handle localization in microservices architecture

I'm developing a multi culture application with different microservices, The microservices communicate with each others with integrations event, so when a new record is inserted the owner of the data ...
4
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0answers
59 views

Suggestions for data structure to create extrapolation?

I'm trying to write good code to make extrapolation on economic data and I have a hard time finding an efficient/ingenious way to do it. (to have a nice code that can be used in a different way later ...
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0answers
78 views

Design synchronous wrapper around async process

I'm building a Spring-Boot API that will serve a system that requires synchronous behavior despite the API doing async operations. I'm not too familiar with threads and I'm thinking this might be the ...
4
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0answers
126 views

Sharing identical events, with differing scopes, between client and server libraries, in a micro-service architecture

I have a shared user repository (id, name, e-mail, password, etc.) exposed as a REST service - and multiple independent websites accessing this REST service (from the back-end) as a means of sharing a ...
4
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0answers
6k views

Assembler vs Entity Translator and Entities vs DTO

I was hoping that someone could explain the exact difference between an Assembler and Entity Translator. Martin Fowler describes the Assembler as a sort of Mapper(?) which converts DTOs into Domain ...
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0answers
223 views

Architecture: mobile apps for different clients with their own dbs different servers?

My general feeling is that this is a question which must have been answered but I am struggling to find resources for it. I know little about mobile app dev but my knowledge of web services is pretty ...
4
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0answers
456 views

Separate settings and implementation class hierarchies

We use XML serialization to store class settings. Each setting-class has (but doesn't reference) corresponding implementation-class. Therefore we can easily make a "settings dll" without any ...
4
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0answers
229 views

Web framework architecture with non-blocking I/O

There's been a lot of news in the enterprise world lately, specially in the web, and I've decided to build a small web framework on top of Netty to learn more about asynchronous programming and event-...
4
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0answers
337 views

Global Accounts in Multi-Tenant Authorization System

Our system is fundamentally a multi-tenant setup, where each client maintains a separate database with its own data and users. The authentication system on login issues an authentication token which ...
4
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0answers
1k views

Architecture design for Java servlet that triggers work (for sending push notifications)

I'm designing a push notification server (for pushing notification via APNS and Google servers) and have come up with the following design for a Java based web application server. I would really like ...
4
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0answers
106 views

IRLBot Paper DRUM Implementation - Why keep key, value and auxiliary buckets separate?

Repost from here as I think it may be more suited to this exchange. I'm trying to implement DRUM (Disk Repository with Update Management) as per the IRLBot paper (relevant pages start at 4) but as ...
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0answers
610 views

Decoupling of Model and API (in an .net WEB API Project)

I currently have one separate project for my models, and one separate project for a API application that consumes this model. The intention of the separation is to avoid any outgoing dependencies from ...
4
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0answers
96 views

Adding new service to authenticated website

So I've created an API that I want to leverage to add some functionality to an existing web app. My current website authenticates users using SAML. What I'm looking to do is instead of moving the code ...
4
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0answers
2k views

Entity Framework - Loading Related Entities Explicitly

I have been using Entity Framework for a few years. I have flip-flopped between calling out to repositories in my business logic or using lazy loading to retrieve data as I work my way through the ...
4
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3answers
3k views

Designing a Feed and Notification system in MongoDB

I'm developing a NodeJS API that will be consumed, for now, by an Android app. I need 2 important things here: a News Feed and a Notification system. And I need it to be scalable. I'm using ...
4
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1answer
896 views

Design for syncing data from remote API

I am trying to find a robust and correct solution for syncing data from different sources to my local relational database. I have different sources of data for eg: CSV, REST API and probably network ...
4
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3answers
409 views

Pattern for endpoint that routes requests?

I am building a service that will push notifications to many other services. It has a couple of different notification types that each consumer may care about, but likely will not care about all of ...
3
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1answer
85 views

Separation of concerns and other best practices across Controllers, Services, Providers and Stores in ASP.NET when building a REST web api

I am traditionally a desktop app developer, but circumstance has thrust me into the role of doing web client and corresponding REST api logic for a project I am involved in. Unfortunately, I'm a one-...
3
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1answer
175 views

Where should I implement Ports with Hexagonal Architecture?

I have been doing some research on the Hexagonal/Ports & Adapters architecture. For the most part, it makes a lot of sense. My initial understanding was that "Driver Ports" were to be implemented ...
3
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0answers
44 views

Scalable QT/ C++ Architecture advice

I am working on software which supports different hardware device generations. With each software release all device generations are supported, what means that each device generation is also tested. ...
3
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0answers
204 views

Understanding layered architecture: are these layers in a Nestjs application really decoupled?

I'm creating a new project usin Nestjs, which I'm really starting to like. I cannot figure out though, what the right way is for separating Business layer and Application layer. Following the ...
3
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0answers
83 views

Architecture and Security in a Web/Native app while generating PDFs

I am trying to make a system where a user can view/download his statements (say salary slips). The user will have ability to download PDF versions of these statements and can also save them to Google ...
3
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1answer
151 views

Design question on synchronization of two asynchronous data streams

I have two async streams suppose- Trip : {tripId, date, city} Bill : {billId, tripId, date, amount}. I need to design a system to get real time aggregated view of following nature: City, TripCount, ...
3
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1answer
396 views

DDD / Onion architecture in JavaScript

One reason I like .NET is because the 'solutions' and 'projects' lends themselves to good architecture. Good architecture makes it easy to follow the happy path of Domain-Driven Design. I've fallen ...
3
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0answers
580 views

Authorization, permissions, and scoping resources in a microservice/DDD architecture

I'm building a microservice-based application (services according to DDD) and am about to implement authorization service. There are API gateways and UI applications that access backend servers, and ...
3
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0answers
43 views

Designing provisioning strategies

I'm trying to redesign a provisioning application that administrates other application through their REST API. The application is quite simple, we have groups, we have users and roles and we have a ...
3
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0answers
133 views

Data processing pipeline design for processing data

I have a use case for which I need to build a data processing pipeline Customer contact leads data coming from different data sources like csv, data base, api has to be first mapped to a universal ...
3
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0answers
86 views

Multi Domain and Channel Architecture optimal place for decisions?

I am struggling with some web application which is quite big and messy. There are several Domains that land on the server. domains can have a "channel" and every channel should use different ...
3
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0answers
467 views

Microservices and Modular based front end

I'm a software developer, and the kind of developer we call "front end developer". I'm working on stuff like Angular JS, Angular 2 and others. I wanted to know how we can organize our front end code ...
3
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0answers
129 views

Should I build a custom text editor from scratch or enhance existing ones?

I'm developing a Windows WPF app that needs to edit a certain type of document and I need a highly customized editor to do so: The text is a transcription of an audio feed, and I need to sync the the ...
3
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0answers
216 views

How to avoid points of critical failure?

Background We have a ton of GPS devices in vehicles. These devices need to communicate with our system. To achieve this, we need to parse the device's messages before proceeding. The following ...
3
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0answers
140 views

Should I pass presenter to use case when implement clean archeiture using scala

This question came to me when I was trying implement Clean Architecture using Scala, and come across this post. In the accepted answer, @candiedorange emphasis on the separation of responsibility, and ...
3
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0answers
520 views

File upload sync for offline desktop application. (Electron)

We are making an offline desktop application in Electron that needs to sync when the user goes online. Sqlite is used as the database when offline and it gets synced to postgres on the server when ...
3
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0answers
52 views

Layer below Service and NetworkingManager to handle received data

I'm in the early stages of building a cryptocurrency tracking app for iOS and looking for a scalable design. My question specifically relates to the element of the app which retrieves data from an API ...
3
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1answer
816 views

Balance between aggregate boundaries and domain consistency in DDD

Designing an Aggregate and choosing an Aggregate Root getting tricky for me all the time especially when it comes to ensuring right transactional contexts and consistency constraints so I'm wondering ...
3
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0answers
931 views

Python and C++ repository structure

I'm refactoring the directory structure of a large Python repo that has a few dozen C and C++ files littered throughout. Is there a suggested architecture for a Python package that contains C/C++ code ...
3
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0answers
65 views

Sharing tasks among parallel independent jobs

I am getting files on HDFS and I have a legacy java app which checks for new files every 15 mins, does some transformations and write them to some remote server. Now, I am facing scaling issue with ...
3
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0answers
62 views

Handling frequent simultaneous updates in real time

I have seen similar questions and answers here but my situation is a bit different from those. I am building an application which gives users infinite canvas space to draw something. The canvas space ...
3
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0answers
201 views

How to avoid maintaining database context over long periods with the repository pattern (And is this even a sensible Architecture?)

I'm trying to build a 'distributed' data system. My first attempt is built using Entity Framework. Very loosely, it's built around having Element objects, which themselves have a group of Property ...
3
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0answers
353 views

Examples for “serverless” Java service for AWS Lambda

Doesn anybody have practical experience with implementing a (micro)service based on AWS Lambda? My team is currently working on an MVP. We started with a monolith and that has worked very well. It's ...
3
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0answers
353 views

Perfect video processing pipeline?

I'm working on a modular video processing pipeline. It's currently presented as a tree of modules. Each module has a set of "results" and can dynamically request data results from other modules. Each ...
3
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0answers
84 views

Architecture and implementation of a de-centralised web service

I'm a web programmer with several years of experience in RoR and node.js. I have a project idea that is quite big and I need some input in how it can be achieved. I heard of the Diaspora project, and ...
3
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0answers
185 views

Embedded tomcat cold deployment without service disruption

I have the following scenario. For various reasons I chose to use embedded tomcat for my rest backend that will form a cluster of AWS machines. I will want to deploy fairly frequently updates ...
3
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0answers
835 views

How does the Zope Component Architecture (ZCA) relate to Service Component Architecture (SCA)?

I'm very new to the principle of Service Component Architecture and Zope in general, but the more I look, the more ZCA seems to be a good solution for a certain class of problems I often encounter. I ...

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