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.

208 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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1answer
1k 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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4answers
329 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
590 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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3answers
368 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
160 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 ...
3
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0answers
375 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
157 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
64 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 ...
3
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0answers
119 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 ...
3
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0answers
5k 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 ...
3
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0answers
220 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 ...
3
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0answers
443 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 ...
3
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0answers
224 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-...
3
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0answers
308 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 ...
3
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0answers
100 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 ...
3
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0answers
93 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 ...
3
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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 ...
3
votes
3answers
2k 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 ...
3
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1answer
682 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 ...
2
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0answers
51 views

How to approach large amounts of data to be stored and mapped?

I am developing an iOS application that plots a large number of locations on a map, I have selected a data structure that is suitable for the pins on the map, though I am stuck on an approach for the ...
2
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1answer
134 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 ...
2
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0answers
30 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 ...
2
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0answers
95 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 ...
2
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0answers
80 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 ...
2
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0answers
52 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
112 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 ...
2
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0answers
169 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 ...
2
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0answers
92 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, ...
2
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0answers
138 views

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 ...
2
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0answers
347 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 ...
2
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0answers
49 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 ...
2
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0answers
401 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 ...
2
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1answer
153 views

How to best serve zipped HTML packages to global audience

We have a content authoring tool that creates interactive learning activities (imagine a multiple choice quiz) packaged as self contained zip files that contain an index.html css / js / media assets (...
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0answers
663 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 ...
2
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0answers
62 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 ...
2
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0answers
57 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 ...
2
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0answers
335 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 ...
2
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0answers
307 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 ...
2
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0answers
82 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 ...
2
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0answers
978 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 ...
2
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0answers
181 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 ...
2
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0answers
790 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 ...
2
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0answers
211 views

How would one implement communication between an input device and a PC?

I'm trying to get started on a side project using a mobile device (tablet or smartphone) as an input device to a PC. In its most simplest form, I envision using the mobile device touchscreen to ...
2
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0answers
121 views

Integrate MS Dynamics AX with Play Framework

In my company we use MS Dynamics AX 2009. This is the ERP of the company. We have around 100 users. The servers of MS Dynamics AX are in the headquarters company. We are developping a new website ...
2
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0answers
446 views

Should I use SignalR to synchronize & cache CRUD data to a mobile app?

I'm considering using SignalR to send data to a mobile app, but need to have a way to synchronize data while it's closed or pending updates. Is it a good idea to use Backbone.js <--> SignalR to ...
2
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0answers
245 views

Video conferencing server architecture

I am developing a video conference application with the following requirements: Audio works like call conference, where all participants may talk at the same time. However, video works like ...
2
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0answers
493 views

Validation and Authorisation in Domain Models and Carrying that through a Service Layer to MVC

With the current project I'm working on there's an architecture question being asked which feels like it might just be asking too much. System Basics: HTML/JS MVVM Asp.net MVC Web Services EF SQL ...
2
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2answers
257 views

Should audit records have their own id?

I'm creating audit tables to track changes made to some of my crucial tables and I'm wondering whether there's a point to history rows having their own id. Here's how my interfaces look like: public ...
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0answers
99 views

Circular dependence and many references to the same object

I have tried to design a class diagram for my first game. But then I realized that there are some ugly parts. First, there is reference from StateSystem to State and from State to StateSystem. The ...