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.

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55 views

Web API Design advice

I am developing a Web API as services layer for a ASP.NET web forms application. There are two controllers ContractorController (gives details about the contractor) and PaymentsController (gives ...
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65 views

Calling Web API vs adding reference to underlying dlls

This is more of an Architecture question, and I want to know all the possible pros and cons of the approach. In my org, we have an ASP.NET Application say "A", a Web API Project say "W", and ...
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79 views

Micro-services architecture and reporting services?

as I understand it micro-services are autonomous and have complete control over their own data and therefor each micro-service has a dedicated database. I was wondering what would be the approach to ...
2
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346 views

Why does the .NET framework have no concept of classes as first-class types?

It's well known to those familiar with the history that C# and the .NET framework started out as essentially "Delphi rewritten to feel like Java," architected by the chief developer behind Delphi, ...
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515 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 ...
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108 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 ...
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46 views

Economics of scaling, denormalizing NoSQL for personalized content

I am using Cassandra for a data intensive app. With relatively little operations and deployment experience, the expertise I am looking for is someone that can read the example below and decide whether ...
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57 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 ...
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87 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 ...
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113 views

Program Architecture: How to manage objects that are interdependent

Consider the following case, image I making a simple chat program; I want it to be extensible such that it would be fair easy to add add different scripting and user interfaces. I want the core ...
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108 views

Distributed vs Centralised configuration

We're building an app based on Flux/React - and we're trying to establish a scalable pattern for configuring routes and registering dependencies. The two approaches we have can be broadly categorised ...
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64 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 ...
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101 views

Design for an application framework that will allow each implementation to customize parts of the UI

I am tasked with designing an application framework that will allow each implementation to customize parts of the user interface. One such example would be that the implementation (let's call it ...
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49 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 ...
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119 views

Diagram to show code responsibility

Does anyone know how to visually diagram the ways in which the flow of control in code passes between code produced by different groups and how that affects the amount of code that needs to be ...
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154 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 ...
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95 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 ...
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138 views

How to securely store user credentials from external website

I'm developing an application where I'd like to use credentials from external websites. This will be used to login with the website API and get information for the user. Example: I want to use the ...
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394 views

Is OAuth (2.0) is the right choice to make WCF WebService secure?

I have WCF webservice which serves to various mobile application. This was implemented with typical HTTPS/SSL. But there are some cases like Replay Attack needs to be considered in the security ...
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72 views

Where to set the model in this design (service-provider pattern)?

we are modelling an application using the "Service-Provider" pattern, where the service will offer a generic functionality implemented by different providers registered on the service. The ...
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8 views

How to consume inconsistent REST API with Mongo DB backend?

We are using a third party REST API and we are building one of the pages on our ASP.NET site around the data it delivers. We get results in JSON, and interact with it mostly using .NET MongoDB Driver. ...
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17 views

moving Data mining model from “lab” to production environment

I am designing the architecture of an analytics system . I have a data mining ensemble model developed in scikit learn . I want to move this to the production environment so the new incoming data can ...
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20 views

Approaches for updating a WebGrid using Ajax-based CRUD operations

I am working on an asp.net mvc 5 web application. And I am planning to get this Grid inside my views:- To have a WebGrid. User can add, edit, delete items using modal popup and ajax-based. Currently ...
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60 views

Service layer - fat service classes?

Let's say that I have a service for Job Offer entity in CRM app. Job offer is related to many many things, so there will be lot of methods on service layer to interact with above. What should be ...
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27 views

Best approach for managing users that are defined inside the active directory , inside my custom application

I want to start a new asp.net mvc5 Personal Appraisals web project. Now I will have a module inside the system for managing users, and adding info such as primary role, secondary role , main skills , ...
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34 views

Design architecture and software for webapp integrating with few other endpoints (Email Server, Jira, CRM system)

In my upcoming project, I need to integrate a webapp with few other endpoints. Main duty of the webapp will be some kind of thin-client for inner JIRA system for company. Moreover, I'll need to ...
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14 views

Entity's creationTimestamp: on first storage or on instance creation?

I'm learning about the basic architecture of business applications, divided in layers like Domain Objects / Entities and a Persistance layer, where we use Repositories. It's in Java, but I guess the ...
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94 views

REST API + “Micrososervices” boundaries

I have a REST API. The fundamentals of the API takes care of two things. Authentication Routes Let's say I was about to do a small service (microservice whatever...) next to the API and have it ...
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69 views

How to scrub Twitter and Facebook posts for many users

I'm making an Rails app that in theory should scrub new posts from the users facebook and twitter accounts and put them in a timeline for an analyst to analyze and determine if they are good or bad ...
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170 views

How best to architect an application using the Azure Service Bus

I'm trying to determine how best to accomplish the following scenario using the Azure Service Bus. I have millions of devices (desktop software, mobile phone apps, etc) that need to have messages sent ...
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27 views

Data serialization architecture, injection on construction vs. on function call

I am creating a data serialization/deserialization mechanism for essentially a persistent storage object. Due to the variety of systems this mechanism could run on, there needs to be a a variable ...
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83 views

What is the integration architecture used by Github for its web interface?

I am amazed by the way Github integrates with different systems like Travis. They are separate companies, but yet Travis builds blend seamlessly everywhere in the Github interface. Yes, i am asking ...
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29 views

Implementing multiple tables for the same entity due to processing power on Client apps

I reached a design/architectural issue on the large application I'm working on, at the point of writing possibles solutions on a chalkboard. Our product consist of a client-server information system ...
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272 views

AngularJS directive architecture: Where to put parameters?

I'm using a charts-Plugin (Morris.js) in my AngularJS application. I'm building a directive for each type of chart. The plugin is called like this: new Morris.Line({ // ID of the element in which ...
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86 views

Web Services of System Integration

I have been assigned to a system integration project. However, I do not understand part of the integration implementation architecture. For example, I have a passport scanner connected to a Windows ...
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85 views

Multitier architecture using API

I have been reading a number of posts and I am leaning towards building an SOA. My main dependencies are: Need to support multiple clients Need individual client environments to not effect other ...
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69 views

Building simulation architectures : Which one to choose?

I am writing a simulation which unites discrete event and continuous system simulation. For example, you can use State Charts, System Dynamics and Queues side by side. Theese will then reduced to ...
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82 views

DDD: How to reconcile a BoundedContext with REST/WebService DTO's?

I'm just starting to learn about DDD, and I'm trying to understand how Bounded Contexts can be reconciled with client facing API's like REST/WebServices that use DTO's. For example: your system ...
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78 views

How to implement 'use case control' object in (iOS) MVC?

In an MVC architecture pattern (for e.g., in iOS) there is a controller per view. In UML there is a concept of having Control object per use case to encapsulate an use case, which may span more than ...
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73 views

Poker software architecture

I have some classes so far. Hand stores information like SB, BB, ante, collection of Players HandState inherits from class Hand. has members like phase {POSTING BLINDS, PREFLOP, FLOP, TURN, RIVER, ...
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54 views

Modelling network and persistent entity representations

I have an app where I need to synchronize some entities (simply download latest versions of entities from server to client). Entity has bunch of text properties and bunch of resource links (referenced ...
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51 views

One huge rails webapp or many small webapps?

We have a huge system to develop, it has 3 main functions: API provider Worker to automated data retrieval Management of data built in workers They all share the same DB, but for scalability ...
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54 views

Make a monolithic architecture in something modular

Currently my architecture is a monolithic block that handles a really specific duty. Now it needs to be generalized. Right now it handles a request and all processes (1 or many) associated to it. ...
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106 views

Schemaless NoSQL RESTful design?

In a recent project; I used MongoDB with MongoEngine (an ORM/ODM for Python). This allowed me to specify schema in a central "Model". My new project I am hosting on Windows Azure; and there is no ...
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88 views

Web-app DAO and server architecture design for service outside LAN

i just need a suggestion what path should i take to educate myself further. Situation: We've got in our company internal (LAN only) application that, among other things, serves something like ...
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37 views

Create a subclass of model for class-based viewmodel creation

Is it justified to create a model subclass just for creation of appropriate viewmodel based on this class. Am I missing something? How to pass data about model into viewmodel?
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58 views

Extracting models into a external dependency

About 9 months ago, I asked a question about creating a service layer for my application. Unfortunately, in the ensuing time, no progress in that area was made, primarily due to time constraints. As ...
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145 views

DRY on API specifcations?

When developing a new RESTful application, I generally: Define tests Define routes [ e.g.: RESTful CRUD; namespaced on /api/users ] Define models [ e.g.: "Users" ] Define forms [ e.g.: in ...
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80 views

Report generator windows service polling database for work

I'm building a new report generator for our in-house survey system. (No I can not use any off-the-shelf software. These are highly customized reports.) I want to use Topshelf to host the generator as ...
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204 views

Entity framework separating entities for product and customer specific implementation

I am designing an application with intention into making it a product line. I would like to extend the functionality across all layers and first struggle is with domain models. For example, core ...