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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4
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1answer
265 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. ...
3
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1answer
47 views

Pattern to use to relate multiple data sources to different user data widgets

I have an client x server intranet application the basically gets data from the server, format it and send that data to the client for display. At the server we are using ASP.NET C# running on IIS ...
2
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1answer
234 views

Where do service implementations fit into the Microsoft Application Architecture guidelines?

The guidelines discuss the service layer with its service interfaces and data/message/fault contracts. They also discuss the business layer with its logic/workflow components and entities as well as ...
2
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1answer
296 views

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 ...
1
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1answer
38 views

Modular Web App Network Architecture

Assuming that I am dealing with dedicated physical servers or VPSs, is it conceivable and does it make sense to have distinct servers setup with the following roles to host a web application? ...
1
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1answer
109 views

From a DDD perspective is a report generating service a domain service or an infrastructure service?

Let assume we have the following service whose responsibility is to generate Excel reports: class ExcelReportService{ public String generateReport(String fileFormatFilePath, ResultSet data){ ...
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1answer
62 views

How should a JEE application store credentials for logging in to an external system?

I am in a situation where I have a Web Application (WAR) that is accessing a REST service provided by another application. The REST service uses Basic HTTP Authentication. So that means the ...
0
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1answer
44 views

Which version management design methodology to be used in a Dependent System nodes?

This is my first question so please indicate if my question is too vague and not understandable. My question is more related to High Level Design. We have a system (specifically an ATCA Chassis) ...
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0answers
69 views

Use and manage Front End Assets for Web

I am a beginner and am currently developing a kind of cms using PHP. The number of libraries that we can potentially use in the front end is large. I have a question about properly selecting, ...
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0answers
40 views

Broadcasting - Listening to replies

We use JS by the way, but I think it's language agnostic. I'm open to ideas. We have this "pub-sub" framework that we use at work to fix the problem of tightly-coupled code. Works fine. Modules ...
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0answers
115 views

How does a search functionality fit in DDD with CQRS?

In Vaughn Vernon's book Implementing domain driven design and the accompanying sample application I found that he implemented a CQRS approach to the iddd_collaboration bounded context. He presents ...
2
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0answers
80 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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0answers
81 views

What is a good practice to push notifications in a “near real-time” delay in this case?

I want to enable some real-time notifications about friend's activities (social network). Technical context is: Webapp calling backend (REST API's). Scenario is: Kevin follows Bob. When Bob ...
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0answers
98 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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0answers
54 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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0answers
185 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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0answers
61 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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0answers
361 views

Thoughts on refactoring a generic DAO

I have designed a generic DAO in Java and am having confusion about whether to refactor it to different design or not. PS Don't say to use already existing 3rd person framework. I know there are some ...
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0answers
196 views

Is Pure Fabrication (GRASP) only about 'behaviour' , is it the 'representational gap', or is it about actual 'reality'?

Does Pure Fabrication refer to the increased representational gap only in terms of behavioural responsibilities i.e. the software classes added to the domain model to handle ONLY behaviour, or does it ...
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0answers
133 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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0answers
336 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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0answers
64 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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45 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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0answers
43 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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35 views

What should be used to diagram an application's internal architecture?

I have an application that has several dependencies, including a Matlab library and a Microsoft Windows Media Player ActiveX control. How would I graphically depict the internal architecture of this ...
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0answers
25 views

Organizing an image processing pipeline for on-the-fly video analysis

I'm trying to design a system that performs image analysis on video streams from the internet. I have a few rudimentary ideas for how to organize such a system, and I was hoping you guys could ...
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41 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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38 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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66 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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41 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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42 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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0answers
48 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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0answers
56 views

Best approach for a server configuration data collection and reporting solution from a legacy script?

I have a project which involves collecting config data from windows servers in our (very large) server estate. My manager wants me to collect over 150 data items across all configuration areas ...
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74 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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50 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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0answers
23 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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0answers
55 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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0answers
130 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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201 views

Generic/Dynamic objects in JSF

I'm starting to learn JSF and I was wondering how could I implement the following: I have an instance of Spring that contains several beans for logical and database operations, for example I have a ...
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0answers
65 views

Creating A News Feed with Relevant Data for App

I'm creating an app that currently allows users to create topics, vote in topics, follow topics, and chat in topics. Currently working on creating a News Feed like Facebook or Twitter that brings ...
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0answers
55 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 ...
0
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0answers
137 views

problem with High Cohesion - DRY principle across components

In our company we have to follow a rigid cycle of: Requirement Analysis Document(Use Case Document). Design Document (first High level then Low level) Coding according to the document. Unit Testing. ...
0
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0answers
108 views

Designing the bridge between REST layer to service layer

I am working on a project and would like to expose some rest services. The technologies used are RestEasy, EJB and JPA/Hibernate. I have structured my app so that there is a clear delimitation ...
0
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0answers
148 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 ...
0
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0answers
231 views

Architecture design with MyBatis mappers

I am creating rest web service for providing data. I am using Spring MVC for handling rest requests, and MyBatis for data access. Application should be designed in the way that it should be easy to ...
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0answers
69 views

Software Architecture and MEF composition location

Introduction My software (a bunch of webapi's) consist of 4 projects: Core, FrontWebApi, Library and Administration. Library is a code library project that consists of only interfaces and ...
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0answers
69 views

What are the pros and cons of running multiple instances of an app per marketplace?

One app to rule them all, and in the darkness, bind them. I'm speccing out a client app at the moment. The same service is to be delivered to two separate counties and the the content within: users, ...
0
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0answers
53 views

Layer Encapsulation without Model Overload?

I'm starting a new project, so it's time to re-evaluate how I do things. In the recent past I have created a 3 layer/tier project (UI, Domain, Data) with each tier with it's own separate model. The ...
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0answers
164 views

What is the application architecture for this Nomad / PhoneGap + Azure mobile services?

This channel 9 video describes how to create a Javascript based application in Visual Studio 2010, send it to a packaging service and get the Android APK, (and iphone files, etc) What is not ...
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78 views

TOGAF Application Modelling

TOGAF 9 content meta-model defines the concepts of Application and Technology Component both at the Logical and Physical level. My question is how do EA practitioners usually differentiate application ...