0
votes
0answers
22 views

Architecture for a messaging app

I want to build a messaging app and I'm struggling with architecture here. What I want to achieve: Rest API for registrations/login Chat server itself, i.e. app which will allow clients to connect ...
0
votes
0answers
48 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 ...
0
votes
0answers
77 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 ...
0
votes
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 ...
0
votes
1answer
111 views

SOA: should I always consider it? [closed]

While I think how to direct the future development: Mini-introduction As a fixed rule, I start with SOA (and REST as protocol) then I work on the interfaces (and that interface is a customer of my ...
2
votes
2answers
117 views

Distribution of Event Listeners in a Distributed Service Oriented Architecture

I have a service architecture composed of services that service common areas of the application. Examples of services would be: AccountService (manages client accounts in the system) BillingService ...
0
votes
1answer
125 views

Is ROA a specific form of doing SOA?

I have read somewhere that ROA (Resource Oriented Architecture) is SOA (Service Oriented Architecture) with specific constraints added. SOA is the abstract concept of combining discrete pieces of ...
4
votes
3answers
567 views

How to loosely couple modules in service oriented architecture

We're developing a total solution, and we've chosen service-oriented architecture to loosen subsystems. However, now we have a problem. When customer orders something, Order Subsystem is responsible ...
0
votes
1answer
61 views

Dependencies between services in pipeline [closed]

I am working on creating a new data processing system, where there are multiple steps each fulfilled by different services. For example, there is a scheduling service that kicks of something, an ...
3
votes
1answer
101 views

Assessing Relative Maintainability

We (a contractor, actually) are implementing an off the shelf system to replace a legacy homegrown system for the core domain of the company (designing widgets). Unfortunately both systems will have ...
1
vote
1answer
161 views

ROA on top of SOA [closed]

I already have a stable Service Oriented Architecture for my application which exposes services as API calls. (the verbs) Now, I need to build a Resource Oriented Architecture to expose a RESTful API ...
4
votes
1answer
493 views

Good design for delegates in a service oriented architecture

My problem is quite complex to explain and my English is not excellent, so I hope you can understand my question. In a service oriented architecture there are some modules that own data used by all ...
3
votes
3answers
921 views

Reuse Business Logic between Web and API

We have a website and two mobile apps that connect through an API. All the platforms do the exactly same things. Right now the structure is the following: Website. It manages models, controllers, ...
1
vote
2answers
201 views

Should business services cross bounded contexts?

Firstly, I am following the convention that a bounded context is synonymous to a department, or possibly one department has 1 to many bounded contexts. We have a client consultancy department that ...
3
votes
3answers
1k views

How to use the unit of work and repository patterns in a service oriented enviroment

I've created an application framework using the unit of work and repository patterns for it's data layer. Data consumer layers such as presentation depend on the data layer design. For example a CRUD ...
5
votes
2answers
461 views

Amazon SOA: database as a Service

There is an interesting interview with Werner Vogels which is partly about how Amazon does Service Oriented Architecture: For us service orientation means encapsulating the data with the ...
6
votes
2answers
216 views

how to handle / architect soa when service becomes unavailable?

Say I've got a third-party service called Cool.io that provides a RESTful API but often goes down. My applications consume that API, but when Cool.io goes down, my app really can't do much... but it ...
1
vote
1answer
743 views

Need some critique on .NET/WCF SOA architecture plan

I am working on a refactoring of some services and would appreciate some critique on my general approach. I am working with three back-end data systems and need to expose an authenticated front-end ...
5
votes
5answers
408 views

How do you keep SOA DRY?

In our organization, we've shifted to a more "service oriented architecture". To give an example, let's assume we need to retrieve a "Quote" object. This quote has a shipper, a consignee, phone ...
5
votes
1answer
197 views

Integrating Domain Model Applications - Resources/Guidance

I'm struggling to find guidance on integrating various applications, usually based on a Domain Model architecture. The applications often expose and consume each others WCF services, but this tends to ...
2
votes
3answers
2k views

Why should I use interfaces if the implementation will mostly stay the same? [duplicate]

Possible Duplicate: Why are interfaces useful? In our company we have a service oriented architecture in our asp.net application. We use interfaces for every crap class. Its a huge ...
1
vote
2answers
807 views

Best practice for mapping between data/business/model and etc

What is the best approach to mapping between Entity, View Model or dataContract. For example I've seen the following modelling structures for SOA. WCF -> DataContract distributed to client. ...
8
votes
1answer
1k views

Architecting a modular service application

I'm looking at architecting a new solution that is very modular by nature and would like to create a structure that supports that design to allow for easy future expansion, clear separation of ...