soa

What data/service is where?

What management tools (open source or otherwise) are there to track the location of data, the services that deliver/use that data and the services themselves. If you believe the snake oil a combination of DB, ESB and SOA will deliver anything anywhere, but how do you know what's where. BTW I'm not interested at the WSDL level, I'm thinki...

Is this a known pattern?

I am trying to separate behaviour from data completely in my classes and came up with this simple solution: class ClassAData { public int Property1; public string Property2; public bool Property3; } class ClassA : SomeInterface { public ClassAData Data; //behaviour public int CalculateSomething(int value) {...

What do we mean by 'Variability in Web Services'?

In the era of SOA and Cloud Computing, we often hear the term "Variability in Web Services". I think it means how an implemented web service can be modified to the new requirements of user or geography. Still what would be a good definition of this? ...

SOA Architecture Real-World Samples with .NET

Hi, Any SOA Architecture (n-tier) Real-World Samples with .NET for getting started ? Thanks. ...

wpf - thick client or thin client and what about when wcf comes in to play with SOA!

I usually work on web apps or faceless apps with the occasional winforms utility so I'm in need of some help to clarify my understanding of WPF and terminology. I would term ASP.NET apps as "thin client" apps because apart from some javascript the bulk of the applications work is done on the server. In the same way I would view a WPF ap...

WPF as part of a service oriented architecture

I'm looking into doing a WPF application. I want as much as possible of the business logic to be exposed as WCF services. Has anyone got any experience of doing this / useful links etc ...

Server architecture question. (WCF+NServiceBus)

First of all i will describe current state: Server consists of several WCF services, hosted in one or several win services on diffirent machines. Service responsible for recieving data from diffirent devices. Communication with devices is implemented using sockets. Service instance mode - singleton. Data broker service - respons...

Separation of SOA services

Hi, I am looking to write some webservices. What defines one unit of "service". I note that as apart of one project you can have multiple .svc service files. How do you normally segment your services? For example, a banking app: Would you have one service (.svc) for? Client AddClient(Client newClient) DeleteClient(Client client) A...

WCF and tasks with threading

Hi, I am wanting to write some web services using WCF. I would like to have a "thread pool" in my web service. For example, I have nearly 6gb of data I need to manipulate. I would like the client to call an operation on the webservice and have a new task or thread created. The client is able to call a ListRunningTasks(); and have the ...

BPEL variables initialisation

Is it possible to initialize BPEL variables at the declaration ? if so how ? declaration example : <variables> <variable name="offer" type="xsd:float"/> <variable name="response" type="xsd:string"/> </variables> ...

System Design / Architecture Best Approach

Hi, I have a system, that has 3 general parts to aid my description. 1) DATABASE- to store all tables, this same database will store data for other services as well including a web application, silverlight etc... (Needs to be flexible, if on a remote server, can be exposed via a web service, if locally, can connect locally or via TCP t...

SOA Resource Discovery vs. Service Discovery

I've recently been tasked with performing a comparison of SOA suites. I've been looking into the SOA offerings of jBoss, Oracle, WSO2, etc.., and comparing everything SOA from ESB, application servers, middleware, BPM, goverance and discovery. I thought I had a pretty clear understanding of Service Discovery and UDDI, but in the JBoss do...

download large files from a remote server, how to test for correct file and delivery?

There are 2 servers that are geographically very far from each other. One server does file processing, then saves the processed file in a directory: c:\processed\ Files can be 100-1GB in size. The 2nd server is to download these files. What techniques can I use to check if the file correctly downloaded? Is a checksum all I need to ...

soap vs REST vs JSON in SOA

I writing here to clear my and may be many people 's misconceptions about them... first my question is: SOAP is xml based protocol REST is web based architectural web service JSON is standard but not xml based how can we compare them???? as trio are different things 2nd question is: is REST response xml based only or json based a...

Streaming, Asynchronous, Language Independent technology to transfer Object data

What are the best-practice / industry standard technologies for the folowing requirements Allow transfer of business objects from one client / server to another Language and platform independent Supports Streaming to alow passing large data (e.g. a connected statefull conversation) Is Asynchronous in nature (doesn't block, allows mon...

overview of websphere esb

I have worked with WSDL, SOAP, WS-Addressing, WS-Security, axis1.4, jax-ws, jax-rpc. So I have good understanding of these specifications. Please suggest articles for learning websphere esb from esb basics. ...

Wants an idea of how i can add dynamic jasper to my project..

Hey! Scenario:What my project do right now User Enters his Login and Password through his mobile phone and servlets contacts webservice of Authentication and user gets authenticated with the system in the mean while user is Authorized also i.e What page he is allowed to see. Page appears infront of user on his mobile screen from where ...

WCF objects, multiple IList implementation and serialization errors

Problem: WCF contract objects cannot implement 2 types of lists (ie: List and List). Long-winded explanation: I'm building a WCF service on top of an existing core system, and I'm trying to work out the best way to implement some of my business objects. The core system utilizes interfaces for all business objects - Person management ...

WCF Object Design - OOP vs SOA

What is the proper way to handle polymorphic business objects in a WCF/SOAP world? It seems to me that SOA and OOP are at odds with each other - to expose a clean WSDL you need concrete objects, typically not even utilizing inheritance. On the other hand, presumably in the underlying system, you'll want to follow proper OO design. Wha...

What is SOA "in plain english"?

Hello everybody, Can someone explain in plain english what is SOA all about? I hear SOA here, SOA there but I can't understand exacly what it is and what is used for. Was it something simple concept and later evolved into something huge or what? All documents, including wiki are a bit abstract or maybe I'm an idiot and don't get it. I...