soa

Service Oriented real world sample application in ASP.NET

Hi, I've read lots of articles about Service Oriented architecture. Is there any real world sample application which is imeplemented in ASP.NET? Thanks ...

SOA service calling back a client

This is more a theoretical question than a practical one, but given I undestand the principles of SOA I am still a bit unsure about if this can be applied to any app. The usual example is where a cliente wants to know something from a server thus we implement a service that can provide that information given a client request, it can be ...

Setting up WCF Proxy for SCOM

What is the easiest way to forward error information from non-microsoft servers via web services to SCOM(through WCF proxy?)? I would like to set up a pretty generic management pack and have everything flow through that. I have not found a good setup example project for this. Is there a good example somewhere? ...

Designing an API - will this approach work?

First off - new to programming and know very little about API design. That said, I'm creating multiple web apps against a layer of web services and a shared data layer. The approach is simply to create several different types of functionality - i.e. user profiles, status updates, file uploads, rss feeds, etc... where each row in the va...

Which tools and methodologies are you using for logging and auditing on SOA Ecosystems?

I'm not clear about this and I would like to hear from you about tools and methodologies that you're using for logging and auditing within SOA Ecosystem? Which directions can I go? I believe in the following strategy: UI applications should log user actions: this source is about all about administration issues with clear human message...

How do I create an SAP interface to pull some data from our webapplication?

We have a Java web application built on a relational database and we would like to create a SAP module to pull some data in from this application into SAP. What would be involved? My understanding so far is that we would need a Java web-dynpro interface built to import the data from our web-app using SOA. Also, looking for a vendor who...

SOA Data Contract Patterns. I am sure the framework I am using introduces redundancy, anyone care to enlighten me?

I'll start in the way most people seem to have taken to, on here.... So I was.... Nah thats gash. I'll start again (might lose a few points for not being straight to the point but wth) Right, I have inherited a framework which utilities WCF to provide some operation and data contracts. This might be irksome to some, but I haven't...

"Facade" terminology question

I have terminology/modeling question about representing components in a service. Consider.. Scenario A: ICatalogService --exposes--> PublishingManager.Publish ICatalogService --exposes--> RetrievalManager.Retrieve Scenario B: ICatalogService --exposes--> CatalogManager.Publish ICatalogService --exposes--> CatalogManager.Retrieve D...

Good idea or bad idea, to use non-deterministic ordering of xml elements in the output of a REST service ?

Hash.to_xml and other such Railsisms may result in element orderings being different in the output of a REST service. XML Elems are order sensitive, so this would not be a problem for JSON or XML attributes. What aspect of service definition best practices is this breaking that makes me think it is a smell ?? ...

Are there some best practices when it comes to object graph serialization using WCF?

I am using WCF with Entity Framework v4 and using POCO entities. Our entities have a large number of related entities. One object can have many children objects of a different type which then in turn of many children of different types. For example a Car has 1 or many drivers. Each driver has 0 or many children. Each child then has 0 or ...

Channels for Java, J2EE, C#, asp.net and SOA

What are the Freenode irc channels for Java, J2EE, C#, asp.net and SOA? Thanks in advance..:) ...

SOA Question: Exposing Entities

I would like to incorporate SOA pattern in my 3 tier structure. I created a Service layer (WCF Host) between the BLL and the UI. My structure setup is now looks like this UI <> WCF <> BLL <> DAL <---[Entities] ---> The problem is, I have my entities in separate DLL (ANd it was visible in ALL Layers except on the UI) Now, I ne...

application completely SOA?

Is it wise to build a large application entirely based off SOA? Or just some portions? User account logins, accounting, gis mapping, sales, etc? In other words, would it be wise to build a GUI to such an application in HTML & Javascript which does all it's exchanges via ajax to .NET web services on the back-end? I can't see it worth ...

How to Protect a private REST API

I'm currently thinking how I could protect my REST API which is used only by my mobile application from being used by other applications? Could a API-Key be a good solution, because just me know the secret API key. Is there a better solution? ...

Why are CRUD operations so bad in a SOA design?

I have just finished reading an article on MSDN by John Evdemon. He bashes the CRUD interfaces and calls it an anti-pattern. While I agree that having ANYTHING stateful is difficult and Current and MoveNext are bad ideas I don't agree that CRUD as in Create Read Update and Delete are bad. If I have a car service and I want to let client...

Which book for SOA with .net?

The topic of our undergraduate project is SOA. Under this project we are supposed to build 3 service components and one example website that uses those components. I am quite good with Java and have no experience whatsoever with C# or .NET. We have decided to do project in C#.NET. I found SOA with .NET & Windows Azure by Thomas Erl. As ...

SaaS, develop Rest or SOA architural style?

Hi i am starting a research how architetural style i will use, to build a medium CRM SaaS, many books authors recommends use SOA, but SOA can be complex, and REST is simple style. so what yours recommend? Have any cases sucess with these 2 architertural styles with SaaS? ...

Transaction management in Web services

Our client follows SOA principles and have design web services that are very fine grained like createCustomer, deleteCustomer, etc. I am not sure if fine grained services are desirable as they create transactional related issues. for e.g. if a business requirement is every Customer must have a Address when it's created. So in this case...

Web service client design pattern (best practice)

Hi all, I have a web service deployed and ready to use. The client application is going to use this service synchronously and extremely frequent. The amount of data returned from the web service is also considerable. The web service client is a web application (liferay portlet). I have generated the client part with axis inside eclipse...

SOA/WCF dissecting the system & service boundaries

I'm building a system which will have a few channels feeding different clients (MonoDroid, MonoTouch, Asp.Net Mvc, REST API) I'm trying to adopt an SOA archetecture and also trying to adopt the persistence by reachability pattern (http://www.udidahan.com/2009/06/29/dont-create-aggregate-roots/) My question relates to the design of the...