Web services are software systems designed to support interoperable machine-to-machine interaction over a network.

learn more… | top users | synonyms

1
vote
2answers
304 views

RESTful Backend - How coupled should my back end and front end be?

I'm creating a web application with a front end client written in angular as well as a back end that I'm writing in Django (there are reasons I picked the frameworks but they are irrelevant to my ...
1
vote
1answer
57 views

What is really a resource?

I'm starting to study about web api's and REST and I'm having a hard time to understand what is really a resource. Basically the book I'm reading says that a resource is a conceptual mapping to one or ...
0
votes
1answer
32 views

Image uploads - preoptimize with CDN or host on same machine?

I'm working on a personal blog that will be used for reviewing various goods/services and as a dev journal. I'm writing this in Angularjs and Nodejs as a learning experience, but I plan on using it ...
4
votes
3answers
162 views

Pattern for checking online service availability

I'm not sure that this is entirely on-topic, but I'll try to make it so. I have an online service (API) and an Android application that uses it for all actions in the app. At the current moment, ...
2
votes
1answer
249 views

Design Pattern to parse array of objects

What is considered a good practice to parse an array of objects returned by an API? I am creating a RESTfull web service and a client which is meant to work with this service. One of my REST ...
1
vote
1answer
65 views

Securing service calls

I have a ServiceCallContext object that must be passed in as the first parameter of any service call. I would like to put a User object on the context object but I know I can't force the caller to ...
2
votes
1answer
99 views

SOA principles, encapsulation and autonomy

We are developing multiple web services in C# using WCF, but we´re new doing it. So, for what we have read and learnt, this is our approach: We have a class library that we called CommonLibrary ...
2
votes
1answer
95 views

Integration between services in a SOA

Assume we have a Bounded Context for Inventory (InventoryBC) and another one for Shipments (ShipmentsBC). These 2 BCs need to communicate together. They are hosted on 2 different services on different ...
0
votes
2answers
256 views

Saving to file before storing into a database in a REST service

A mobile back-end I am building should receive a larger amount of data (some sensor recordings) from an Android phone. The phone does not have much use of it so it was most efficient to store the data ...
1
vote
1answer
301 views

.NET WCF: Persistent connection or Open/Close as needed?

I have a .NET WCF web service currently running in production right now. I would say 95% of the time it works flawlessly and as intended. However; there are times when I am throwing an exception that ...
4
votes
2answers
102 views

Is it a good idea to have a database row that represents an unknown value within a system [closed]

We have two systems, System A imports a list of sports events from system B, it only wants to import the events we will be providing live data for, the filter used to hide events that we are not ...
1
vote
0answers
376 views

Separation of web server and stateless REST API

Currently, I have a single Node server that provides both (a) stateless API routes returning JSON, and (b) session-based web routes. My API routes and web routes have started sharing a lot of code, ...
-1
votes
1answer
77 views

Send Emails Via APIs or Code?

I am Using SendGrid to Send Emails to my Users. There are two ways to send emails via SendGrid. 1 - Via APIs 2 - Via Program/Code I want to know which one is More Secure and efficient way. I am ...
0
votes
2answers
1k views

Clients connect to WCF or SQL Server

I was wondering what is the prefered way of accessing data from a server in a client application. The data will be stored on the server in an SQL database and I have previously used the following 2 ...
0
votes
1answer
76 views

Database vs. server-sided scripting language [duplicate]

To keep my question short and to the point, consider this: $relation = $mysql->query("SELECT relation($loggeduser, $requesteduser) AS a")->fetch_assoc()['a']; if ($relation != BLOCKED) { ...
1
vote
0answers
89 views

Multiple API Calls on Web Server

I am trying to build a Tumblr Site that makes API calls to Social Network sites and return data and render on the Tumblr Site. And the thing is Tumblr doesn't allow PHP on their HTML Editor. So my ...
21
votes
4answers
4k views

Why is it so bad to read data from a database “owned” by a different microservice

I have recently read this excellent article on the microservice architecture: http://www.infoq.com/articles/microservices-intro It states that when you load a web page on Amazon, then 100+ ...
3
votes
2answers
939 views

How do I set up a micro-services architecture that can take advantage of a common, centralized security service?

I've obviously heard a lot about the Micro-Services Architecture and think it makes a lot of sense (especially with the success stories of Netflix). I'd like to implement a small Grails application ...
4
votes
1answer
241 views

Should I hide fields in REST resource representations based on the user's security role?

What is the best practice for exposing different fields for a resource based on user's role/ACL privileges in the system? Let's say I have an endpoint, groups/{:group_id}. My business rules state ...
3
votes
2answers
128 views

Service Oriented Architecture - Component Responsibility

Working on an ecommerce project whereby a PHP application (back-end & non-customer facing) is currently responsible for processing an order from checkout stage through to generating profit/loss ...
1
vote
0answers
76 views

single app and multiple distributed service versions

The problem that I have is with versioning of a single mobile application (created with Cordova) and the WCF web services that it consumes. Situation: The latest version of the mobile app is always ...
0
votes
1answer
125 views

How do different technologies connect to form a web stack? [closed]

I am a little confused, is it possible to implement a front end using common languages like html, css and javascript and then do server side processing using a language of your choice, say python or ...
0
votes
0answers
109 views

Creating a user-customizable web api

Technologies: Javascript for $http call, ASP.NET Web API, MSSQL for data retrieval Web API will return array of widget objects with following properties: WidgetId, WidgetAttribute1 Bool, ...
0
votes
0answers
180 views

How to micro-ify the middle tier in a Microservice Oriented Architecture?

Just read Fowler on Microservices and definitely recommend it. A big thing that is missing from this paper/approach is how to decompose the client-tier into "micro apps". By that, here's what I mean: ...
0
votes
4answers
138 views

Using email as a web service [closed]

I am looking for some arguments for or against a given solution. A public facing webserver hosts an aspx form and, based on user input, places the content of the form in XML within an email body. ...
0
votes
1answer
334 views

What are the reasons to execute a WebService from SQL?

I was looking at some examples on how to call a Web Service from SQL Server. And all of them show very unreadable code, that I imagine would be a nightmare to maintain. So, the main question is why ...
0
votes
0answers
131 views

When to use a message queue as a web service database?

Does it make sense to implement a message queue system such as RabbitMQ or Kafka for the purpose of storing data in a queue? For example, this could be done in order to handle things such as ...
8
votes
1answer
451 views

how to implement idempotent webservice calls

I'm developing a wcf based solution for a webservice layer that "occasionally-connected" mobile devices will be using. The service will not be using queuing (at this stage) due to the additional ...
3
votes
2answers
250 views

Data Access Layer with Asynchronous services like MQ

I am tasked with creating a development, design and architecture guide for a large multi-year project. I have to dictate best design practices for a number of architectural perspectives. See the ...
5
votes
1answer
106 views

How to design URIs to initate batch jobs in a RESTful service

If I want to run a job at the end of the month to calculate the commission for all the sales consultants based on the current transaction data, eg commission rate for the person, sales done in the ...
-1
votes
2answers
200 views

What was used to consume api's before webservices? [closed]

Most of the companies that offer public api these days do it through a web service. What was used before web services were popular? For example, if a company wanted to release a c# public api would it ...
3
votes
1answer
147 views

How to efficiently implement this background processing chain?

I am working on an audio software that uses The EchoNest web service to identify and retrieve metadata about audio songs and I would like to have some advice on implementing a background processing ...
1
vote
1answer
1k views

Best practise to versioning Web Service WCF

I've a web service SOAP developed with WCF, there is a best practise to versioning it? when I change the contract I don't want to update all the client's referiments but I want simply publish a new ...
1
vote
4answers
375 views

How to ensure multiple clients don't poll the server at the same time?

I am making an android app which will talk to a web service to get data. The web service has a rate limit of 100 calls per minute. Is there a way, recommended method to ensure that the app across ...
0
votes
1answer
160 views

How to host a web service with dependencies on many APIs/SDKs which expose methods in different languages

A project I'm working on currently depends on several SDKs and APIs that perform identical tasks, but for different external products. For example, in an Internet of Things world we have a common ...
1
vote
0answers
40 views

Reliable way to generate a token in a SOAP webservice

Legacy SOAP service here at work use a token authentication. The flow is: As first step I call the startSession method passing username (say myUser) and password (say myPWD) as parameter. At this ...
0
votes
1answer
61 views

Speed up dynamic content delivery [duplicate]

Imagine a website operating from the US, providing some web services to customers around the world. Sometimes is takes up to 200ms just to establish a connection between Australia and US. It's ...
3
votes
1answer
1k views

Public API Facade with Micro Services

Consider a micro service infrastructure in which each service is responsible for one set of activities, and exposes a RESTful interface to its functionality. For example, assume a chat application. ...
5
votes
7answers
1k views

Are mutliple database calls really significant with a network call for a web API?

At one of my employers, we worked on a REST (but it also applies to SOAP) API. The client, which is the application UI, would make calls over the web (LAN in typical production deployments) to the ...
1
vote
2answers
163 views

Client / Server dependencies with Continuous Integration

I'm starting to use continuous integration for one of my projects and had some questions about structure and architecture. It's basically a multi-device webservice that is split into one server ...
2
votes
2answers
756 views

Is RESTFUL API as back-end service one of the best (or suitable) choice for Mobile App? [closed]

I have a background on .NET development, recently I was asked to code back-end service for a mobile app. I had experiences on MVC, and now I'm trying to understand more on Restful Web API. My ...
0
votes
1answer
129 views

Single database, multiple system dependency

Consider an environment where we have a single, core database, with many separate systems using this one database. This leads to all of these systems have a common dependency, which ultimately ...
0
votes
1answer
312 views

Implementing a modern web application with Web API on top of old services

My company has many WCF services which may or may not be replaced in the near future. The old web application is written in WebForms and communicates straight with these services via SOAP and returns ...
0
votes
2answers
145 views

Open Source Service Discovery

I'm trying to wrap my head around this article on OSS service discovery and I'm having a tough time seeing the forest through the trees. In that article, the author poses the main problem for service ...
0
votes
2answers
408 views

Which pattern is suitable to send multiple type of responses through REST web service?

I have bunch of REST style web services which support XML and JSON type responses. Now I have to modify existing web services such that they provide Protobuf type of responses. Developer who has ...
1
vote
1answer
172 views

Should my internal MVC/MVVM application use Web Services for Persistence?

Just talking about internal applications or intranet web apps... At some companies I've seen their business-logic piece (Model in MVC/VM in MVVM) on one (or both) sides of a Web Service. And on the ...
1
vote
1answer
728 views

WCF vs Web API, Deeper details? [closed]

Before I continue, I just want to mention I have heavily researched and searched on this topic, but I need the opinion of people who have worked/and or have practical knowledge with regards to this ...
1
vote
1answer
182 views

Should I separate a web api from the webserver?

Lets say I'm building a site similar to this or Quora (or some arbitrary blog-like site). I need a real-time component that will be using web-sockets/long-polling to notify the user of new posts, ...
0
votes
1answer
250 views

Problem : Certificate for multi Clients of WCF

If My WCF service have big number of clients through the Internet,then whether should all of them share the same Client Certificate(X509)? And if their certificates should be unique , what should I ...
0
votes
1answer
143 views

X509 certificate question on WCF

My condition: A WCF service which is self-hosted and it's on a Win8 Machine. Client is a WPF Program on another machine. Then I follow the article on Codeproject about how to set X509 certificate ...