#wcf vs web api

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WCF vs Web API: What to Choose for Your Project?

Comparing WCF vs Web API for developing your project is not an easy task. These frameworks are competing with each other in terms of functionality and approach. Final result of selecting the one for development will greatly affect the project. Here we will see the important features and use cases of WCF and Web API that will help you to choose the right technology for your project development.

What is WCF?

WCF stands for Windows Communication Foundation. It is an effective platform for developing service-oriented applications. It allows developers to create secure, reliable, and also high profile development solutions which can be integrated across platforms and interoperate with existing investments.

HTTP services are easily built with this new framework.

Web API is open source. It is a perfect platform to create REST-ful services over the .NET Framework.

As opposed to WCF Rest service, it uses the complete features of HTTP (such as response/request headers, caching, versioning, and numerous content formats)

MVC features support controllers, routing, filter, action results, IOC container, model binders, or dependency injection, and unit testing that simplifies it and makes it more robust.

It can be hosted on IIS or within the application.

Its lightweight design makes it ideal for devices with minimal bandwidth.

Replies are formatted by Web API’s MediaTypeFormatter into XML, JSON, or any other format you wish to add as a MediaTypeFormatter.

What is Web API?

Web API is a framework which allows you to build HTTP services for browsers and mobile devices. It is an ideal platform for developing RESTful applications on the ASP .NET Framework. The ASP.NET Web API is an extensible framework for building HTTP based services that can be accessed in different applications on different platforms such a web, windows, mobile devices, etc.

It’s similar to ASP.NET MVC because it consists of MVC features such as routing, controllers, filter, action results, IOC container, model binders, and dependency injection. It isn’t a part of the MVC Framework, though. It’s an aspect of the core ASP.NET platform which can be used with MVC and similar Web applications such as Asp.Net WebForms. It can also act as an individual Web services application.

Only HTTP protocol is supported.

Any client who understands XML can use it, but it is not open-source.

It is based on return data and SOAP in XML format.

Only IIS can host it.

It supports HTTP POST and GET verbs by [WebInvoke] and [WebGet] attributes.

webHttpBindings must be enabled if WCF as WCF Rest service use is required.

Sending data via parameters using a WebGet warrants configuration. The UriTemplate must be specific.

JSON, XML, and ATOM data formats are supported.

WCF vs Web API-

1. Security-

When looking at WCF vs Web API, both frameworks have accepted security standards. Concerning WCF, skilled security helpers and also frameworks can offer protection on an enterprise-level, which includes security that holds the WS-I (Web Services Interoperability Organization) guidelines. in Web API general web standards are used for security, like Token and Basic authentication . If correctly enforced, security in both frameworks will be as effective as the other, keeping in mind that several organizations sometimes need exact execution of protection. However, RESTful services offer more flexibility than SOAP. This can be helpful when authenticating an outside service like Google, Windows Live IDs, Twitter, or Facebook.

2. Purpose/ Functionality-

As mentioned above, SOAP services must be action-oriented. Also OData/REST must be very resource-oriented. While all action-oriented service can be changed to a resource-oriented service, there are several instances where a single SOAP may result in numerous REST calls. This generates extra overhead in calling the service, so that it makes the client’s code more complicated, and may result in data problems in badly developed systems. Properly developed REST services have the ability to mitigate this with indirect steps.  For example, a SOAP call that purchases an item for a shopper may do this:

1. Produce order

2. Minimize the item’s stock quantity

3. Produce a new shipping job

3. Update customer’s order history.

That SOAP call may lead to a quartet of individual REST calls updating all of those resources, or, in a correctly developed system, one produce (POST) PurchaseOrder call that stimulates actions to update the remaining resources as needed. In short, RESTful services must be basic and atomic, yet SOAP services have the adaptability to be complicated and bulky.

Because they can be accessed freely in URLs, REST services are easier to find than SOAP services. Additionally, proper REST services are keen enough to set up the extent that idempotency and endpoints are concerned.

3. Overhead coding-

On the client’s side, it is easy to use HTTP to call a RESTful service, but deserializing and serializing items, hardcoding resource endpoints, and reproducing personalized returnable classes can be problematic. Minimal-level engagement with the web service is abstracted in SOAP services automatically. WCF has many configurations and warrants meticulous XML work to configure it properly. Apart from this, Web API has a regular ready-to-use setup that is effective for many services and offers personalized services.

4. Client Interoperability-

Not only RESTful services but also Web API, focusses on ease of use and being lightweight. Using the same HTTP calls, all applications that can access a website can also access RESTful service. If you’re directly comparing WCF vs Web API, this is different from SOAP, as the client needs to know the web service inside out when using the WSDL file. The WSDL configuration supplements some complexities and warrants extra details that may not be accessible on some devices (smart TVs, phones, and the like) as well as frameworks and programming languages.

5. Bandwidth/speed-

Because RESTful services use only basic HTTP, the response and request packets are usually smaller than SOP response and request packets, which package objects, parameters, metadata, etc. in an XML payload. This is necessary to consider when handling low bandwidth or mobile devices. The easy HTTP response and request also usually easy for people to read than SOAP response/requests. While that is more important because these services tend to be programmatically consumed.

Selection of WCF vs Web API-

If you Require a support for Message queues, end to end message security, duplex communication, distributed transactions, etc., you should choose WCF.

When you already have existing working WCF services and Wants to add HTTP support additionally, choose WCF.

A case where you want to create a resource-oriented service over HTTP you should choose, Web API.

If your project is an MVC application and wants some functionality over HTTP, choose Web API.

If you want to build an HTTP / RESTful services, select Web API.

It’s not possible to select a best in WCF vs Web API competition and state that which choice is superior to the next. There is a simple method of selecting best framework most suitable when developing a new web service. If it’s an internet/external web service, use Web API. While, if it’s an intranet/internal web service, use WCF.

Are you looking to develop a web application for your business? Then you are at the ideal platform. Solace is a software development company which specializes in custom applications development using WCF and Web API as our core strength and foundation. Contact us and we’ll be glad to help you through our experts to develop your next web app.

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What is Web API?

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What is Web API?

Long form of API is Application Programming Interface and it means Web Api is a kind of interface which allows the consumer to access the set of functions which the consumer is allowed to consume or main purpose of the API is to provide data.

We can access the Web API over HTTP protocol. Main thing is that it is not technology, it is a concept and we can create api in several technologies like Java,.Net and .Net core.

In this tutorial we can create an API in Asp.Net Core.

Asp.Net Core Web API  is a framework for building HTTP based  services which can access different devices or applications like Windows, Mobile and Web. It is like Web Service or we can say WCF service but it only supports HTTP protocol.

In this tutorials we will use Visual studio 2019 Community edition https://visualstudio.microsoft.com/thank-you-downloading-visual-studio/?sku=Community&rel=16

You can download this from this link.

To check api calls and results we can use Postman for that. To download postman you can use below link https://www.postman.com/downloads/

What is the difference between ASP.NET Core Web API vs WCF ?

Web APIWCFIt is an Open source  framework.It comes with .NET frameworkIt Supports only HTTP protocol.It supports different protocols like  HTTP, TCP, UDP and custom transport protocol.Here we Maps http verbs to methodsWcf Uses attributes based programming model.Web API Uses routing and controller concept similar to ASP.NET MVC.WCF Uses Service, Operation and Data contracts.Web API can be configured using HttpConfiguration class but not in web.config.WCF Uses web.config and attributes to configure a service.Web API is Ideal for building RESTful services.WCF Supports RESTful services but with limitations.

Web API Structuring Outer Facing Contract?

When we talk about outer facing contracts we have 3 main things.

Resource URI : Every resource on the web is identified by unique URI.

Http Method: the methods which we use have standard verbs like Get,Put,Post,delete

Payload: What kind of representation we use by using media type formatter

Resource naming Guideline:

URI is must be Noun means it is thing and not an action

For example if our URI is api/getstudents it is action but by convention we use

Get api/students – it is noun 

By using nouns it describes resources. Filters, sorting aren’t resources ex. api/students/orderby/name this is wrong. Best way to do that is 

api/students?orderby=name 

To build an API we use ASP .Net core version 3+.

Asp.Net core in big picture

It is a framework which we used for creating modern internet based connected applications.

Its modular version of .Net framework

It is portable across all the platform

.Net core will run on mac,windows and linux also

Increase performance

To download .Net core framework use below site https://dotnet.microsoft.com/download

Also for database section we use Mysql community edition use below link to download what you required for development https://www.mysql.com/downloads/

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WCF Web Service vs Web API: What to Choose for Your Project?

It’s not possible to decide on a winner in the WCF vs Web API competition and state that one alternative is certainly better than the other. Kindlebit Solutions is a leading WCF & WPF development company, with an experienced team of professionals having great experience in WCF Web Service and WPF Application Development.

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Web role vs Worker role

Very good article describing Azure in general is here

An application that runs on Windows Azure is referred to as a hosted service. Typically, a hosted service contains different computational resources that collectively process information and interact with each other and the external world. Hosted services in Windows Azure are said to contain roles, and there are currently two roles available: a worker role and a web role.

Worker roles are general-purpose code hosts. They are frequently used for long-running tasks that are non-interactive, but you can host any type of workload in them. Worker roles are general enough to host even complete application platforms such as Microsoft Internet Information Services (IIS) or Apache Tomcat. Windows Azure initiates worker roles and, like Windows services, they run all the time.

You can think of web roles as special cases of worker roles that have IIS 7 enabled by default. Therefore, they can host web applications and web services. Figure 1 illustrates web and worker roles.

Web roles and worker roles

Typically, a web role instance accepts incoming HTTP or HTTPS requests over ports 80 and 443. These public ports are referred to as public endpoints. All public endpoints are automatically load balanced at the network level. Both worker roles and web roles can make outbound TCP connections and can also open endpoints for incoming connections. In addition to the load-balanced public endpoints, instances can open internal endpoints. These internal endpoints are neither load-balanced, nor publically visible to the Internet. Instead, internal endpoints can be used for synchronous communication among instances and roles.

The VMs that run both web role and worker role instances also run a Windows Azure agent. This agent exposes an API that lets an instance interact with the Windows Azure FC. For example, an instance can use the agent to enumerate the public and internal endpoints in the VM instance it's running in or to discover run-time configuration settings.

An application deployed in a web role can be implemented with ASP.NET, Windows Communication Foundation (WCF), or any technology that works with IIS. For example, you can host a Hypertext Preprocessor (PHP) application on Windows Azure because IIS supports it through Fast CGI, which is a protocol that interfaces interactive applications with a web server. Most web role applications are optimized for workloads that follow a request-reply pattern, where the time between a request and a response is ideally very short.

A key consideration for the scalability of web roles is session management. In standard ASP.NET applications, there is some way to store session state. For example, an online store may keep track of a shopping cart. Similar to web farms, storing session state in memory on each server instance is a problem for web role–based websites because there's no guarantee that users will be directed to the same web role instance each time they make a request. Instead, you maintain state information in someplace other than the web role instance such as Windows Azure storage, SQL Azure, in a cookie that you pass back to the client, or in hidden form elements.

One of the most common application patterns in Windows Azure is for a web role to receive incoming requests and then use Windows Azure queues to pass them to the worker role to process. The worker role periodically looks in the queue for messages to see if there is any work to do. If there is, it performs the task. The web role typically retrieves completed work from persistent storage, such as a blob or a table. Figure 2 illustrates this typical design pattern.

Typical application pattern for web roles and worker roles

This is a simple and common interaction between a web role and a worker role, but there are many other possibilities. For example, you can use WCF to link web roles and worker roles.

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