A middleware system between web and database servers
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A Middleware System between WEB and Database Servers Mohammad H. Abu-Arqoub, Ihab S. Serhed, Waheeb A. abu-Dawwas, and Rashid M. Al-Azzeh
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How many times have you experienced the agonizing wait as you navigate through a web application? Looking expectantly at the screen, and waiting for the page to load? Frustrating, isn’t it?
Using Single Page web application (SPA) technique can give your web application as seamless an experience as a desktop application. So, what is SPA? And how does it enhance the viewer experience?
The webinar will take you through a step-by-step introduction to SPA, its building blocks, the design techniques and advantages of SPA. It will also discuss the distinct advantages of using AngularJS for Single Page Applications and feature an application demo.
Key Takeaways:
Single Page Web Applications [SPA] , Present and Future
- Introduction
- Why SPA, advantages
- SPA- Multiplatform perspective
- Future of SPA
Architectural considerations for developing SPA
- Building blocks of SPA
- Main Challenges in Web Application Development
Why choose AngularJS for SPA
- Walkthrough of Key AngularJS features
- Advantages of AngularJS in SPA development
Application Demo
Who will benefit from this webinar?
ISVs who want to make their web applications more fluid and engaging for their users
Businesses who don’t want to lose customers because of a slow website
- B2C portals
- Online Retailers
- Travel & Hospitality
- Online shopping portals
- Healthcare portals
Educational & training institutionsJava Abs Dynamic Server Replication
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web services-May 25.ppt
Web services allow software components to communicate over a network by invoking methods using standard protocols like HTTP and XML. A web service provider develops a web service and publishes its interface description to allow client applications to access the service. Common web service standards include SOAP, WSDL, and UDDI. Java supports creating and consuming web services using annotations like @WebService, @WebMethod and @WebParam.
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Computer conferences organized by ScienceFather group. ScienceFather takes the privilege to invite speakers participants students delegates and exhibitors from across the globe to its International Conference on computer conferences to be held in the Various Beautiful cites of the world. computer conferences are a discussion of common Inventions-related issues and additionally trade information share proof thoughts and insight into advanced developments in the science inventions service system. New technology may create many materials and devices with a vast range of applications such as in Science medicine electronics biomaterials energy production and consumer products.
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A middleware system between web and database servers
- 1. A Middleware System between WEB and Database Servers Mohammad H. Abu-Arqoub, Ihab S. Serhed, Waheeb A. abu-Dawwas, and Rashid M. Al-Azzeh HanYang Univ Lee Hyun Dong
- 2. 1. INTRODUNCTION - Current web servers do not support overload control, service differentiation, and caching of contents generated by backend servers. - Backend system becomes overloaded because dynamic application uses one connection for each dynamic application, there is no connections’ management.
- 3. 2. THE PROBLEM’S DEFINITION (I) - The major problems can be addressed are managing accesses to the database backend server. - The Application Programming Interfaces currently used in web applications, reside in the application process’ space and share no information with other processes. - The drawbacks of this paradigm ● Backend servers become overloaded due to the entire request handling process. ● Access is isolated and not globally optimized. ● The overhead induced by contexts switching
- 4. 2. THE PROBLEM’S DEFINITION (II) - Solution, for each request to the database, the web server will : ● Receives the request from the client. ● Forwards this request to our Service Broker system, and then the Server Broker will assign it to one of the running threads that follow a parent class to let all running threads be shared for a specific application.
- 5. 3. TYPICAL WEB SERVER PARADIGM (I) - Web server environment typically consists of two parts : front-end and backend - In front-end, there is a set of dynamic applications that usually run at known ports. These dynamic application are used as connectors between clients and backend servers.
- 6. 3. TYPICAL WEB SERVER PARADIGM (II) - Once the request arrives, it will be redirected to the appropriate dynamic application that assigns a thread to handle it.
- 7. 4. WEB SERVER PARADIGM USING SERVICE BROKER SYSTEM - Service Broker uses a limited number of open connections to the database server, to be used without repeatedly establishing connections, and without shutting down.
- 8. 5. THE PROPOSED SERVICE BROKER SYSTEM (I) - The simplest way to improve a website’s performance is by scaling up the hardware. - Service Broker system improves the performance without extra costs for the hardware by providing some recommendations that were shown to be helpful in improving the performance. - Service Broker system is used as a middleware or as an intermediate process between a front-end web server and a backend server instead of API that have to access a database server.
- 9. 5. THE PROPOSED SERVICE BROKER SYSTEM (II) A. Database Connection Management B. Query Optimization - Searching process did not consume a lot of time to find whether the same query has been executed twice by two requests simultaneously. Service Broker Architecture
- 10. 6. CONCLUSION - A possible way to improve performance of a web server is by using a database Service Broker for decreasing the overload on the database backend server was developed.