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Internet Engineering Task Force(IETF) design the OSPF to function as one of the interior Gateway Protocol(IGPs). In a large autonomous system network , OSPF act as routing protocol compare to the older routing protocol call Routing information Protocol (RIP). When a host detect the routing table is being modify or changes in the network like adding new devices, it will broadcast the information to all other host in network so that all routing table information is same. This kind of mechanism is call OSPF. The RIP is different method where sent routing table to nearby host device in 30 second time interval compare to the Open Shortest Path First changes the information when changes is occurs on network. Moreover, OSPF will take extra network information bases on the path/link states. Besides, cost metrics can be assign by user to given host router using OSPF. In addition, it allow variable subnet mask so that network can be subdivided. Due to many network already implement RIP,route...

What is distributed System? Internet is one of the distributed systems Distributed system is a collection of independent computers that work together as one computer. Distributed System consist of component that are autonomous.(act independently) However the autonomous component need to collaborate. The component don't have to homogeneous to communicate each others. The main purpose of the distributed system is to sharing resources for example like world wide web/internet is one of the successful distributed system which vast interconnected collection of computer network of many different types. There are several goals of distributed system: Transparency Openness Reliability Performance Scalability Transparency An important goal to hide the fact that all the process and resource are physically distributed across multiple computers but for users is like a single computer. The figure show the example of transparency of the system however it not necess...

The IBM Worklight is a plugins for the Eclipse IDE (indigo and helios) use to develop smartphone and tablet apps.Worklight Studio is a plug-in for Eclipse that supports the efficient development of rich, multi-channel applications.It support many kind of devices like iOS, Android, Blackberry, and Windows Phone devices. Worklight also supported on Windows,Mac OS and Linux. You can develop IBM worklight with iOS environment on any OS however because of the restrictions set by Apple, you can compile an iOS project only on a Mac OS and it integrated with Xcode. Worklight can be used to : Create and modify applications Deploy applications to embedded worklight server Preview and manage applications by using Worklight Console Create custom server-side java code that can be used by worklight adapter  Create and modify Worklight adapters Deploy Worklight adapters to the embedded worklight server Test Worklight adapter procedures For more information you can visit IBM Workli...

Recently Google has launch a beta version web designer tools call  Google Web Designer beta. It can be use to create interactive HTML5 and motion graphics that can run on any platform/devices. It was frustrate if people can't see your brilliant work. It solve the compatibility issue on any devices no matter desktop,table or mobile. It was like a paint for web design that change design into CSS3 and HTML5. Google Web Designer handle HTML5 and CSS3 so that you can focus on creating visual experience. You not need to type all the code to design your website. You can build your animations scene by scene in quick mode. It will take care the frames in between. Beside,location elements within the stack can be easily change the location by using the advanced mode. It also support full 3D authoring environment. You able to create and manipulate 3D content utilizing an array of tools and the power of CSS3.  Object can be rotate and even 2D designs along any axis, visualizing 3D...