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Agile IMS Service Composition – How to Quicker Respond to New Market DemandData traffic in telco networks grow much faster and correspond to an increasing part of profits in telco operators. Operator’s dependence on voice services only is quickly diminishing in favor of higher valued data services. As these operators leave their relative comfort zone of supplying voice services in monopoly or oligopoly constructs the need for agility increases. The search for the Holy Grail – that is the next killer application – is happening everywhere.
But what if there is no next one single killer application? What if the next killer is exposure of capabilities to be used in countless of use cases which no-one has thought of today? Or if it is the ability of quickly creating services supporting ever changing customer needs?
This paper is about how to enable and support agile IMS service composition on both the service layer, that is in low-latency call control type of contexts, and in the Service Delivery Platform, SDP, that is higher level course grained services.
What do we mean with Agile IMS Service Composition?
• Agile: Focus is Customer Collaboration and Responding To Change
• IMS: IP based network, with convergence in any dimension
• Service Composition: Being able to create a new service by the combination of development and/or existing services composing these together. With the use of the techniques presented here you will be able to:
• Quicker and with less risk try out new services much faster leading to increased profits from more services and more satisfied customer
• Increase the number of end-user services availableComparing Java, C# and Ada Monitors queuing policiesConcurrent programming is still challenging and difficult. “Since concurrency techniques have become indispensable for programmers who create highly available services and reactive applications, temporal dimensions of correctness introduced by concurrency, i.e., safety and liveness, are central concerns in any concurrent design and its implementation” [Lea 98]. And without expert guidance and concurrent design-pattern description, they're expected to occasionally fail. Thus providing significant examples and paradigms for teaching good and correct style is of prime importance.
Learning concurrency paradigms is necessary but it is not sufficient. The choice of the run-time semantics must be known since it may introduce subtle design and programming errors. It is the aim of this paper to exemplify the importance of process queuing and awaking policies (whether processes are named threads or tasks) resulting from possible choices of the monitor concept implementation.
The languages Java, C# and Ada implement the monitor concept [Hoare 1974]. Several possible monitor concurrency semantics have been used in the past and a classification is presented in [Buhr1995]. Every implementation provides mutual exclusion during the execution of a distinguished sequence (synchronized method in Java, lock in C#, protected object subprograms in Ada) using a lock for every object. The semantics differ in the chosen policies for blocking, signalling and awaking processes.
The Java policy uses explicit self-blocking and signalling instructions. It provides “wait()”,“notify()” and “notifyAll()” clauses with a unique waiting queue per encapsulated object (termed “synchronized”). A self-blocking thread joins the waiting queue and releases the object mutual exclusion lock. A notifying thread wakes upAn eye-tracking study of information usage in Web searchWeb search services are among the most heavily used applications on the World Wide Web. Perhaps because search is used in such a huge variety of tasks and contexts, the user interface must strike a careful balance to meet all user needs. We describe a study that used eye tracking methodologies to explore the effects of changes in the presentation of search results. We found that adding information to the contextual snippet significantly improved performance for informational tasks but degraded performance for navigational tasks. We discuss possible reasons for this difference and the design implications for the better presentation of search results.
As an increasingly large fraction of human knowledge migrates to the World Wide Web and other information systems, finding useful information is simultaneously more important and much more difficult. In 2000, Jansen and Pooch estimated that 1 in 28 Web pages that users viewed were search results pages [11]. Today, search is among the most important activities that Web users engage in. Beyond the Web, search is a central activity for users of corporate intranets, specialized databases (from shopping to Medline), and increasingly for personal archives of documents and email.
Given the importance and ubiquity of search, it is remarkable how similar almost all search interfaces are. Users typically type a few words into a query box and receive a rank-ordered list of search results comprising document titles, brief descriptions of the objects and some metadata about the results. On the Web, such interfaces are extremely effective, considering the incrediblySilkPerformer .NET Explorer 2008This introduction serves as a high-level overview of the different test approaches and tools, including Java Explorer, Java Framework, .NET Explorer, and .NET Framework that are offered by SilkPerformer SOA (Service Oriented Architecture) Edition.
SilkPerformer SOA Edition license is required to enable access to component testing functionality. Users may or may not additionally have a full SilkPerformer license. Please see the SilkPerformer Components information site for more details.
What can be tested
With SilkPerformer SOA Edition you can thoroughly test various remote component models, including:
• Web Services
• .NET Remoting Objects
• Enterprise JavaBeans (EJB)
• Java RMI Objects
• General GUI-less Java and .NET components
Unlike standard unit testing tools, which can only evaluate the functionality of a remote component when a single user accesses it, SilkPerformer SOA Edition can test components under concurrent access by up to five virtual users— thereby emulating realistic server conditions (with a full SilkPerformer license, the number of virtual users can be scaled even higher). In addition to testing the functionality of remote components, SilkPerformer SOA Edition also verifies the performance and interoperability of components.
SilkPerformer SOA Edition assists you in automating your remote components by:
• Facilitating the development of test drivers for your remote components
• Supporting the automated execution of test drivers under various conditions, including functional test scenarios and concurrency test scenarios
• Delivering quality and performance measures for tested components SilkPerformer offers the following approaches to creating test clients for remote components:
• Visually, without programming (via Java Explorer and .NET Explorer)
• Using an IDE (Microsoft Visual Studio .NET)
• Writing JavaMrSID Macintosh Stand Alone Viewer The MrSID Stand Alone Viewer displays images that have been encoded into the MrSID format. Each MrSID image file contains data from multiple resolutions stored in a single pixel database. The MrSID Viewer starts viewing an image at the smallest resolution view, and allows complete control to zoom, pan, navigate and investigate through larger and smaller zoom levels. The Viewer uses Selective Decompression” to decode only the portion of an image necessary for viewing. This makes rapid viewing of large images possible, while maintaining maximum image quality. With the MrSID Stand Alone Viewer, you can also export any part of the image to TIFF at any resolution.
The MrSID Stand Alone Viewer is available at no charge for individual use, so that the largest possible number of people have the ability to view MrSID imagery. Table of Contents Table of Contents Table of Contents Table of Contents INTRODUCTION TABLE OF CONTENTS ABOUT LIZARDTECH ABOUT THIS MANUAL CHAPTER 1: GETTING STARTED System requirements Installation instructions Preparing to use the product Technical Support information Technical support prep LizardTech Email Technical Support CHAPTER 2: USING THE PRODUCT Launching MrSID Stand Alone Viewer Opening an Image The MrSID Stand Alone Viewer Window MrSID Stand Alone Viewer Tools Zooming Panning Save as TIFF Printing CHAPTER 3: TROUBLESHOOTING GUIDE CONTACTING LIZARDTECH
Download pdf for MrSID Macintosh Stand Alone Viewer Using Web 2.0 ResourcesWeb 2.0 is the term used for web based applications that allow more interaction and collaboration between users. Examples of Web 2.0 technology are blogs, wikis, podcasts, RSS feeders and interactive websites, such as YouTube and SecondLife. These resources can be searched for information that you can use for papers and projects.
How to search blogs
There are a few websites that facilitate blog searching. Two of them are Technorati (http://technorati.com/) and Google Blog Search (http://blogsearch.google.com/). These sites work just like a traditional search engine, except that they exclusively search blogs.
How to search wikis
Wikis are websites that allow users to collaboratively edit and add content on a certain subject or topic. Some wikis are searchable using search engines, such as Google or Yahoo. There is also a new search engine, Qwika (http://www.qwika.com/) that only searches Wikis
How to search podcasts
There are search engines that specifically search Podcasts and videos. A few of these are, Everyzing (http://www.everyzing.com/ ) which also searches video, Podscope (http://www.podscope.com/ ) which searches for words and phrases spoken during a podcast, PodcastNet (http://www.podcast.net/ ) and Podcast Alley, (http://podcastalley.com/ ) which contain searchable indexes of podcasts.
How to search for videos
Searching for videos is similar to searching for any other media on the web. However, there are a few search engines that are designed to search for videos. Blinx (http://www.blinkx.com/) and Google video (http://video.google.com/) are two options
Download pdf Using Web 2.0 ResourcesVTBook Evaluation Guide pdfVTBook is a PC-Card graphics card for notebook computers: it connects through a CardBus compatible PC-Card slot. The goal of Village Tronic while designing VTBook was to create a small, affordable, reliable device that would empower notebook users by allowing them to connect big digital displays to their computers, as they were desktop systems. Modern notebooks feature impressive capabilities in terms of computing power, storage space, networking and so on, but they still lack in graphics expandability, especially in the number and size of supported displays.
No notebook can drive more than two displays (including the internal one) and just a few have a digital video connector. For any notebook with a CardBus connector, VTBook means the ability to add one or more displays, even digital, high resolution or wide, expanding the available desktop space for the user productivity. Adding the VTBook DualDisplay accessory it s even possible to reach a total of three external displays on Windows notebooks!
Download VTBook Evaluation Guide pdfFord Sierra Service and Repair Manuals PDFFord Sierra was first introduced in late 1982 with the option of seven different engines and four different trim levels. This manual covers the four cylinder in-line petrol engines, but other models in the range are fitted with V6 or diesel engines. The Sierra was introduced by Ford as the successor to the Cortina and initially received a mixed reception as it was one of the first vehicles to make use of the aeroback body style designed to reduce the air drag coefficient to a minimum in the interests of fuel economy. Mechanically the Sierra is similar to the Cortina with the exception of all-round independent suspension. Initially, 1.3, 1.6 and 2.0 litre SOHC carburettor engines were available, with Hatchback and Estate body styles. In late 1984, a 1.8 litre SOHC engine became available and in 1985, a performance orientated 2.0 litre SOHC fuel injection engine was introduced.
Towards the end of 1986, the 1.3 litre engine was phased out. In order to fill a gap in the range, a Saloon body style, designated the Sapphire, was introduced in early 1987 and shortly afterwards, a 1.8 litre CVH engine replaced the previously used 1.8 litre SOHC engine throughout the model range. A 1.6 litre CVH engine was introduced in September 1991 to replace the 1.6 litre SOHC engine used previously, this engine being broadly similar to the original 1.8 litre CVH engine which was in turn uprated in March, 1992. A 2.0 litre DOHC (Double OverHead Camshaft) engine wasAjaxScope: A Platform for Remotely Monitoring the Client-Side Behavior of Web 2.0 ApplicationsThe rise of the software-as-a-service paradigm has led to the development of a new breed of sophisticated, interactive applications often called Web 2.0. While web applications have become larger and more complex, web application developers today have little visibility into the end-to-end behavior of their systems.
This paper presents AjaxScope, a dynamic instrumentation platform that enables cross-user monitoring and just-in-time control of web application behavior on end-user desktops. AjaxScope is a proxy that performs on-the-fly parsing and instrumentation of JavaScript code as it is sent to users’ browsers. AjaxScope provides facilities for distributed and adaptive instrumentation in order to reduce the client-side overhead, while giving fine-grained visibility into the code-level behavior of web applications. We present a variety of policies demonstrating the power of AjaxScope, ranging from simple error reporting and performance profiling to more complex memory leak detection and optimization analyses. We also apply our prototype to analyze the behavior of over 90 Web 2.0 applications and sites that use large amounts of JavaScript.
In the last several years, there has been a sea change in the way software is developed, deployed, and maintained. Much of this has been the result of a rise of software-as-a-service paradigm as opposed to traditional shrink-wrap software. These changes have lead to an inherently more dynamic and fluid approach to software distribution, where users benefit from bug fixes and security updates instantly and without hassle. As our paper shows, this fluidity also creates opportunities for software monitoring. Indeed, additional monitoring code can be seamlessly injectedEndNote X Getting Started Guide (Macintosh and Windows)earch bibliographics on the Internet, organize references, images and PDF s in a snap Construct your paper with built-in templates Watch your bibliographic, table and figure lists appear as you write! Introduction Welcome to EndNote Chapter 1 Macintosh EndNote Installation Chapter 2 Windows EndNote Installation Chapter 3 Introduction to an EndNote Library Start EndNote, open a reference library, sort the library, and select, open, and close a reference. These skills prepare you for the rest of this guide. Chapter 4 Setting EndNote Preferences Learn how to access EndNote preferences, how to set a default library to open automatically, and how to change the display fonts.
Chapter 5 Entering References Manually insert references, including two that contain images. Chapter 6 Searching Remote Databases Use EndNote to search remote databases and library catalogs available online. This feature requires that you have a connection to the Internet. Chapter 7 Importing Reference Data into EndNote Import a tagged text file of references downloaded from an online database or CD-ROM. Chapter 8 Searching an EndNote Library and Printing Directly from EndNote Search for references and print references from an EndNote library. Chapter 9 Using EndNote While Writing a Paper with Microsoft Word Learn how to insert bibliographic, figure, and table citations in a Word document, and have EndNote generate bibliography, figure, and table lists for the paper.
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