.NET/ASP.NET/C#/VB.NET PDF Document SDK

A directory service is the software that stores, organizes, and provides access to information in a directory In the context that we will use the term throughout this book, we mean a database of users, groups, computers, and network devices such as printers The directory service supplies that database to client computers In most enterprise, educational, and larger institutions, common directory service implementations range from Microsoft s Active Directory (AD) to Novell s eDirectory, as well as the open source Open LDAP Most modern directory services are based on standards developed in the public forum The most common standard architectural guidelines are defined in the X500 model The Directory: Overview of concepts, models and services While the concepts and roots of most directories are complex, by their very nature they share the simple goal of unified user management, authentication, and authorization.

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This part of the book turns towards leveraging the existing functions of the device. Canny programmers will take advantage of the resources built into each BlackBerry, and learn how to make their app indispensible to the user. 6, Personal Information : Examines the various repositories of personal data on the phone, such as the address book and calendar. Shows how to read, update, and create new records from within your application. 7, Browser : Explores the rich set of integration possibilities with the built-in browser, including opportunities for embedding your app within the browser or vice versa. Describes the various types of browsers and how they impact your development. 8, Digging In Deep : Covers a variety of useful techniques such as providing customized icons, communicating between applications, and adding options to the device s native menus.

he focus of this chapter is to provide solutions to some common, general problems and questions that are bound to arise before or during development of Asynchronous JavaScript and XML (Ajax) and Representational State Transfer (REST) applications. These common questions are not always technical in nature, often leaning more toward theory or philosophy of development. The problem with these kinds of questions is that once you begin to think about them, you keep going in a circle and end up where you started. The trick to figuring out the answers is not to keep going in a circle, but to stick with the assumptions and make a decision.

Directory servers with different origins thus find many commonalities in their structure and accessibility The Lightweight Directory Access Protocol (LDAP), which is utilized by nearly every major directory service system, is a testament to this need for accessibility, as we will discuss later in this chapter Put simply, any system engineered for large-scale centralized authentication must inherently allow disparate clients to participate, otherwise it is doomed to a finite growth potential In Mac OS X, there are a number of plug-ins that allow you to leverage a variety of different directory services Each computer must at least contain a local directory service database to establish a baseline of system-critical data, such as users, groups, and even some configuration data If every Mac OS X computer sold required an enterprise directory service just to login, Apple stores would not be popping up like Starbucks in cities around the United States.