Sun Microsystems Netscape Enterprise Server, Руководство администратора

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Netscape Enterprise Server Architecture
38 Netscape Enterprise Server Administrator’s Guide
Netscape Server Application Programming Interface (NSAPI) is used to
implement the functions the server calls when processing a request (Server
Application Functions) which provide the core and extended functionality of
the Enterprise Server. It allows the server’s processing of requests to be divided
into small steps which may be arranged in a variety of ways for speed and
flexible configuration.
Java Servlets and JavaServer Pages extensions enable all Java servlet and
JavaServer page metafunctions, including instantiation, initialization,
destruction, access from other components, and configuration management.
Java servlets and JavaServer pages, are reusable Java applications that run on a
web server rather than in a web browser.
SHTML and Server-side JavaScript enable rapid development of dynamic
content applications.
Web Application Interface (WAI) is a CORBA-based programming interface
that defines object interfaces to the HTTP request/response data and server
information. Using WAI, you can write a web application in C, C++, or Java that
accepts an HTTP request from a client, processes it, and returns a response to
the client. You can also write your own server plug-ins for processing HTTP
requests.
Runtime Environments
In addition to the various server extensions, Enterprise Server includes a set of
runtime environments which support the server extensions. These runtime
environments include the following:
• CGI Processor
• NSAPI Engine
• Java Virtual Machine (JVM)
• JavaScript Virtual Machine
Application Services
Finally, the Enterprise Server architecture includes a set of application services
for various application-specific functions. These application services include the
following: