Companies are implementing reverse proxy servers to provide a "gateway" to various back-end Web and application servers
. The back-end content and application servers
therefore reside behind a second firewall and are inaccessible from the external Internet.
Traditionally known as a mainframe management-only shop, BMC has introduced new technology and applications which enable the vendor to address the middle layer; the web application servers
and services that run on top, as well as developing technology to enable companies to monitor the availability of Unix and Windows-NT-based applications in e-business environments.
The new products will bridge the gap between database servers and application servers
and facilitate the flow of data between OLTP and data warehousing applications by supporting key component development standards such as Java, ActiveX, and OLE DB.
IBM has enhanced the Apache HTTP Server-based services that are incorporated within its Windows NT-based Websphere Application Servers
. A new technology, called the Fast Response Cache Accelerator (FRCA) technology, will increase the performance of the HTTP services and Secure Socket Layer support will provide security to e-business transactions and to web sites which handle sensitive information.
This single system image functionality is often referred to as virtualization, where the application servers
see a single storage image that represents the aggregate capacity of all storage server arrays.
Organisations deploy application servers
for many tasks, including building complex transactional web sites, enterprise or consumer portals; establishing mobile or multi-channel infrastructures; and for application integration tasks that span systems, departments and corporate boundaries.
Versant Corporation, a leading provider of middleware infrastructure technology, has announced the Versant enJin intelligent transaction caching platform, designed to accelerate the performance of Internet-based transactions, Versant enJin integrates with Enterprise JavaBeans (EJB)- compliant application servers
, including IBM WebSphere and BEA WebLogic.
Novera says its value proposition is being able to link multiple application servers
and front-end systems to back-end mainframes, databases and packaged applications.
In this way, each time a new disk is added it can be automatically discovered and assigned to the appropriate pool of resources without having to reboot application servers
or reallocate resources.
To help organizations achieve Java's promise of "Write Once, Run Anywhere" Sun Microsystems has announced the first set of "Java Verified" applications to have completed the Java AVK and obtained the Java Verified license--the Novell exteNd product suite is now "Java Verified" for portability across all J2EE application servers
. The Java Verification designation complements the testing Novell has been conducting for more than two years to ensure its integration and portal servers, Novell exteNd Composer and Novell exteNd Director will run on market-leading J2EE application servers
By having the application servers
back themselves up, not only will their backups finish quicker, resources on the backup servers will be free to backup the rest of the environment faster.
Through a combination of software and hardware, F5's Dynamic Security Control Architecture (DSCA) is able to enforce user access security policies, fortify a site from cyber attacks, and accelerate/off-load SSL transactions from web and application servers
. By leveraging F5's open iControl(TM) API and communicating with the BIG-IP device, specialized security devices can now take an active role in shaping network traffic.