Enhydra Director Release Notes


Table of Contents

1. Release Notes

Chapter 1. Release Notes

Release notes for Enhydra Director 6.3.1.

  • New "Rebalancing" mechanism – to support web server (Director) clustering (parallelism).

  • Connector modules (jetty, tomcat, tomcat5.5) are updated to support new "Rebalancing" mechanism.

  • Documentation is updated.

Release notes for Enhydra Director 6.2-2.

  • Added Jetty Connector module (/jetty dir) to Enhydra Director.

Release notes for Enhydra Director 6.2-1.

  • Added Tomcat5.5 Connector module (/tomcat5.5 dir) to Enhydra Director.

Release notes for Enhydra Director 6.0-1.

  • Added Tomcat Connector module (/tomcat dir) to Enhydra Director.

Release notes for Enhydra Director 5.1-18.

  • New features are added to Enhydra Director status" page, administrator can set "Weight" and "Latency" parameters for each servers and serverslots thought this page.

  • All feateures from Enhydra Director "Status page" is now avaliable for both platforms Windows/IIS and Linux/Apache .

Release notes for Enhydra Director 5.1-17.

  • New features are added to Enhydra Director status" page, administrator can enable (disable) servers and serverslots thought this page.

Release notes for Enhydra Director 5.1-16.

  • New attribute is added to AppServer tag.Attribute is 'alias'.Value of this attribute can be used to specify which application server will serve request. This can be done by setting DIRECTTOSERVER request parameter to value of 'alias' attribute of wanted server.This is implemented only for IIS.

Release notes for Enhydra Director 5.1-15.

  • Director for IIS supports statistics view for sessionid's on status page. New parameter-options in director conf is implemented - sessionhistory

  • Fixed logging problem when application server is not available (IIS only).

  • Added log message when application server is available again.

  • Status page is implemented as HTML page.

  • Added auto refresh of status page option for IIS.

  • Added reset session history button fon status page (for IIS only).

  • Implemented redistribute session button on status page(for IIS). Press on this button causes new session redistribution on application servers.

  • New parameter-options in director conf is implemented - minnextrequesttime(IIS). If two requests come from the same session in time less then value from conf file, second request will be rejected.

  • Director supports Apache 1.3.31

  • Diretor for Apache contains mod_ntlm and mod_ssl modules to support this security protocols

Release notes for Enhydra Director 5.1-7.

  • Director can be silently instaled by starting Director-5.1-7.setup.exe with properly edited director.properties file in the same folder. In this property file property inst.dir must be set (e.g. inst.dir=C:\EnhydraDirector5.1).

  • Packeges for apache_1.3.26 and apache_1.3.28. are now available

  • NTLM authentication with Enhydra+Director+Apache+Linux: Enable Enhydra and Director are running with Apache and Integrated Windows Authentication. Please download file ntlm.tar.gz (contains sources of mod-ntlm and build script with documentation)

  • Apache + AD + X.509 certificates documentation html, pdf: document describes the method of configuring Apache web server for x509 user authentication using MS Active Directory server as a LDAP server for retrieving user information.

Release notes for Enhydra Director 5.1final.

  • The problem with the Enhydra director on Windows 2000 (with service pack 3) and Windows XP has been corrected. Now, Windows 2000 (with any version of SP), Windows XP and Windows 2003 are supported.

  • Supports correct IIS log entries for W2K SP3, XP.

  • Added Joao Ribeiro's patch that corrects the behavior of the port restriction of virtual server definition within <Restrict> tag in the enhydra director configuration file. (Enhydra Director mailing list archive, 2003-09-16: Enhydra: Patch for the director "Bug" in virtual host port verifcation).

  • Added support for a simple cache system built in the enhydra director for IIS only. This cache system is designed for caching small object within application pages such as small pictures (gif, jpeg), simple css in oreder to decrease the load of app servers and to provide faster response to the clients.

  • Added basic url-rewrite feature in the enhydra director for IIS only.

NOTE: For more information about building, configuring and tuning Enhydra Director see the more detailed documentation (html, pdf).