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+				                       Release Notes
+
+NOTE: Use of this file is now deprecated. Please check the release notes page
+on the Adaptive Computing Website. For example, the 6.0.1 release notes can be
+found:
+
+http://docs.adaptivecomputing.com/9-0-1/releaseNotes/help.htm
+
+TORQUE Resource Manager
+
+Software Version 4.0.0
+
+		                   	-------- WARNING! --------
+
+TORQUE 4.0.0 is not backwards compatible in any way. When you upgrade to 4.0.0, 
+everything has to be upgraded at once.
+
+---------------------------------------------------------------------------
+CONTENTS
+
+   This document contains the following sections:
+     
+     * Overview
+     * What's New
+     * Requirements
+     * Installation
+
+--------------------------------------------------------------------------
+OVERVIEW
+
+    TORQUE needs to be able to scale to newer, larger systems. This includes:
+    handling larger numbers of jobs, nodes, and commands per second. TORQUE 
+    also needs to become far more reliable. To respond to these challenges,
+    TORQUE has undergone a huge makeover - pbs_server is now multi-threaded,
+    RPP/UDP is no longer used, mom reporting can be organized into 
+    hierarchies, job reporting can be divided into a tree structure, and 
+    many other smaller yet significant changes.
+    
+---------------------------------------------------------------------------
+WHAT'S NEW
+
+
+    pbs_server is now multi-threaded so that it will respond to user commands 
+    much faster, and most importantly, one user command doesn't tie up the 
+    system and block other things.
+
+    TORQUE no longer uses rpp to communicate - tcp is used in all cases. rpp 
+    allows the network to drop its packets when it is at a high load. tcp 
+    does not allow this in the protocol, making it more reliable.
+
+    TORQUE now has the option of using a mom hierarchy to specify how the moms report
+    to the server. If not specified, each mom will report directly to the server as 
+    previous versions have, but if specified direct traffic on the server can be 
+    greatly reduced. Details on providing a mom hierarchy file are found here:
+    http://www.adaptivecomputing.com/resources/docs/torque/4-0/help.htm in 
+    section 1.3.2 
+    (1.0 Installation and configuration > 1.3 Advanced configuration > 1.3.2 Server configuration)
+    
+    pbs_iff has been replaced with a daemon that needs to be running on any
+    submit host (under the condition that you are using iff, not munge or unix
+    sockets) To start the iff replacement, run trqauthd as root.
+
+    TORQUE now includes a job_radix option (-W job_radix=X) to specify how
+    many moms each mom should communicate with for that job. Moms are then an 
+    n-branch tree communications-wise
+
+    More detail can be found in README.new_in_4.0
+
+REQUIREMENTS
+------------
+
+An ANSI C compiler is required.   The native C compiler is recommended if it
+is ANSI, otherwise use gcc.
+
+A fully POSIX make is required.  If you are unable to "make" PBS with your
+make, we suggest use of gmake from GNU.
+
+Tcl/Tk version 8 or higher is required if you plan to build the GUI portion
+of TORQUE or use a Tcl based scheduler.
+
+
+BUILD AND INSTALLATION DIRECTIONS
+---------------------------------
+
+The directions to build and install are found in the PBS Administrators Guide.
+A postscript and PDF copy are found in this directory.  Please read and
+follow the directions CAREFULLY.
+
+Also consider additional considerations in README.building_40.
+
+Installation instructions can also be found at http://www.clusterresources.com/products/torque/docs/
+
+