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Sorin's Network AnimatorThe SNMP protocol was introduced in 1988. Overtime security had been added (1991-1992). Also several version improved versions have been published (SNMPv2[1] and SNMPv3[4]) The goal is to allow automation of network management by establishing a standard protocol supported by all network devices for configuration and monitoring.
Using SNMP enabled devices network administrators can automate the tedious and error prone task of changing the configuration of the network by using an administration interface which in turn will automatically re-configure each device on the network using SNMP. By having a unified protocol a single administration application can manage an entire network of heterogeneous devices.
Another use of SNMP is to monitor the state of the network. The protocol defines a special message called a trap that triggers an agent governing a device to send an event stream back to the administrator. Management applications can periodically pool the devices to obtain an up-to-date overview over the network.
There are project existing [2] that facilitate the conversion of SNMP traces into formats that can be easily displayed. However, the user interface of the tools is either incomplete or not very well suited for the task at hand. The python converter presented converts SNMP and flow traces into a network animator file that can be viewed using the network animator(NAM). While the basic task of seeing the interaction dynamics is accomplished NAM does a very pour job at graph layout. Conversely the analyser based on JUNG does a very good job for the layout, but it doesHow to create, save, and upload Microsoft Word documents as Web pagesWriting documents in Microsoft Word™ is convenient and produces good looking results, but posting these documents to web sites presents a problem. Students who do not have a copy of Word installed can not view the documents. When a person without Word left-clicks on the link to the word document, they will be prompted to download the doc as a file. If they figure out how to download it and then try to open it, they will be presented with several unfriendly looking windows asking them how to open the file. This is more than enough to scare off the average student.
Fortunately, there is an easy way to make Word convert documents into web friendly HTML pages. HTML pages can be viewed in any modern web browser and students do not need Microsoft Word™ to view them. This document covers creating a web friendly Word document, converting the word document into a web friendly HTML file, and uploading that file to a Blackboard Vista course.
A guide to creating web friendly Word documents
Most basic word documents translate very well into web friendly HTML files with little to no modification, but there are a few guidelines that it helps to follow while writing the Word doc.
Some Word elements translate easily into web pages. Try to use these elements to format your pages as much as possible. Elements that work well for the web include:
• Alignment (left, right, centered).
• Bold and italics. Try to avoid using underline if possible.
• Font size and color.
•Load Balancing a Cluster of Web ServersDNS was found to be of limited value for the purposes of load balancing and fault tolerance of scalable. Web server clusters. The research described in
Load Balancing a Cluster of Web Serve † Using Distributed Packet Rewriting Luis Avea Azer Bestavros Lavea@cs.bu.edu Bestavros@cs.bu.edu Computer Science Department Boston Univeity Abstract In this paper, we present and evaluate an implementation of a prototype scalable web server. The prototype coists of a load-balanced cluster of hosts that collectively accept and service TCP connectio. The host IP addresses are advertised using the Round Robin DNS (RR-DNS) technique, allowing any host to receive requests from any client. Once a client attempts to establish a TCP connection with one of the hosts, a decision is made as to whether or not the connection should be redirected to a different host---namely, the host with the lowest number of established connectio. We use the low-overhead Distributed Packet Rewriting (DPR) technique [Bestavros, Crovella, Liu, and Martin 1998] to redirect TCP connectio. In our
DownloadMySQL Server Installation on WindowsYou can download the MySQL database from the MySQL website http://www.mysql.com by clicking on the downloads tab. Scroll down to the MySQL database server & standard clients section and select the latest production release of MySQL, 4.0 at the time of writing.
After clicking on the link you will be taken to the download page, scroll down to locate the Windows Downloads section and choose the first Pick A Mirror link. Now select a mirror and download the archive. Note that you will need Winzip or a similar utility to unzip the file you just downloaded. We also recommend downloading the MySQL Control Center from the downloads page. It's currently in beta stage but allows you to administer your MySQL server with a graphical user interface. We will cover both ways of administration in this guide.
Installation of MySQL Server
Unzip the setup file and execute setup.exe. You can just keep all the default options during the installation, but you may skip the examples, libraries etc:
Download pdf MySQL Server Installation on WindowsCreating a Footprint Map Using AutoCAD 2000 from an Aerial PhotographAutoCAD is the world's most popular computer-aided drafting software product for the personal computer available in both DOS and windows by Autodesk, Inc. Anything that can be drawn on a drawing board can be drawn by AutoCAD.
AutoCAD is an interactive drawing system designed to permit a user to construct or edit a drawing on a graphics display screen. It is similar to other word-processing programs except that in this case the thing being processed is a drawing. Each drawing is stored on a disk file, and AutoCAD is only able to edit one drawing at a time. An AutoCAD drawing is made up of entities. All the objects in the drawing space are considered entities such as lines, arcs, circles, text, and so on or blocks (which are groups of entities).
The entities are defined geometrically in terms of the normal Cartesian coordinate system (right-handed system with positive X-axis to the right, positive Y-axis up the screen and positive Z-axis coming out of the screen towards the user). For example, lines are defined by their end- point coordinates (x, y and z), while circles are defined by their center coordinates and radius. Each entity also has certain attributes associated with it, such as line style, text font or color.
AutoCAD organizes information in different layers like other programs like Photoshop and Illustrator. This means that any drawing entity can be assigned to any layer of the drawing. This allows separation of portions of the drawing. For example, all parcels could be assignedThe SAP Lock Concept (BC-CST-EQ) TutorialThe SAP System is equipped with a special lock mechanism that synchronizes access to data on the database. The purpose of the lock mechanism is to prevent two transactions from changing the same data on the database simultaneously. Implementation Considerations Locks are defined generically as “lock objects” in the Data Dictionary. A lock request is a specific instance of a lock object and locks a certain database object, such as a correction or a table entry. Lock entries are usually set and deleted automatically when user programs access a data object and release it again.
Integration The SAP lock mechanism is closely related to the update mechanism in R/3 [Extern]. A description of handling lock objects is provided in the ABAP Dictionary Documentation under Lock Objects [Extern]. The ABAP documentation explains the key elements of the lock concept with regard to programming ABAP transactions in the section entitled The R/3 Lock Concept
Download The SAP Lock Concept (BC-CST-EQ) TutorialManual for Unbound on WindowsThis manual aims to provide information about the Unbound server on the Windows platform. Included is installation, uninstallation and some information on configuration specific for Windows. Full details of operating a DNS resolver are not part of this document, and can better be documented in a platform independent document.
What is Unbound and what is DNSSEC
Unbound is a DNS resolver. It supports validation, caching, and DNSSEC. It supports NSEC and NSEC3, Ipv4 and Ipv6. Unbound is written for Unix (posix) machines, and runs on FreeBSD, OpenBSD, NetBSD and Linux (Fedora, Debian, Ubuntu, ...). This document is about the Windows version.
The service that unbound provides is that it performs DNS lookups, and can perform DNSSEC validation on the result. If the result is bad, it is not returned to the client (who sees a temporary error in name resolution). Applications that support DNSSEC can ask to see the verification result. DNSSEC is a standard for securing the information in the DNS. Your validator needs to have public keys to check the signatures on the data. DNSSEC is explained more fully on http://www.dnssec.net pages.
The unbound package for windows provides DNSSEC validation – the client that verifies the signatures published by authoritative DNS servers on the internet.
Download pdf Manual for Unbound on WindowsUsing mental mill shaders in MayaThis document describes how to export shading networks and shaders from mental mill so that they can be used right away in the viewport rendering in Maya. A basic knowledge of how to work with mental mill or Maya is assumed. If you are not familiar with these tools,please take a look into the respective help documents of mental mill and Maya if you want to learn more about the applications themselves.
Preparing the shader in mental mill
1. Create your shading effect inside mental mill by building a shading net- work that creates the look that you want to achieve. Once satisfied with the result, go to
2. “Scene > Scene Settings…” and make sure that the following items are set correctly:
4. created by adding a light shader node to the “graph view” . This does not yet create a light source. An instance of the light source needs to be cre- ated: Go to
5. “Scene > Scene Settings…” , click “Add light” and select the light shader of your choice. You can create multiple light instances from one shader which will share the input data like color, falloff, etc… . (Note that parameter sharing happens only inside mental mill. Outside the application each light instance will have its own dedicated set of parameters) If your shading network contains nodes that do reflections of any kind
6. (e.g. “Component_reflection”) you have to create an instance from an environment shader on the workspace. You must enable this environment shader by selecting it under “SceneFirst Hibernate example using JavaThis tutorial shows a simple example using Hibernate. We will create a simple Java application, showing how Hibernate works. Hibernate is a solution for object relational mapping and a persistence management solution or persistent layer. This is probably not understandable for anybody learning Hibernate.
What you can imagine is probably that you have your application with some functions (business logic) and you want to save data in a database. When you use Java all the business logic normally works with objects of different class types. Your database tables are not at all objects.
Hibernate provides a solution to map database tables to a class. It copies the database data to a class. In the other direction it supports to save objects to the database. In this process the object is transformed to one or more tables. Saving data to a storage is called persistence. And the copying of tables to objects and vice versa is called object relational mapping.
Download pdf First Hibernate example using JavaCommunication plugin tutorial for 3dsMaxHere is a small tutorial that will get you started with AWB communication plugin. The communication plugin is a powerful tool that let you import your 3dsMax animation into a World Builder landscape. You can see your animation with shadow and reflection, and now you can even see the World Builder trees shadow casting on the 3dsMax objects.
Here is how it work...
First you need to create a communication object in World Builder. In World builder, click on: Create4Communication Object4Max Communication Object (figure 1). This will create a communication object that you will use later to import your objects from 3dsMax. From the Create menu, select camera to create a new World builder camera if you wish to use a camera from World builder.
Second, if it is not started yet, you will need to start 3dsMax. The new communication plugin is no longer located in the Utilities section but in the Rendering/Environment menu. From 3dsMax, click on Rendering4Environment, to open the Environment dialogue box..
Download pdf Communication plugin tutorial for 3dsMax
