tier 3

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What is Tier-1 and Tier2

What exactly does Tier-1 and Tier-2 mean in relations to being a network administrator?Three tier systemTier 1: help deskTier 2: The person that the help desk person calls when they don't know the answer.Tier 3: The person that the Tier 2 person calls when they don't know the answer. The...

Tags: g8qypr@..., help desk, networking, Tier 2, Tier 3

Discussion threads 2005-02-18

Additional Resources

HP OV Operation Performance Agent

I've been looking into HP OpenView brocher and found out that they have coded several tier for the System above subject title. My questions is - What is "Tier" mean? How they defind the "Tier" for the specified server (Teir 0, Tier 1, Tier 2, etc)? I've...

Tags: Agent, Hewlett-Packard Co., performance, sham_peace@..., Tier

Q&A 2005-08-22

Performance Modeling on the Interaction of ISPs

This paper considers interactions of Internet Service Providers ISPs and how these interactions can affect the overall traffic and resource allocation between ISPs. In particular, the paper considers a simplified two-level hierarchical model wherein there are a single tier-1 ISP and N>1 tier-2 ISPs. Each tier-2 ISP needs to pay...

Tags: Performance, Internet Service Provider, Service Provider, Internet Service Providers (ISPs), Business Services, Internet

White papers 2007-01-01

Building an N-Tier Application in .NET

There are many types of n-tier applications that programmers have developed over the years. Since classes were first introduced in Microsoft Visual Basic 4.0, many programmers have attempted to come up with the definitive method of creating n-tier applications. This paper presents an overview of the types of n-tier applications....

Tags: Application, Microsoft .NET, Web Service, Microsoft Corp., Programmer, Web Services, Development Tools, Channel Management, Enterprise Software, Software, Software Development, Software/Web Development, Marketing

White papers 2002-02-01

The Data Center Tier Performance Standards and Their Importance to the Owners Project Requirements

The data center industry has experienced several evolutions over the past 20 years. One of the principal changes has been the development of the Tier Performance Standards. The standards provide quantifiable plateau's or Tier Levels. Tier Levels provide an objective basis for comparing the capabilities of a particular design topology...

Tags: Data Center, Performance, Standards, Data Center Industry, Data Centers, Storage, Hardware, Data Management

White papers 2007-05-04

The Data Center Tier Performance Standards and Their Importance to the Owner's Project Requirements

The data center industry has experienced several evolutions over the past 20 years. One of the principal changes has been the development of the Tier Performance Standards. Tier Levels provide an objective basis for comparing the capabilities of a particular design topology against other designs as well as the associated...

Tags: Data Center, Performance, Standards, Data Center Industry, Data Centers, Storage, Hardware, Data Management

White papers 2007-05-04

Adaptive Two-Tier Energy-Efficient Multicasting in Mobile and Wireless Ad Hoc Networks

This paper studies the problem of energy-efficient multicasting in mobile and wireless ad hoc networks. To deal with node mobility, the paper presents a two-tier multicasting model which consists of mobile nodes and stationary nodes. Mobile nodes achieve multicasting through the closest stationary node at lower tier. Stationary nodes route...

Tags: Mobile, Node, Multicasting, Tier, Wireless, Advertising & Promotion, Marketing

White papers

DB2 Performance Expert for Multiplatforms for Business Intelligence

DB2 Performance Expert for Multiplatforms (DB2 PE) is a general purpose DB2 performance monitoring and analysis framework. It is flexible enough to be applied in all types of DB2 environments. The focus of this paper is on how to leverage DB2 PE in DB2 Business Intelligence environments. DB2 PE is...

Tags: Business Intelligence, Performance, IBM DB2, DB2 PE, Databases, Enterprise Software, Software, Data Management

White papers 2006-02-08

Web Tier to Go With Java EE 5: Summary of New Features in JSP 2.1 Technology

The main theme for the Java Platform, Enterprise Edition Java EE 5 is ease of development. The platform's web tier contributes significantly to ease of development in two ways. First, the platform now includes the Java Standard Tag Library JSTL and JavaServer Faces technology. Second, all the web-tier technologies offer...

Tags: Web, Platform, Sun Microsystems Inc., Web Application, JSP, Programming Languages, Java, Software Development, Software/Web Development

White papers 2006-02-01

Optimising LAN Access to Grid Enabled Storage Elements

When operational, the Large Hadron Collider experiments at CERN will collect tens of petabytes of physics data per year. The worldwide LHC computing grid WLCG will distribute this data to over two hundred Tier-1 and Tier-2 computing centres, enabling particle physicists around the globe to access the data for analysis....

Tags: LAN, Microsoft Access, Data, Grid, University Of Glasgow, Storage, Hardware

White papers 2007-09-21

Novell ZENworks 6.5 Desktop Management

In Novell ZENworks 6.5 Desktop Management, Novell includes an architectural element known as the ZENworks Middle Tier Server. The middle-tier server is a Web server with ZENworks Web components built on Apache or Internet Information Services IIS that provide functions to the workstation agents, allowing them to deliver ZENworks Desktop...

Tags: Novell Inc., Novell ZENworks, Desktop Management, Desktops, Servers, Hardware

White papers 2005-02-25

HP and Symantec: Enabling ILM Solutions With Dynamic Storage Tiering White Paper

This paper presents a concrete implementation of a tiered storage solution using the best-of-breed components from both Symantec and HP. The paper outlines how to set up an MVFS, defines DST policies, and enforces the policies in an HP storage environment. These actions enable the IT managers involved in the...

Tags: Symantec Corp., Hewlett-Packard Co., Storage, Hardware

White papers 2007-07-01

LLBLGen Pro (msi)

LLBLGen Pro, O/R mapper and data-access tier generator for .NET, generates a complete data-access tier and business faade/support tier for you (in C# or VB.NET), using an existing database schema set. In seconds. The generated .NET code is compiler-ready and can, being compiled by the .NET C# or VB.NET compiler,...

Tags: Compiler, Data Access, Microsoft Visual Basic.Net, .Net, C#, Programming Languages, Microsoft Development Tools, Application Servers, Middleware, Software Development, Software/Web Development, Development Tools, Enterprise Software, Software

Software downloads 2007-05-17

Elcom, Inc. Pioneers an Exceptionally Highly-Available IT Infrastructure Aided by HP

elcom wanted to redesign IT infrastructure to support the ASP business well into the future and maintain highest possible levels of availability for end users. The company wanted to provide leading-edge B2B solutions to leverage the rapidly changing technology and business conditions. The first tier of elcom's three-tier application architecture...

Tags: Hewlett-Packard Co., Tier, Microsoft Windows NT, Servers, Operating Systems, Microsoft Windows, Software, Hardware

Case studies

WebFacing and Single Sign-On: Exploiting Identity Tokens in Multi-Tier Web Applications

This paper describes how to build applications that run in multi-tier, heterogeneous, Web-based environments, while, at the same time, easily enabling those applications for single sign-on. Multi-tier applications are those that run on three or more separate systems. They typically include a "Fat client" running a browser-based user interface that...

Tags: Application, Web Application, Server, Single Sign-on, IBM Corp., Authentication/Encryption, Web Browsers, Security, Internet

White papers 2006-02-01

End-to-End Application Performance Management

The particular challenge of maintaining complex applications is that they cut across separate IT silos. An application will often include a Web tier, application logic, a database, and a storage tier. The successful execution of the application - let's say, transferring money from a checking to savings account - requires...

Tags: Symantec Corp., Performance, Information Technology, Tier, Application Performance Management, Symantec APM, Performance Management, Business Intelligence, Strategy, Human Resources, Workforce Management, Enterprise Software, Software, Data Management, Management

White papers 2007-09-22

MSDN Webcast: Best Practices in Distributed Smart Client Application Development (Level 300)

The presenter of this webcast talks about key attributes of smart client architectures. The presenter discusses tradeoffs that need to be considered, and design concepts that allow for simple, powerful and rapid application development. If a person has ever built a two-tier client/server application it can quickly understand the concepts...

Tags: Microsoft Developer Network, Application Development, Client-server, Webcast, Best Practice, Software Development, Digital Media, Servers, Software/Web Development, Consumer Electronics, Personal Technology, Hardware

Webcasts

A Distributed Architecture for WAP-Based Mobile GIS

WAP-based Mobile Geographical Information System Mobile GIS can be described as mobile users can perform the almost same functionality as of Internet GIS but in a mobile environment at any time, any place and without the limitation of operating system and wired link. In this paper, a distributed architecture for...

Tags: Mobile, Architecture, WAP, Advertising & Promotion, Cellular Phones, Wi-Fi, Wireless, Marketing, Consumer Electronics, Personal Technology

White papers 2004-06-07

Advanced Traffic Management for Carrier Ethernet Networks

The objective of this white paper is to highlight the requirement for hierarchical rate shaping in advanced carrier Ethernet networks. Differences between traffic shaping and traffic policing are considered along with models for two-tier and three-tier Quality of Service. With service providers deploying a growing number of latency sensitive services,...

Tags: QoS, Network, Extreme Networks, Carrier, Ethernet, Network Technology, Networking

White papers 2006-02-01

Sending a JMS message using servlets.

Hi,I want to know if it is possible for sending messages to a JMS server directly through a servlet without making use of any java beanMDB?Since EJB is defined in the business tier, is it possible to bypass this tier so as to make a simplified version of a message...

Tags: varun.info.it@..., software, project management, networking, programming, servlet, JMS

Discussion threads 2007-02-20