Overview of Gateway Project http://www.npac.syr.edu/users/gcf/gatewayoverviewaug99 Bill Asbury, Ken Flurchick, Geoffrey Fox, Tom Haupt

8/14/99


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Table of Contents

Overview of Gateway Project http://www.npac.syr.edu/users/gcf/gatewayoverviewaug99 Bill Asbury, Ken Flurchick, Geoffrey Fox, Tom Haupt

Abstract of Gateway Overview

Gateway: Some People and Organizations

Gateway High Level Overview

Gateway Architecture

Gateway Software Hierarchy

Gateway Top Level Requirements

Initial Gateway Capabilities -- SC99

Gateway Project Timeline

Gateway Project in a Nutshell

LMS Goals and Front-End

WebFlow on Globus -- LMS at CEWES

What does Gateway do for you?

Another Gateway Prototype: Quantum Chemistry PSE for NCSA Alliance

Technical Assumptions

Gateway View of invoking a program

Basic Multi Tier architecture

Proxy -- Proxy -- Backend Capability

Implementation Architecture

Some Observations on Gateway

XML and the Front End

ScienceML

Scientific Notepad

Gateway Programming Model

Gateway Support of Simple Standalone Codes

Multi Tier Computing Model

Gateway Support of Simple Standalone Codes

Gateway Technologies

Gateway Architecture

Gateway System

Gateway Front End

Gateway PSE Example: CCM

Current Gateway Interface

Gateway Middle Tier Services

Middle Tier Objects

WebFlow in Gateway

File Operations from the Control Applet

Gateway Security Model

Gateway and IMT and FMS

File Formats I

File Formats II

Collaboration I

Collaboration II

Collaboration and Gateway I

Collaboration and Gateway II

Application Issues I

Application Issues II

Author: Geoffrey Fox

Email: gcf@npac.syr.edu

Home Page: http://www.npac.syr.edu