Accessible System Design for

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8 Δεκ 2013 (πριν από 4 χρόνια και 6 μήνες)

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Usable and

Accessible System Design for
Web Services and Asset


The 2005 NMC New England Regional Conference

Yale University, New Haven, Connecticut

October 5
7, 2005


Karl Horvath

Assistant Director, Computer Services

Viral Mehta

Information Systems Specialist

Scott Birl

Senior Systems Administrator


About the organization

Overview of the Web Complex

Overview of the Media Complex

Usability and Accessibility Lab

Policies and Guidelines

Research and Development

Questions and Comments

Organization Specifics

Urban University

International campuses

Billion dollar organization

Tens of thousands of users

Diverse departments and missions

Decentralized infrastructure

Central administration and mission

Central branding and identity

Population and Assets

34,000 students

2,000+ faculty

5,000+ staff

1,000,000+ Web pages

500,000+ central Web pages

1,000’s Web sites and Web applications

1,000’s Web Developers

Unlimited Web Administrators

Unlimited Content Contributors


Web Users

Web Developers

Content Contributors

Web Administrators

System Administrators


Web User

Web Users are people who browse the Web, visit Web
sites and use Web media within the domain.)


Content Contributor

(Content Contributors are people who have permission
to edit, modify or update Web page or Web media
content within the domain. Content
Contributors are bound by all preceding sections of the
Temple University Web and Internet Policies and


Web Developer

(Web Developers are people who specialize in the
development of Web sites. Web developers handle
programming, create graphics, add pictures, include
links, modify Web page templates and develop
information design, among other duties. Web
Administrator and Web Developer roles can be held by
one person. Web Developers are bound by all preceding
sections of the Temple University Web and Internet
Policies and Guidelines.)


Web Administrator

Web Administrators can be any person at Temple. No technical expertise is
required or necessary to fill this role. This is purely an organizational and
operational role. Learning to be a Web administrator takes a short time
(minutes) and involves using simple and easy
use Web utilities. Web
administrators can be a administrative assistant, a department head, a Web
developer or any one else the department head wishes to designate to this
administrative role. Web administrators manage the Web operations
component of web sites. Web operations involves, but is not limited to the
following functions; providing access to to a Web site, scrutinizing the Web
site to ensure up
date content and compliance with university Web
branding, acting in the role of liaison between the departments and
department head office and other duties that ensure smooth departmental
or organizational Web operations. Web administrator and Web developer
roles can be held by one person. Web Administrators are bound by all
preceding sections of the Temple University Web and Internet Policies and


System Administrator

System Administrators configure, maintain and manage the central Web
complex infrastructure and Web operations.

Web Complex

Single Temple Web site account (no multiple systems)

Development and Production web server environments

Default web pages and templates for every Web site

Content Management System

Web tools and utilities for Developers and Administrators

Collaboration and support of Macromedia Inc.

Improved Web site and Webmaster request process

Web asset records and database for departments

Automatic failover to secondary server

Disaster recovery

Repurpose and organize existing Web resources

Web Complex

Software and Services

Web development and central Web administration

Content management deployment tool

Text Transcoder and LIFT Machine

Upgraded Web tools

Stats and logs

RSS feeds


Web logs

Default Web site pages and Web template

WAP and Handheld devices


Database connections

Content Management System

Web Complex

Hardware Configuration

RedHat Linux and Windows server farm

Apache and IIS configuration

Alteon front end

SAN back end

Automatic Failover and Data Replication

Full LDAP Authentication

Single web system for all web sites

Improved and more robust Web Utilities

SQL database server

Google search appliance

Web Complex

Current Project: Media Complex

A complimentary system that supports:

Streaming Media

New Media

Teaching and Collaboration

Legacy Media Systems

Distributed Server Configurations

Windows Media Server

Quicktime Server

Quicktime Server

Media Complex

Hardware Configuration

Helix Universal Streaming Servers (Real)

Flash Communication Servers (Macromedia)

Breeze Servers (Macromedia)

Alteon front end

SAN and NAS data storage back end

Automatic Failover and Data Replication

Media Complex

State of Streaming, why do it?

Increasing Broadband use

Decreasing cost of equipment

Easier access to technology

Distributed server configurations

Increasing teaching, learning opportunities

Organizational communication needs

Web development requests

Central administration

Web user expectations

Student projects (radio stations, course work)

Competitive institution

Media Complex Services

Live Streaming (multiple players)

Demand Streaming (multiple players)

Web Conferencing


Meetings (LDAP)

Macromedia Flash Development

Content Management System (LDAP)

Web blogs


Online TV Station

Media Complex

Vendors and Software



Real Networks

Helix Server


Breeze, Flash




2003 Advanced Server

Red Hat


Serious Magic

Visual Communicator 2

Usability and Accessibility Lab

Improve Web sites, applications and files

Evaluation and consulting

User interface or files

Information design

Visual design

ADA section 508



User testing

Load testing

What is the price of change?

Change the culture of the Web

New ways to communicate

New ways to teach and learn

Commitment to support

Commitment to research and development

Collaborate with partners and vendors

Failover and disaster recovery

Year 2, 3, maintenance and upgrade costs

Cost Benefit Analysis

CMS research (technology and support

New Media research (technology and
support requirements)

Justification based on comparison of

In house development

Commercial solutions

Open Source solutions

Cost Benefit Analysis

How much is initial investment

Forecast a gross profit

Calculate short term net profit

Extend net profit to one year

Year two net profit projection

Enterprise Complex Configuration


Content management

Offensive content

Content ownership and responsibility

Security and privacy



Branding guidelines

Vendors and non
Temple Web developers

Storage and disk space

Network and bandwidth

Support limitations

Web site backup and retrieval policy

Disk space and storage


Web developer

Web administrator limits

Web site and Web media protocols

File and Web naming conventions

Web tools, utilities and services

Programming and scheduling

Live and on
demand events

Costs and maintenance fees

Usability and accessibility

System maintenance

Research and Advisory groups

Web development advisory group

Temple University Content Management research lab


Web design


Streaming Media advisory group



Internet 2


Usability and Accessibility advisory group

Best practices

Research and collaboration

Web and Internet policy and guideline

Best practices




Questions and Comments: