Open Knowledge Initiative

Architectural Overview

12/15/01

OKI Philosophy

• Infrastructure for Educational Application Development and Support

• Pedagogically Driven• Open (low threshold for access/adoption)• Collaborative• Enabling Sharing of Diverse Application

Development Efforts• API Based/Implementation Independent

Deliverables

• 1.x Version of OKI Framework Spec.

• Implementations of Framework APIs

• Collection of Exemplar Tools/Applications (Including “LMS” Solution)

• Developer Community Strategy

• Sustainability Strategy

OKI Architecture

• API Based Framework Specification

AuthN AuthZ DBMS File GUID Rules Etc...

Course Mgmt Content Mgmt Assessment Etc...ComponentAPIs

CommonServiceAPIs

OKI Architecture

• OKI Framework Specification

• Framework Implementations

AuthN AuthZ DBMS File GUID Rules Etc...

Course Mgmt Content Mgmt Assessment Etc...Component APIs

CommonServiceAPIs

Infrastructure

OKI Architecture

• OKI Framework Specification

• Framework Implementations– Local

– Modular

.AuthN AuthZ DBMS File GUID Rules Etc...

Course Mgmt Content Mgmt Assessment Etc...ComponentAPIs

CommonServiceAPIs

Infrastructure

OKI Architecture

.AuthN AuthZ DBMS File GUID Rules Etc...

Course Mgmt Content Mgmt Assessment Etc...ComponentAPIs

CommonServiceAPIs

Pedagogical ToolsApplication Suite

Infrastructure

ClientObjects

ClientApps

ClientObjects

ClientApps

ClientObjects

WebApps

Browser

Browser

ClientObjects

WebApps

Browser

Browser

ClientObjects

Client Appss

OKI ServicesOKI ClientsCampus

Infrastructure

OKI Service Model

Multiple OKI Servers Serving Different Content, But Sharing Some Enterprise Services

SIS Data

Authentication/Authorization

Digital Repository

SIS Data

Digital Repository

Multiple OKI ServersSharing Common Infrastructure Services

SIS Data

Authentication/Authorization

Digital Repository

Messaging

OKI Processes

Common Services

OKI/LMS Services

Pedagogical Tools

User Experience

Infrastructure

EALP

Architecture

Sustainability

Common Services

LMS Services

OKI Tools

User Experience

Infrastructure

EALP

• Educational Activities and Learning Practices– LMS Summit – April 2001– Needs assessment/scenarios– Tool Definition Workshop – Oct 15, 16– Current Directions

• User Experience

• Content Management

Architecture Group

• Primary team is at MIT– Approximately 3FTE

– Provide bulk of day to day effort

• Core partner designers– Have met 4 times since May

– Critical input and contribution

– Backgrounds range from system design, instructional application design, library systems

Institutional Partners (Design)

• MIT

• Stanford University

• North Carolina State University

• University of Michigan

• University of Wisconsin

• University of Pennsylvania

• Dartmouth College

Stay Tuned

http://web.mit.edu/oki