1. EVLA Overall Software Design
Final Internal Review
Introduction and Overview
by Tom Morgan
14 June, 2004
EVLA Overall Design
Introduction and Overview

2. Introduction and Overview
Outline
Design Team Charge
Design Scope
Design Process
NRAO Observatory Model
EVLA Software System Layout
14 June, 2004
EVLA Overall Design
Introduction and Overview

3. Design Team Charge “Develop an overall architecture
and design for the EVLA
software system including
both M&C and e2e elements.”
14 June, 2004
EVLA Overall Design
Introduction and Overview

4. Introduction and Overview
Design Scope
Description of Overall System
Data (in general terms)
Major Functions and their Primary Components
Connections (Major ones and some next level)
Data Stores
Some Other Important Functions
14 June, 2004
EVLA Overall Design
Introduction and Overview

5. Introduction and Overview
Design Process
Requirements Analysis
Subsystem Decomposition
Operational Analysis
High Level Subsystems Layout
High Level Subsystems Connectivity
Initial Subsystem Specification
14 June, 2004
EVLA Overall Design
Introduction and Overview

6. Introduction and Overview
Design Process
Definition of Terms
Resolution of Terminology Conflicts (Both internal and with ALMA)
Rectification with NRAO Models
Rectification with ALMA Designs
14 June, 2004
EVLA Overall Design
Introduction and Overview

7. NRAO Observatory Model
Telescope Data Model
Export Data Format
Science Data Model
Feedback to telescope
Proposal Submission
And Handling
Observer
Observation Preparation
EVLA
VLBA
ALMA
GBT
NRAO
End-to-End
Dataflow
Sched
Control
Data
Capture
Archive
Telcal
Offline VO
Scientist
Domain
Mostly Telescope-Independent
Common Software
Science
Quick Look
Pipeline
GBT Postproc
Telescope
Mostly Telescope-Specific
Project Software
14 June, 2004
EVLA Overall Design
Introduction and Overview

8. EVLA Software System Layout
14 June, 2004
EVLA Overall Design
Introduction and Overview