Image Processing Reference
In-Depth Information
2
Middleware Design and
Implementation for Networked
Embedded Systems
.
Introduction .........................................
-
Multiple Design Dimensions
●
Networked Embedded
Systems Middleware
●
Example Application: Ping Node
SchedulingforActiveDamageDetection
●
Engineering Life
Cycle
●
Middleware Design and Implementation Challenges
. MiddlewareSolutionSpace...........................
-
Problem: We Get More and/or Less han We Need
●
Solution: Use a Bottom-Up Composition Approach
to Get “Only” the Features hat We Need
●
Problem: No
Explicit Support for Temporal Coordination in the
Simulation Environment
●
Solution: Virtual Clock Integrated
with Real-Time Dispatching and Distribution Features
.
ORB Middleware for Networked Embedded
Systems:ACaseStudy................................
-
Message Formats
●
Object Adapter
●
Message Flow
Architecture
●
Time-Triggered Dispatching
●
Priority
Propagation
●
Simulation Support
. DesignRecommendationsandTrade-Ofs ...........
-
Use the Application to Guide Data-Types to Be Supported
●
Minimize Generality of the Messaging Protocol
●
Simplify
Object Life-Cycle Management
●
Simplify Operation Lookup
and Dispatch
●
Pay Attention to Safety and Liveness
Requirements
●
Design to Support the Entire Engineering
Life Cycle
. RelatedWork.........................................
Venkita Subramonian
AT&T Labs Research
-
. ConcludingRemarks.................................
-
Acknowledgments .........................................
-
Christopher D. Gill
Washington University
References .................................................
-
2.1 Introduction
Networked embedded systems support a wide variety of applications, ranging from temperature
monitoring to battlefield strategy planning []. Systems in this domain are characterized by the
following properties: