Design Patterns for Graceful Degradation

Developing a Software Architecture for Graceful Degradation in an Elevator Control System

Many embedded systems have high safety and dependability requirements, which makes ensuring software robustness a top priority in these systems. As embedded computer systems become more complex and incorporate increasing functionality, their software systems become increasingly more difficult to design, build, and maintain. One approach to achieving software robustness is graceful degradation. ...

An Analysis of Graceful Degradation as a Design Method for Multi-Platform User Interfaces

A Product Family Approach to Graceful Degradation

Design of gracefully degrading systems, where functionality is gradually reduced in the face of faults, has traditionally been a very difficult and error-prone task. General approaches to graceful degradation are typically limited to re-implementation of the system for a number of pre-designated fallback configurations. We describe an architecture-based approach to gracefully degrading systems ...

Evolving Fractal Gene Regulatory Networks for Graceful Degradation of Software

Fractal proteins are an evolvable method of mapping genotype to phenotype through a developmental process, where genes are expressed into proteins comprised of subsets of the Mandelbrot Set. The resulting network of gene and protein interactions can be designed by evolution to produce specific patterns that in turn can be used to solve problems. In this paper, adaptive developmental programs, c...

A Framework for Scalable Analysis and Design of System-wide Graceful Degradation in Distributed Embedded Systems

We present a framework that will enable scalable analysis and design of graceful degradation in distributed embedded systems. We define graceful degradation in terms of utility. A system that gracefully degrades suffers a proportional loss of system utility as individual software and hardware components fail. However, explicitly designing a system to gracefully degrade; i.e. handle all possible...