Modeling Towards Incremental Early Analyzability of Networked Avionics Systems Using Virtual Integration
- Authors
- Nam, Min-Young; Kang, Kyungtae; Pellizzoni, Rodolfo; Park, Kyung-Joon; Kim, Jung-Eun; Sha, Lui
- Issue Date
- Dec-2012
- Publisher
- ASSOC COMPUTING MACHINERY
- Keywords
- Design; AADL; avionics system design; end-to-end delay analysis; modeling; switching algorithm; virtual integration
- Citation
- ACM TRANSACTIONS ON EMBEDDED COMPUTING SYSTEMS, v.11, no.4, pp.1 - 23
- Indexed
- SCIE
SCOPUS
- Journal Title
- ACM TRANSACTIONS ON EMBEDDED COMPUTING SYSTEMS
- Volume
- 11
- Number
- 4
- Start Page
- 1
- End Page
- 23
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/36324
- DOI
- 10.1145/2362336.2362348
- ISSN
- 1539-9087
- Abstract
- With the advance of hardware technology, more features are incrementally added to already existing networked systems. Avionics has a stronger tendency to use preexisting applications due to its complexity and scale. As resource sharing becomes intense among the network and the computing modules, it has become a difficult task for the system designer to make confident architectural decisions even for incremental changes. Providing a tailored environment to model and analyze incremental changes requires a combination of software tools and hardware support. We have built a virtual integration tool called ASIIST which can provide a worst-case end-to-end latency of data that is sent through a network and the internal bus architecture of the end-systems. Also, we have devised a new real-time switching algorithm which guarantees the worst-case network delay of preexisting network traffic under feasible conditions. With the real-time switch support, ASIIST can provide an early modularized analysis of the end-to-end latency to make architectural design choices and incremental changes easier for the user.
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