Fair Bandwidth Sharing among Virtual Machines in a Multi-criticality Scope

• Type: Article in International Conference Proceedings Book
• Date: 2013

Authors

Stefan Groesbrink (Author) Other; Luis Almeida (Author) FEUP; Mário de Sousa (Author) FEUP; Stefan M. Petters (Author) Other

Conference proceedings International

Title: 5th Workshop on Adaptive and Reconfigurable Embedded Systems

Pages: 1-4

APRES 2013 - 5th Workshop on Adaptive and Reconfigurable Embedded Systems

Philadelfia, USA, 8 a 13 de Abril de 2013

Scientific classification

FOS: Engineering and technology > Electrical engineering, Electronic engineering, Information engineering

Other information

Abstract (EN): System virtualization¿s consolidation in separated virtual machines provides a reasonable way to integrate formerly distinct systems into a single mixed-criticality multi-core system. We propose an adaptive resource management scheme for virtualization-based systems that have to be certified. Periodic servers and the elastic task model combine analyzability at design time with adaptability at runtime. A mode change or the enabling / disabling of tasks trigger a resource redistribution, which guarantees that a specified minimum is always allocated and obtains a fair distribution of spare capacity among the virtual machines. The partitioned scheduling and the assignment of static priorities ease certification. The scheme has the potential to improve the resource utilization and support adaptive and selfoptimizing applications with strongly varying execution times.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 4