Title :
End-to-End delay analysis of avionics Full Duplex switched Ethernet with different flow scheduling scheme
Author :
Zhang, Xuesong ; Chen, Xin ; Zhang, Lei ; Xin, Guofeng ; Xu, Tong
Author_Institution :
Dept. of Inf. Manage., Beijing Inf. Sci. & Technol. Univ., Beijing, China
Abstract :
The determinacy of Full Duplex Switch Ethernet (AFDX) provides a guaranteed service to support real-time data transmission among avionics subsystem [1]. Traditional AFDX adopts FIFO scheduling algorithm in ES and output port in switches. In this paper, we explore the feasibility to use various scheduling policy in AFDX protocol. The aim of this research is to identify whether alternative scheduling policy can provide good enough QoS service which meets the requirements of avionic environment. We calculate the End-to-End delays of virtual links (VL) in three given circumstance using Network Calculus: PGPS and SP scheme on scheduler of ES and FIFO and SP on output port of AFDX switch. Numerical result shows that the scheme of SP on scheduler of ES and output port of AFDX switch rather than FIFO can provide an improved service.
Keywords :
avionics; data communication; delays; local area networks; processor scheduling; protocols; quality of service; switching networks; AFDX determinacy; AFDX protocol; AFDX switch; ES scheduler; FIFO scheduler; PGPS scheme; QoS; SP scheme; avionics full duplex switched Ethernet; avionics subsystem; end system; end-to-end delay analysis; first in first out scheduling algorithm; flow scheduling scheme; network calculus; packet generalized processor sharing; real-time data transmission; static priority; virtual links; Switches; End System (ES); First in First out (FIFO); Full Duplex Switch Ethernet (AFDX); Network Calculus (NC); Packet Generalized Processor Sharing (PGPS); Static Priority (SP);
Conference_Titel :
Computer Science and Network Technology (ICCSNT), 2011 International Conference on
Conference_Location :
Harbin
Print_ISBN :
978-1-4577-1586-0
DOI :
10.1109/ICCSNT.2011.6182423
