Title :
Integrated ARM/AQM mechanisms based on PID controllers
Author :
Agrawal, Deepak ; Fonseca, Nelson L S da ; Granelli, Fabrizio
Author_Institution :
DIT, Trento Univ., Italy
Abstract :
The paper presents integrated mechanisms for differentiated service (DiffServ) architecture consisting of active rate management (ARM) at the edges of the network and two-color active queue management (AQM) controllers at the core of the network. The AQM controller is a robust linear quadratic regulator based proportional-integral-derivative controller for two-color marking at the core. The proposed mechanism is for DiffServ assured forwarding per hop behavior for guaranteeing minimum rates for exact and over-provisioned systems. The performance of the proposed scheme is evaluated and compared with other approaches using the NS-2 simulator.
Keywords :
DiffServ networks; computer network management; linear quadratic control; quality of service; queueing theory; telecommunication control; three-term control; DiffServ; DiffServ assured forwarding per hop behavior; PID controllers; QoS; active rate management; differentiated service architecture; exact systems; linear quadratic regulator; over-provisioned systems; proportional-integral-derivative controller; quality of service; two-color active queue management controllers; two-color marking; Computer network management; Delay; Diffserv networks; Pi control; Proportional control; Quality of service; Regulators; Robust control; Three-term control; Throughput;
Conference_Titel :
Communications, 2005. ICC 2005. 2005 IEEE International Conference on
Print_ISBN :
0-7803-8938-7
DOI :
10.1109/ICC.2005.1494311
