A Nove Fuzzy Logic Base Scheduling mechanism for service differentiation in IP Network

Qunhty 0 service ( .os ref . itl a sci (if rules or techniques h al help the network ; dministrators use the a dablonetwork resources optimally (i) manag the effe of congestion and to treat the applicalitlfl according to their needs.the different iated services architecture (diffserv) allows providing uality of service lo u ers, 1111: major dillscrvprcrmsc is that individual ilows with similar qos requirements can be aggregated in larger hie sers and identified asclasses. relative servi ce difft.1't.'l1 lialicm is a simple: and easily deployed approach compi red to the absolutediffcreruiation service, iii this paper, we use fuzzy logic ystems to design :j novel al 1 ithm for queue man gcme:rn andscheduling of classified packets in the differentiated service if> etworks, the proposed model consi ts of'two part•. thefirst part of he proposed mode is used.for absolute l.1iffcrcfl tinl services and tries to optimize qos paramerers nnd toshare sources between differcnt requests fairl . tilt: sewl1t1 r ~rt iii' the proposed fuzzy system is dedicated to relativeditfsc rv model. lv, one of the famous exi ling algorithms for both buffer management and ' heduling iii the relativediffcrcntiat i service is jobs al orltlnn, in the second parts of the propose system, we modi fy the traditional jobsnlgori hm and proposed fuzz}' based modrticaueo of existing jobs algorithm. the proposed ii gorithm uses-differentfuzzy logic controllers to differentiate the delu • oft ralfie clil-ssc:;, simul tim results confinn that the proposed f1lz7.}'system. un prnvide better delay diffcrcntiaicd than the traditional algoriihms.