QoS Classification

QoS ClassificationSpeakerDate2009/12/28*

OutlineWimax Introduction802.16 MAC LayerSystem ArchitectureWimax ClassificationClassify Method3G-UMTS IntroductionEnd-to-End QoS ArchitectureSystem Architecture3G-UMTS ClassificationDesign Classify Method*

Wimax IntroductionWiMAX Worldwide Interoperability for Microwave AccessIEEE 802.1670MbpsWireless MAN(WMAN)Last Mile accessDSL*

Wimax Introduction (cont.)QoS

802.16 MAC Layer*

802.16 MAC Layer (cont.)Service-Specific Convergence Sublayer (CS)PDUMAC CPSMAC CPSMAC Common Part Sublayer (MAC CPS)802.16MAC PDUQoSARQBSSSSecurity Sublayer802.16

*

System Architecture*

DL Parsing Processor (DLPP)

Rule Creating Processor (RCP)

Rule Mapping Processor (RMP)

Priority Setting Processor (PSP)

Admission Control

Rules Database Processor (RDP)

Scheduling

UL Parsing Processor (ULPP)

PHS Processor (PHSP)

Driver Sender

Driver Receiver

PHS Rebuilding Processor (PHSRP)

Driver

PacketForwarding Processor (PFP)

CS

CPS

UL Receiver

External Interface

Internal Interface

Reference

Wimax ClassificationUGS exVoIPQoSRTPSexMPEGQoSERTPSexsilence suppressionVoIPQoS*

Wimax Classification (cont.)NRTPSexFTPQoSBE exemailweb serviceQoS*

Classify Method*TagPriorityQoS1. IEEE802.1p

163112TPIDPRIORITYCFIVID

Priority valueService Flow Type0BE1~3NRTPS4~5RTPS6~7UGS

Classify Method (cont.)2. Type of Service*RFC1349TOSIPv4 header

01234567PrecedenceDTRCReserved

Classify Method (cont.)DifferServCode point*IETFPHBs

1

0

1

1

1

0

Class-Selector

Best-Effort Default PHB

0

1

2

3

4

5

6

7

DSCP

CU

X

X

X

X

X

0

1

1

1

0

0

0

1

1

0

0

0

0

1

0

1

0

0

0

1

0

0

0

0

0

0

1

1

0

0

0

0

1

0

0

0

0

0

0

1

0

0

0

0

0

0

0

0

0

0

1

0

0

0

0

0

1

0

0

1

0

0

1

0

1

0

0

0

1

1

0

0

0

0

1

1

0

1

0

0

1

1

1

0

0

1

0

0

0

0

0

1

0

0

0

1

0

1

0

0

1

0

0

1

0

1

0

0

0

1

0

1

0

1

0

1

0

1

1

0

0

Class 1

Class 2

Class 3

Class 4

Low Drop

Medium Drop

High Drop

Low Drop

Medium Drop

High Drop

Assured Forwarding PHB

Expedited Forwarding PHB

Classify Method (cont.)Port NumbersDestination IP AddressSource IP AddressDestination TCP or UDP Port Number Source TCP or UDP Port Number*

Classify Method (cont.)RTPPayload Type

*RTP Header

Classify Method (cont.)*Payload TypeQoS

3G-UMTS Introduction(3G)(1G)(2G)(ETSI)3G UMTSUniversal Mobile Telecommunications SystemUMTS WCDMA(Wideband CDMA)2MbpsGSMGPRS GSM *

End-to-End QoS Architecture*

System Architecture*

3G-UMTS ClassificationConversational Class ( VoIPvideo telephon ) Streaming Class ( video downloading ) ( web radio) *

3G-UMTS Classification (cont.)Interactive Class ( Interactive Web )database retrieval Background Class ( E-mail ) ( files ) ( Short Message Service SMS ) *

3G-UMTS Classification (cont.)*

Design Classify MethodWimax4rule class*

Future WorkPacket GeneratorIntelligent Rule Mapping3G-UMTS classification methodQoS StatisticRuleGUI*

Reference[1] http://www.eettaiwan.com/ART_8800441294_617723_AN_a40e2485.HTM[2] UMTS[3] Quality of Service (QoS) 3G and Beyondhttp://193.136.221.5/anwire/QoS%203G%20and%20Beyond.pdf[4] http://www.mee.chu.edu.tw/labweb/WCE2003/paper/a0018.pdf*

***ERTPS - UGSrtPS UGSBS*02ip83611000010000100001000055*8 = 40*(DF)000000BE(CS)xxx0000000007(EF)101110(AF)*TCP/IPTraffic FlowconnectionDestination Port Number0102301023Well-Known Port102449151Registered PortIANA4915265535Dynamic PortDestination IP AddressSource IP Address Port Number*IP PhoneToSDSCPVLANPort NumberPort Number

Payload Type7bitsPayload DataRTPPayload Data0~127Payload Type

RTPRules DatabaseBest EffortBackgroundRTPBest EffortUDP HeaderSender Side Parsing ProcessorUDP HeaderRTPRuleVersionPayload TypeTimestampSSRCBest EffortRTPRTP HeaderRTP5*UMTS End-to-End QoS(Bearer Service)QoS API End-to-End Service QoS3TE/MT UMTS UMTS CN Iu

*1. 2. UTRAN

1. 2. CASC(real time)IABA(best effort)*2. wimaxclassrule*IntelligentWiFi3GWimax

*

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QoS Classification