Cisco: QoS

Convenio Marco de Cooperación y Asistencia Técnica

..resentacionLSarra.jpg Fundación Proydesa y la filial Argentina de SLS LATAM Tienen el agrado de comunicar la formalización de un Convenio Marco de Cooperación y Asistencia Técnica con el objeto de investigar, desarrollar y promover la formación en y con tecnología, ingresando decididamente como actores protagónicos en la Educación del Siglo XXI y acompañando en forma coordinada el esfuerzo que diariamente realiza Cisco Systems por cambiar la forma en que nos comunicamos y educamos

Introducing QoS Understanding the Need for QoS

Before Converged Networks ,[object Object],[object Object],[object Object],[object Object],[object Object]

After Converged Networks ,[object Object],[object Object],[object Object],[object Object],[object Object]

Converged Networks: Quality Issues ,[object Object],[object Object],[object Object],[object Object]

QoS Traffic Requirements: Data ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

QoS Traffic Requirements: Voice ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],– QoS Traffic Requirements: Voice

QoS Requirements: Videoconferencing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Converged Networks: Quality Issues (Cont.) ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object]

Best-Effort Model It will get there when it gets there. ,[object Object],[object Object],[object Object],[object Object]

Best-Effort Model (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IntServ Model ,[object Object],[object Object],[object Object],[object Object],It will be there by 10:30 a.m.

IntServ Model (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],IntServ Model (Cont.)

IntServ Model (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DiffServ Model ,[object Object],[object Object],[object Object],[object Object],Do you want overnight delivery? Do you want two-day air delivery? Do you want three- to seven-day ground delivery?

Step 1: Identify Traffic and Its Requirements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Step 2: Divide Traffic into Classes

Classification ,[object Object],[object Object],[object Object]

Differentiated Services Model ,[object Object],[object Object],[object Object],[object Object],[object Object]

DSCP Encoding ,[object Object],[object Object]

DiffServ Model (Cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

QoS Mechanisms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Congestion Management ,[object Object],[object Object]

Congestion Avoidance ,[object Object],[object Object],[object Object]

Link Fragmentation and Interleaving ,[object Object],[object Object]

Applying QoS to Input and Output Interfaces

Methods for Implementing QoS Policy ,[object Object],[object Object],[object Object],[object Object],[object Object]

Implementing QoS with CLI interface Multilink1 ip address 10.1.61.1 255.255.255.0 ip tcp header-compression iphc-format load-interval 30 custom-queue-list 1 ppp multilink ppp multilink fragment-delay 10 ppp multilink interleave multilink-group 1 ip rtp header-compression iphc-format ! ,[object Object],[object Object],[object Object],[object Object]

Implementing QoS with MQC ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],class-map VoIP-RTP match access-group 100 class-map VoIP-Control match access-group 101 ! policy-map QoS-Policy class VoIP-RTP priority 100 class VoIP-Control bandwidth 8 class class-default fair-queue ! interface serial 0/0 service-policy output QoS-Policy ! access-list 100 permit ip any any precedence 5 access-list 100 permit ip any any dscp ef access-list 101 permit tcp any host 10.1.10.20 range 2000 2002 access-list 101 permit tcp any host 10.1.10.20 range 11000 11999

Implementing QoS with AutoQoS [trust] option is used to trust DSCP marking ,[object Object],[object Object],[object Object],[object Object]

Comparing Methods for Implementing QoS

Cisco: QoS

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Cisco: QoS