
© 2011 Cisco and/or its affiliates. All rights reserved. Cisco Public
BRKUCC-2617
26
New Standards and RFCs
Cisco Medianet DiffServ QoS Recommendations (RFC 4594-Based)
Application
Class
Per-Hop
Behavior
Admission
Control
Queuing &
Dropping
Application
Examples
VoIP Telephony EF Required Priority Queue (PQ) Cisco IP Phones, CSF & CIUS Clients (G.711/722, G.729)
Broadcast Video CS5 Required (Optional) PQ Cisco IP Video Surveillance / Cisco Enterprise TV
Realtime Interactive CS4 Required (Optional) PQ Cisco TelePresence, CIUS Video
Multimedia Conferencing AF4 Required BW Queue + DSCP WRED Cisco Unified Personal Communicator, WebEx
Multimedia Streaming AF3 Recommended BW Queue + DSCP WRED Cisco Digital Media System (VoDs)
Network Control CS6 BW Queue EIGRP, OSPF, BGP, HSRP, IKE
Call-Signaling CS3 BW Queue SCCP, SIP, H.323
Ops / Admin / Mgmt (OAM) CS2 BW Queue SNMP, SSH, Syslog
Transactional Data AF2 BW Queue + DSCP WRED ERP Apps, CRM Apps, Database Apps
Bulk Data AF1 BW Queue + DSCP WRED E-mail, FTP, Backup Apps, Content Distribution
Best Effort DF Default Queue + RED Default Class
Scavenger CS1 Min BW Queue (Deferential) YouTube, iTunes, BitTorent, Xbox Live
http://www.cisco.com/en/US/docs/solutions/Enterprise/WAN_and_MAN/QoS_SRND_40/QoSIntro_40.html#wp61104
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