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NETFLOW & NETWORK-BASED APPLICATION RECOGNITION ITD PRODUCT MANAGEMENT NOVEMBER 2003
Overview of NetFlow and  Network-Based Application Recognition ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NetFlow and NBAR, November 2003 © 2003 Cisco Systems, Inc. All rights reserved.
NetFlow and NBAR Benefit Footprints Enterprise Backbone Enterprise Premise Edge Service Provider Aggregation Edge Service Provider Core ,[object Object],[object Object],[object Object],[object Object],[object Object],NetFlow ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NBAR ,[object Object],[object Object],[object Object],[object Object],[object Object]
NetFlow and NBAR Benefit Footprints Enterprise Backbone Enterprise Premise Edge Service Provider Aggregation Edge Service Provider Core ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NetFlow ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NBAR ,[object Object]
NetFlow and NBAR: Main Objectives and Benefits NetFlow and NBAR, November 2003 © 2003 Cisco Systems, Inc. All rights reserved. Cisco Internal Use Only Persistent Network Usage Record Traffic & routing information analysis IP accounting and Billing Technology Which users utilize the network  What types of traffic  When is the network utilized Where does the traffic go NetFlow Flow Characterization Network Usage Capacity Planning, Traffic Engineering, Peering Data Export Optimize application performance via QoS  NBAR Main Benefit Main Objective Validation or reclassification of ToS marking based on packet inspection Identify & classify traffic based on payload attributes & protocol characteristics
NetFlow and NBAR:  Additional Objectives and Benefits NetFlow and NBAR, November 2003 © 2003 Cisco Systems, Inc. All rights reserved. Cisco Internal Use Only IETF IPFIX WG Standard and NetFlow v.9 flexible extensible format Optimized Edge Routing (OER) Permanent Record of network activity Capacity Planning and Traffic Engineering DDOS & Worm Detection NetFlow Flow Characterization Network Usage Billing Capacity, Traffic Eng, Peering Data Export NBAR Side Benefits Main Objective Application statistics for bandwidth provisioning Detection & dropping/limiting of undesired traffic – peer-to-peer file sharing, worms, … Identify & classify traffic based on payload attributes & protocol characteristics
Uniqueness and Strengths  of NetFlow and NBAR  NetFlow and NBAR, November 2003 © 2003 Cisco Systems, Inc. All rights reserved. New New New ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NetFlow ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NBAR
NetFlow and NBAR Differentiation NetFlow and NBAR, November 2003 © 2003 Cisco Systems, Inc. All rights reserved. Interface Source  IP Address IP Header TCP/UDP  Header Source Port Data  Packet Destination Port Protocol Link Layer Header Deep Packet (Payload) Inspection TOS NetFlow NBAR NetFlow and NBAR both leverage Layer 3 and 4 Header Information Destination IP Address ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
NetFlow and NBAR useful for Security  NetFlow and NBAR, November 2003 © 2003 Cisco Systems, Inc. All rights reserved. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Flow information is useful against attacks
Summary of Benefits NetFlow and NBAR, November 2003 © 2003 Cisco Systems, Inc. All rights reserved. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NBAR ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NetFlow
© 2003 Cisco Systems, Inc. All rights reserved. NetFlow and NBAR, November 2003

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Access Control List Demo

  • 1. NETFLOW & NETWORK-BASED APPLICATION RECOGNITION ITD PRODUCT MANAGEMENT NOVEMBER 2003
  • 2.
  • 3.
  • 4.
  • 5. NetFlow and NBAR: Main Objectives and Benefits NetFlow and NBAR, November 2003 © 2003 Cisco Systems, Inc. All rights reserved. Cisco Internal Use Only Persistent Network Usage Record Traffic & routing information analysis IP accounting and Billing Technology Which users utilize the network What types of traffic When is the network utilized Where does the traffic go NetFlow Flow Characterization Network Usage Capacity Planning, Traffic Engineering, Peering Data Export Optimize application performance via QoS NBAR Main Benefit Main Objective Validation or reclassification of ToS marking based on packet inspection Identify & classify traffic based on payload attributes & protocol characteristics
  • 6. NetFlow and NBAR: Additional Objectives and Benefits NetFlow and NBAR, November 2003 © 2003 Cisco Systems, Inc. All rights reserved. Cisco Internal Use Only IETF IPFIX WG Standard and NetFlow v.9 flexible extensible format Optimized Edge Routing (OER) Permanent Record of network activity Capacity Planning and Traffic Engineering DDOS & Worm Detection NetFlow Flow Characterization Network Usage Billing Capacity, Traffic Eng, Peering Data Export NBAR Side Benefits Main Objective Application statistics for bandwidth provisioning Detection & dropping/limiting of undesired traffic – peer-to-peer file sharing, worms, … Identify & classify traffic based on payload attributes & protocol characteristics
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  • 11. © 2003 Cisco Systems, Inc. All rights reserved. NetFlow and NBAR, November 2003