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Revision as of 08:27, 7 March 2013
What exactly is Cisco AVC?
Cisco Application Visibility and Control (AVC) is a solution which uses multiple technologies of the Cisco ASR 1000 Series Aggregation Services Routers (ASR 1000) and Cisco Integrated Service Routers Generation 2 (ISR G2), and network management tools which, together provide powerful and pervasive integrated solution for discovering and controlling applications. Network administrators gain visibility into applications running in their network and their performance, as well as being able to apply application policy control to improve application performance and control network resource usage.
How does Cisco AVC work?
AVC works by enabling the software features within the Cisco ASR 1000 and Cisco ISR G2, in conjunction with network management tools, to perform the following functions
- Application recognition– use Deep Packet Inspection (DPI) to recognize and identify applications regardless of port number
- Performance monitoring- utilize embedded monitoring capabilities within the routers to extract and collect application usage, performance metrics, aggregate and export this information using open export format such as Netflow Version 9 and IPFIX to network management
- Network Management – enable Cisco and 3rd party network management to present visualization to the end users, as well as to provide feedback and implement policy to network devices to fine tune performance
- Control - control per-application bandwidth usage and intelligently select path to deliver application based on real time performance
Which technologies are used in Cisco AVC?
Cisco®AVC consists of the following technologies:
- Next-generation DPI technology called NBAR2, which can identify more than 1000 applications and support application categorization, with the ability to perform in-service update of application signatures.
- Flexible NetFlow (FNF) infrastructure and data export to select and export data of interest, allowing easy consumption of AVC information by Cisco and third-party applications.
- Performance collection engine to collect Application Response Time (ART) for TCP applications, and Media Monitoring (MMON) to collect voice and video performance such as jitter and loss. All the information is exported through Flexible Netflow infrastructure.
- Reporting and management tools, such as Cisco Prime™Infrastructure with Assurance module, an enterprise-grade infrastructure management and service monitoring tool for reporting of application and network performance, and a number of AVC Cisco Developer Network (CDN) partners such as ActionPacked, InfoVista, LivingObjects, and Plixer.
- QoS to facilitate optimization and control of application performance.
- Performance Routing (PfR) to provide per-application intelligent path selection based on real time performance data