Conference paper

GRÉGR Matěj, MATOUŠEK Petr, PODERMAŃSKI Tomáš and ŠVÉDA Miroslav. Practical IPv6 Monitoring - Challenges and Techniques. In: Proceedings of the 12th IFIP/IEEE International Symposium on Integrated Network Management (IM 2011). Dublin: IEEE Computer Society, 2011, pp. 660-663. ISBN 978-1-4244-9220-6.
Publication language:english
Original title:Practical IPv6 Monitoring - Challenges and Techniques
Title (cs):Practical IPv6 Monitoring - Challenges and Techniques č
Proceedings:Proceedings of the 12th IFIP/IEEE International Symposium on Integrated Network Management (IM 2011)
Conference:IFIP/IEEE Internation Symposium on Integrated Network Management
Place:Dublin, IE
Publisher:IEEE Computer Society
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IPv6 monitoring, network security, IPv6 deployment, Netflow, SNMP, IPv6 data retention
Network monitoring is an essential task of network management. Information obtained by monitoring devices gives a real picture of the network in production including transmitted data volumes, top hosts, a list of frequently used applications etc. Deep analysis of data collected by monitoring can reveal network attacks or detect misuse of network services. In addition, Data Retention Act requires each ISP to track user's activities. Protocol IPv6 puts new challenges for network administrators in the context of user identification. Unlike IPv4, an IPv6 address no longer uniquely identifies a user or PC. IPv6 address can be randomly generated and keeps changing in time. PCs with IPv6 stack can also communicate via predefined tunnels over IPv4 infrastructure. That tunneled traffic mostly bypasses network security implemented via firewalls. In this paper, we identify major monitoring and security issues of IPv6 connectivity and propose a solution based on SNMP and Netflow data that helps to uniquely identify users. The solution requires an extended set of monitoring data to be collected from network devices. We present a new data structure based on extended Netflow records. Feasibility of the approach is demonstrated on the Brno University of Technology (BUT) campus network.
   author = {Mat{\v{e}}j Gr{\'{e}}gr and Petr Matou{\v{s}}ek
	and Tom{\'{a}}{\v{s}} Poderma{\'{n}}ski and
	Miroslav {\v{S}}v{\'{e}}da},
   title = {Practical IPv6 Monitoring - Challenges and
   pages = {660--663},
   booktitle = {Proceedings of the  12th IFIP/IEEE International Symposium
	on Integrated Network Management (IM 2011)},
   year = 2011,
   location = {Dublin, IE},
   publisher = {IEEE Computer Society},
   ISBN = {978-1-4244-9220-6},
   language = {english},
   url = {}

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