Towards an accurate AS-level traceroute tool
Proceedings of the 2003 conference on Applications, technologies, architectures, and protocols for computer communications
GTrace - A Graphical Traceroute Tool
LISA '99 Proceedings of the 13th USENIX conference on System administration
IPv6-in-IPv4 Tunnel Discovery: Methods and Experimental Results
IEEE Transactions on Network and Service Management
ACM SIGCOMM Computer Communication Review
Estimation of perceived quality of service for applications on IPv6 networks
Proceedings of the ACM international workshop on Performance monitoring, measurement, and evaluation of heterogeneous wireless and wired networks
Inferring and debugging path MTU discovery failures
IMC '05 Proceedings of the 5th ACM SIGCOMM conference on Internet Measurement
Evaluating QoS performance of streaming video on both IPv4 and IPv6 protocols
SpringSim '07 Proceedings of the 2007 spring simulaiton multiconference - Volume 1
Enabling IPv6 within a campus network
Proceedings of the 46th Annual Southeast Regional Conference on XX
Observations of IPv6 addresses
PAM'08 Proceedings of the 9th international conference on Passive and active network measurement
Scamper: a scalable and extensible packet prober for active measurement of the internet
IMC '10 Proceedings of the 10th ACM SIGCOMM conference on Internet measurement
Assessing IPv6 through web access a measurement study and its findings
Proceedings of the Seventh COnference on emerging Networking EXperiments and Technologies
Hopcount and e2e delay: IPv6 versus IPv4
PAM'05 Proceedings of the 6th international conference on Passive and Active Network Measurement
Investigating IPv6 traffic: what happened at the world IPv6 day?
PAM'12 Proceedings of the 13th international conference on Passive and Active Measurement
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One of the major hurdles limiting IPv6 adoption is the existence of poorly managed experimental IPv6 sites that negatively affect the perceived quality of the IPv6 Internet. To assist network operators in improving IPv6 networks, we are exploring methods to identify wide-area IPv6 network problems. Our approach makes use of parallel IPv4 and IPv6 connectivity to dual-stacked nodes.We identify the existence of an IPv6 path problem by comparing IPv6 delay measurements to IPv4 delay measurements. Our test results indicate that the majority of IPv6 paths have delay characteristics comparable to those of IPv4, although a small number of paths exhibit a much larger delay with IPv6. Thus, we hope to improve the quality of the IPv6 Internet by identifying the worst set of problems.Our methodology is simple. We create a list of systems with IPv6 and IPv4 addresses in actual use by monitoring DNS messages. We then measure delay to each address in order to select a few systems per site based on their IPv6:IPv4 response-time ratios. Finally, we run traceroute with Path MTU discovery to the selected systems and then visualize the results for comparative path analysis. This paper presents the tools used to support this study, and the results of our measurements conducted from two locations in Japan and one in Spain.