Improving round-trip time estimates in reliable transport protocols
SIGCOMM '87 Proceedings of the ACM workshop on Frontiers in computer communications technology
On the constancy of internet path properties
IMW '01 Proceedings of the 1st ACM SIGCOMM Workshop on Internet Measurement
A web server's view of the transport layer
ACM SIGCOMM Computer Communication Review
Passive estimation of TCP round-trip times
ACM SIGCOMM Computer Communication Review
Packet-level traffic measurements from the Sprint IP backbone
IEEE Network: The Magazine of Global Internetworking
Distributed Fair Resource Allocation in Cellular Networks in the Presence of Heterogeneous Delays
WIOPT '05 Proceedings of the Third International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks
A scalable load balancer for forwarding internet traffic: exploiting flow-level burstiness
Proceedings of the 2005 ACM symposium on Architecture for networking and communications systems
A passive state-machine approach for accurate analysis of TCP out-of-sequence segments
ACM SIGCOMM Computer Communication Review
Tmix: a tool for generating realistic TCP application workloads in ns-2
ACM SIGCOMM Computer Communication Review
Puppetnets: misusing web browsers as a distributed attack infrastructure
Proceedings of the 13th ACM conference on Computer and communications security
Impact of background traffic on performance of high-speed TCP variant protocols
Computer Networks: The International Journal of Computer and Telecommunications Networking
Understanding wifi-based connectivity from moving vehicles
Proceedings of the 7th ACM SIGCOMM conference on Internet measurement
How much anonymity does network latency leak?
Proceedings of the 14th ACM conference on Computer and communications security
Towards real-time performance monitoring for encrypted traffic
Proceedings of the 2007 SIGCOMM workshop on Internet network management
The effects of active queue management and explicit congestion notification on web performance
IEEE/ACM Transactions on Networking (TON)
Dual-resource TCP/AQM for processing-constrained networks
IEEE/ACM Transactions on Networking (TON)
Logarithmic window increase for TCP Westwood+ for improvement in high speed, long distance networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
CUBIC: a new TCP-friendly high-speed TCP variant
ACM SIGOPS Operating Systems Review - Research and developments in the Linux kernel
Puppetnets: Misusing Web Browsers as a Distributed Attack Infrastructure
ACM Transactions on Information and System Security (TISSEC)
Stochastic convex ordering for multiplicative decrease internet congestion control
Computer Networks: The International Journal of Computer and Telecommunications Networking
On dominant characteristics of residential broadband internet traffic
Proceedings of the 9th ACM SIGCOMM conference on Internet measurement conference
Delay-based early congestion detection and adaptation in TCP: impact on web performance
Computer Communications
IEEE Transactions on Multimedia - Special issue on quality-driven cross-layer design for multimedia communications
SpeedDetect: a simple TCP extension for handling sudden capacity increase
NGI'09 Proceedings of the 5th Euro-NGI conference on Next Generation Internet networks
Generalized stochastic performance models for loss-based congestion control
Computer Communications
Multi-objective genetic programming for improving the performance of TCP
EuroGP'07 Proceedings of the 10th European conference on Genetic programming
TCP libra: exploring RTT-fairness for TCP
NETWORKING'07 Proceedings of the 6th international IFIP-TC6 conference on Ad Hoc and sensor networks, wireless networks, next generation internet
TCP Libra: Derivation, analysis, and comparison with other RTT-fair TCPs
Computer Networks: The International Journal of Computer and Telecommunications Networking
Managing Internet routers congested links with a Kohonen-RED queue
Engineering Applications of Artificial Intelligence
Taming the elephants: New TCP slow start
Computer Networks: The International Journal of Computer and Telecommunications Networking
Preemptive packet-mode scheduling to improve TCP performance
IWQoS'05 Proceedings of the 13th international conference on Quality of Service
TMA'10 Proceedings of the Second international conference on Traffic Monitoring and Analysis
A study of burstiness in TCP flows
PAM'05 Proceedings of the 6th international conference on Passive and Active Network Measurement
Victim-Assisted mitigation technique for TCP-Based reflector DDoS attacks
NETWORKING'05 Proceedings of the 4th IFIP-TC6 international conference on Networking Technologies, Services, and Protocols; Performance of Computer and Communication Networks; Mobile and Wireless Communication Systems
Review: Analyzing well-known countermeasures against distributed denial of service attacks
Computer Communications
SILENTKNOCK: practical, provably undetectable authentication
ESORICS'07 Proceedings of the 12th European conference on Research in Computer Security
Congestion control with multipacket feedback
IEEE/ACM Transactions on Networking (TON)
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We measured and analyzed the variability in round trip times (RTTs) within TCP connections using passive measurement techniques. We collected eight hours of bidirectional traces containing over 22 million TCP connections between end-points at a large university campus and almost $1$ million remote locations. Of these, we used over 1 million TCP connections that yield 10 or more valid RTT samples, to examine RTT variability within a TCP connection. Our results indicate that contrary to observations in several previous studies, RTT values within a connection vary widely. Our results have implications for designing better simulation models, and understanding how round trip times affect the dynamic behavior and throughput of TCP connections.