Formal specification and verification of safety and performance of TCP selective acknowledgment
IEEE/ACM Transactions on Networking (TON)
Passive estimation of TCP round-trip times
ACM SIGCOMM Computer Communication Review
On the characteristics and origins of internet flow rates
Proceedings of the 2002 conference on Applications, technologies, architectures, and protocols for computer communications
Measurement and classification of out-of-sequence packets in a tier-1 IP backbone
Proceedings of the 2nd ACM SIGCOMM Workshop on Internet measurment
A Formal Approach for Passive Testing of Protocol Data Portions
ICNP '02 Proceedings of the 10th IEEE International Conference on Network Protocols
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IP traffic behavior is becoming increasingly complicated and complex with the appearance of new applications and new protocols in Internet. We give a design to implement fine-granularity and configurable distributed measurement method of multi-protocol traffic behavior. Our study shows that probing points can be distributed to different the Functional Processing Module (FPM) along the traffic path through the router, and each FPM can implement configurable and protocol-sensitive collection of packet information with accurate timing stamps. We develop a novel traffic mirroring method to avoid affecting normal packet processing in case of some occasional failures. Our experiments based on practical implementation of measurement in a router show that less than 15% of total logic resources and less than 20 nanoseconds of timing precision can be achieved by our methods, which is more efficient and accurate than Special Packet capturing Card with an acceptable cost.