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To function correctly Online, Data-Intensive (OLDI) services require low and consistent service times. Maintaining predictable service times entails requiring 99th or higher percentile latency targets across hundreds to thousands of servers in the data-center. However, to maintain the 99th percentile targets servers are routinely run well below full utilization. The main difficulty in optimizing a...
NetFlow is the de-facto protocol used to collect IP traffic information by categorizing packets in flows and obtain important flow information, such as IP address, TCP/UDP ports, byte counts. With information obtained from NetFlow, IT managers can gain insights into the activities in the network. NetFlow has become a key tool for network troubleshooting, capacity planning, and anomaly detection. Due...
In network layer based mobility protocols, such as mobile IP, the correspondent node is not aware of handovers and therefore continues to send data at the same rate as before the handover which may exhibit network unfriendliness, especially when the capacities of the two subnets differ significantly. On the contrary, transport layer based mobility protocols, such as SIGMA, do not show such phenomena...
When we reverse-engineer unknown protocols or analyze the Internet traffic, it is critical to capture complete traffic traces generated by a target application. Besides, to prove the accuracy of Internet traffic classification algorithms of the traffic monitoring system usually located in the middle of the network, it is highly required to retain traffic traces associated with the related application...
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