The secure shell protocol (SSH) is widely deployed to access command line interfaces of network devices and host systems over an insecure network. Recently, the IETF has produced specifications how to run network management protocols such as NETCONF or SNMP over SSH. SSH computes new session keys whenever a new SSH session is established. This computationally expensive operation causes significant latency and processor load on low end devices and thus makes short-lived connections very expensive. To address this problem, we describe a session resumption feature that allows clients to resume sessions without having to compute new session keys.

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This paper presents the results of measurements of the magnetic fields generated by video display terminals (VDT). For a complete field characterization the time and frequency domain measurements of the field are made at some distances from the screen. There were performed comparative measurements by using a few sensors.

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