Daozhu Zhang

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The User-based Security Model and its replay protection principium are firstly introduced and then a replay protection scheme based on random number is proposed to avoid baleful replay attack because of the inefficacy of the USM. A random number is used as the authentication between manager and agent in this scheme, and the number is changed on each message(More)
The inadaptability of the existing network management protocol for the space network environment is analyzed in the paper. A new Spaces Network Management Protocol SP-SNMP is proposed and in which SER, the polling based on MIB and table operation protocol message used are detailed introduced, and conversion gateway is designed for different protocols. At(More)
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