DB 2恢复命令调用DB2包含在数据库备份映像中的代理,然后DB 2代理通过与安全服务器通信对其进行解密。
The DB2 restore command invokes the DB2 agent contained in the database backup image, and the DB2 agent decrypts it by communicating with the security server.
该方法实现简单,但存在缺陷:由于附加块信息不同于正常通信过程,恶意用户容易察觉通信具有密钥恢复功能,使用数据包过滤方法,就可以完全屏蔽密钥恢复功能。
The implementation is practical but with obvious disadvantage: the illegal user can easily notice the key recovery, and by data package filtering, the key recovery function can be screened.
对于由链路出错所引起的数据包丢失,可以明显加快发送窗口的恢复速度,从而大大提高卫星链路中tcp的吞吐量。
For the packet loss caused by the link error, it can recover the congestion Windows quickly, so the goodput of TCP in satellite net can be improved.
增加数据包校验位,保证数据传输的一致性;通过正向替换和逆向替换消除并恢复数据中存在的保留关键字;
The data packet increased checking parity can ensure data consistency in transmission, to remove and recover a reserved keyword of data though the positive replacement and reverse replacement.
所述接收机对已接收的物理层包执 行互补处理以恢复所述多路复用协议数据单元。
The receiver performs the complementary processing on the received PHY packets to recover the MUX-PDUs.
所述接收机对已接收的物理层包执 行互补处理以恢复所述多路复用协议数据单元。
The receiver performs the complementary processing on the received PHY packets to recover the MUX-PDUs.
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