The embodiment of the invention provides a device and a hot backup method, network address translation table entry message receiving method comprises: according to IP, the NAT table to create the corresponding IP message; determining the IP message corresponding to the type of business; according to the corresponding relationship between the business types and hot backup operations, as well as the IP the message corresponding to the type of business, to determine the NAT table of hot backup. The embodiment of the invention reduces the thermal backup processing load of the NAT device, and improves the thermal backup flexibility and the hot backup efficiency of the NAT device.
【技术实现步骤摘要】
【技术保护点】
１．一种网络地址转换表项的热备份方法，其特征在于，包括：根据接收的互联网协议ＩＰ报文，创建所述ＩＰ报文对应的网络地址转换ＮＡＴ表项；确定所述ＩＰ报文对应的业务类型；根据业务类型与热备份操作的对应关系，以及所述ＩＰ报文对应的业务类型，确定对所述ＮＡＴ表项是否进行热备份。
【技术特征摘要】
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