upper-layer network 中文意思是什麼
upper-layer network
解釋
上級網-
These services are provided at the ip layer, offering protection for ip and / or upper layer protocols. the need for ip address translation arises when a network ' s internal ip addresses cannot be used outside the network either for privacy reasons or because they are invalid for use outside the network
網路地址翻譯( networkaddresstranslation , nat )為了解決ipv4網路地址由於設計缺陷而引起的ip地址短缺問題,同時nat也具有屏蔽內部網網路拓撲結構的作用,為缺乏全局ip地址的公司提供接入internet的能力。 -
It offer data confidentiality, integrity, data source identity certification and anti - replay protective etc. safe service for network layer and its upper protocol
它為ip層及其上層協議提供了數據機密性、完整性、數據源身份認證、抗流量分析和反重放保護等安全服務。
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