After the briefly present the origin and features of internet protocol version 6 ( ipv6 ), the paper detailedly introduced the conception, characters, security technologies of vpn, and main tunnel protocols used to implement and deploy vpns. after analyzing and comparing these technologies of realizing vpns, we choosed ipsec. then, the paper analyzed in the ipsec structure, function, work mode, and its components such as authentication header ( ah ), encapsulating security payload ( esp ), internet key exchange ( ike ), encryption and authentication algorithms, security association, security policy, and how they cooperate with each other in order to secure ip packages
在簡要介紹ipv6協議的由來和優點之後,詳細闡述了虛擬專用網的概念、特點、
安全技術及實現的關鍵隧道協議,通過對實現技術的分析比較,選用了
安全性強大的ipsec隧道技術,接著深入研究了ipv6
安全協議ipsec的體系結構、操作模式,詳細論述了ipsec協議簇的各個組成部分,如認證報頭ah協議、封裝
安全載荷esp協議、密鑰管理ike協議、加密認證演算
法、
安全聯盟和
安全策略等,以及這些組件之間如何協作,來共同實現對網路層ip數據包的
安全保護。
Methods for chemical analysis of iron, steel and alloy - the - benzoinoxime gravimetric method for the determination of molybdenum content
鋼鐵及合金化學分析方
法-
安息香肟重量
法測定鉬量
The drill, code - named " tianshan - i ( 2006 ) ", will be jointly conducted by law enforcement bodies and special services of the two countries, said the ministry
這次演習的代號為「天山- 1號( 2006 ) 」的,將由兩國執
法安全部門和特別機構聯合指揮。
He said he d rather i kept my money, as i d no occasion to ease my conscience
他說我還是留著這錢好,因為我的良心無
法安靜。
Such insufficiency of theory preparation will induce an incomplete manager legal system definitely, in addition to the absence and faultiness of our legislative arrangement accelerate the conflict between the system arrangement and the real economic circulation, which makes the manager problem stand out
理論準備的不充分必然導致經理
法律制度的不健全,我國立
法安排本身的空白和缺陷加劇了制度
安排與實際經濟運行存在的沖突,經理問題更顯突出。
Mr halberstam believes that macarthur, backed by republican politicians, challenged the constitutional arrangements for civil supremacy that abraham lincoln had affirmed during the civil war
哈伯斯坦認為,有了共和黨政客撐腰,麥克阿瑟對林肯在美國內戰時期確立的文人至上這一憲
法安排發出了挑戰。
One minor disadvantage to this approach is that, since tempnam can be used insecurely, various compilers and security scanners may give you spurious warnings about its use
這種方
法有一個小的缺點,由於可能無
法安全使用tempnam ,所以各種編譯器和
安全掃描器可能都會向您發出使用不合邏輯的警告。
In addition, the government will also propose the introduction of a minor works control regime which seeks to provide a legal, safe, simple and efficient channel for property owners to carry out minor works like erecting air - conditioner frames, clothes drying racks and small canopies by appointing registered contractors, including registered minor works contractors or registered construction workers as appropriate
此外,政府亦建議引入小型工程規管制度,為業主提供合
法安全簡單而有效的途徑,聘用合適的注冊承建商,包括注冊小型工程承建商或注冊建築工人,進行
安裝冷氣機機架曬衣架及小檐篷等小型工程。
25. to improve the legislative framework for building control and building safety and to alleviate the problem of ubws at root, the government will propose the introduction of a minor works control regime which seeks to provide a legal, safe, simple, and efficient channel for owners to carry out minor works such as erecting air - conditioner frames, clothes drying racks and small canopies
25 .為了改善有關樓宇規管及
安全的
法律架構,並減輕違例建築工程的問題,屋宇署將會建議引入小型工程規管制度,為業主提供合
法安全簡單和有效的途徑來進行小型工程,例如
安裝冷氣機支架晾衣架及小型檐篷。
To improve the legislative framework for building control and building safety and to alleviate the problem of ubws at root, the government will propose the introduction of a minor works control regime which seeks to provide a legal, safe, simple, and efficient channel for owners to carry out minor works such as erecting air - conditioner frames, clothes drying racks and small canopies
為了改善有關樓宇規管及
安全的
法律架構,並減輕違例建築工程的問題,屋宇署將會建議引入小型工程規管制度,為業主提供合
法、
安全、簡單和有效的途徑來進行小型工程,例如
安裝冷氣機支架、晾衣架及小型檐篷。
Analysis and study are made on batch optimizing production, main production planning lay - out, important resource planning coordination method and calculation of safety in - advance period with mixed use of mrpii / jit
採用mrp / jit混用思想,對生產批量的優化方法、主生產計劃編排原則、關鍵資源計劃協調方法、安全提前期的計算等進行了分析研究。