data packet header 中文意思是什麼
data packet header
解釋
數據包標題-
The ability of keeping the ip packet ' s integrity, secrecy, authentication, data origination, anti - relay is discussed. the relationship of ipsec component authentication header ( ah ), encapsulating security payload ( esp ) and ike ( internet key exchange ) is also talked about. this discussion of ipsec makes the impression that ipsec make ip layer security enough
論述了ipsec在ip報文的完整性、機密性、數據來源認證和抗重播等方面的能力， ipsec的基本協議? ?認證報文頭（ ah ）和安全封裝載荷報頭（ esp ）與ipsec安全體系的其它組成部分如安全策略、加密和認證演算法、密鑰管理等如何合作，共同完成對ip報文的安全保護。 -
Students should be able to identify and describe the basic function of each component of a packet : header, data and trailer
1學生應能辨識及描述數據包各部件，包括表頭、數據及表尾的基本功能。 -
Basing on the study of the current routing algorithm, it proposes a new sd - anycast routing protocol algorithm. according to the character of this protocol, it implements this new protocol by adding additional packet header, routing maintaining and node dealing modules. lastly, according to creating prototype system and designing four comparing experiments, it gets the experiment statistical data, and makes a conclusion that this routing protocol algorithm has a better performance on one way delay, output, load balance and etc
本文首先介紹了anycast服務的概念、特點以及研究現狀;在分析了路由協議的一些相關知識和當今anycast路由協議的研究現狀的基礎上，深入研究了當前的路由協議演算法，提出了一個sd - anycast協議演算法，並在網路模擬軟體ns2設計平臺中根據該協議的特點，通過設計數據包報頭、路由表維護和節點處理等功能模塊，實現了該協議演算法;最後通過建立原型系統並設計四個對比實驗，得出實驗統計數據，定量地測定了該路由協議演算法在單程路徑延遲、吞吐量和負載平衡等方面所具有的優越性。 -
Routing table searches require only a look at a short string of data in the initial part of the packet, the header that tells a packet where to go
搜尋路由表只須檢查封包最前面的一小段資料，藉此辨識封包的目的地。 -
A series of basic functions are performed in the chapter 4, includes microengine initialization, packet receive processing, exception process, mac and ip header processing, ip forwarding, and packet transmit processing, etc. these functions build a basic data path for the whole system
第四章中實現一系列最基本的功能，包括微引擎初始化，包接收處理，異常處理， mac及ip頭部處理， ip轉發以及包發送處理等。這些功能為整個系統建立起一條基本的數據通路。
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