layer forwarding 中文意思是什麼
layer forwarding
解釋
二層轉發- layer : n 1 放置者，鋪設者，計劃者。2 【賽馬】（一般）賭客。3 產卵的雞。4 【軍事】瞄準手。5 層；階層；地...
- forwarding : n. 1. 推進；促進。2. 寄送，托運；運輸。
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High - speed, muti - services and economy have become the major issues of the future ip backbone technology as far as thes poiflt is concerned, thes paper explores layer 3 switdrig technology which separates control component and forward compontal in the traditional roulers. two forwarding al gori thms - - - - d ata - driven mo d el and top olo gy driven model are also compared, a next generation ip backbone echno l o gy - - - - multiproto co l label switching is developed, with its operation and its deployinent in traffic engineering, c1ass - ofservce and virtual private network
本文從未來ip骨幹網技術所要求的高速化、多業務支持、經濟性出發，介紹了在傳統路由器基礎上將控制部件和轉發部件分離的第三層交換技術，比較了數據驅動模型和控制驅動（拓撲驅動）模型兩種轉發演算法，並由此引出下一代ip骨幹網路技術? ?多協議標記交換，闡述了其工作原理以及在流量工程、服務等級區分和虛擬專用網中的應用。 -
We have implemented mpich - mgo, a collective communication library utilized mgo. mpich - mgo is based on mpich, and some modification and extension are made to the original collective communication layer of mpich. so that the global cluster information can be gathered, and then such global information is used to optimize the collective communication routes, which is used by the collective communication layer to direct the forwarding of related messages
Mpich - mgo基於mpich ，是對mpich原有全局通訊層的修改和擴充，使得它能夠通過分散式測試獲得集群的計算機結點性能、網路性能以及網路拓撲結構等信息，利用這些信息進行全局通訊路徑的多粒度優化，並根據優化結果對涉及全局通訊的消息進行路由。 -
To the issues that ipsec ca n ' t work with nat and multicast very smoothly and ipsec could n ' t also solve qos problem, combined with the national high - tech project of 863, the author has put forward the following viewpoints in the research of the security architecture model of ip layer : as to ipsec ' s working with nat, the author has proposed a scheme of using udp encapsulation along with configuring ipsec tunnel by dhcp and substituting ah with esp null encapsulation ; as to ipsec ' s working with the multicast, the author has proposed that combined with key management using complete binary tree, ipsec security process using espv3 and ahv2 can cooperate with multicast smoothly in multicast environments ; as to solving qos, the author has proposed a scheme of using two - level classifying and two - level scheduling with encryption scheduler and forwarding scheduler. the author has pointed out that combining ipsec with pki can make ipsec more flexible and more practical. based on the previous researches, the author has made an analysis of security risks of ip layer
在ip層安全體系結構模型研究中，針對ipsec在與組播、 nat協同工作等方面存在的問題以及ipsec不能很好解決qos等方面的問題，作者結合國家863高技術項目的研究提出了解決方案：在nat協同工作方面作者提出了採用udp封裝、配合使用dhcp配置ipsec隧道並用espnull封裝代替ah的方案；在與組播協同工作方面作者提出了基於espv3和ahv2的ipsec組播安全處理以及基於完全二又樹的組播密鑰管理的方案；在解決qos問題方面作者提出了採用分類器1和分類器2的兩級分類以及具有加密調度器和轉發調度器的兩級調度的技術方案；同時作者提出了ipsec與pki技術緊密結合，能使ipsec安全通信更加靈活和方便實用。
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