diffserv 中文意思是什麼

Then, we talk about the inside details of this new qos model, describe the interfaces between mpls and prelate rsvp, between mpls and qos routing, between mpls and diffserv, and so on

之後把這一qos服務模型展開，分別闡述了mpls如何同diffserv的集成， mpls如何同qos約束路由的集成以及mpls同輕量級rsvp的介面等。

It is possible to setup integrated streams defined perfectly and can be led to pipe with constant bandwidth, if diffserv authenticates and classifies data streams of constant bit rate using the rsvp parameters or according to the types of special application

如果diffserv使用rsvp參數或根據專門應用類型對恆定比特率（ cbr ）數據流進行鑒別和分類，就可能建立完全定義的綜合流，它能夠被引導成為固定帶寬的管道。

The main expression of the mpls supporting ip qos technology is that it ' s supporting on interserv and diffserv. the introducing of interserv and diffserv is put in the first chapter, the signalings adopted by these two services mainly are rsvp and cr - ldp, the introducing of the rsvp and cr - ldp are put in the 3rd chapter, in this chapter, we described the constrained routing technology of cr - ldp, the message realized in cr - ldp, the t / l / v in cr - ldp, the development of the rsvp - te, how to extend the rsvp to surpport lsp tunnel, the detail information of the rsvp tunnel, the extended rsvp how to establish a lsp tunnel, how to transmit the business through lsp, how to reroute the existing lsp and so on. adopting these two signaling technology on how to guarantee the mpls qos realization is put into chapter 4. the final part is a conclusion of this paper

Mpls對ipqos技術的支持主要體現在對集成服務和差分服務的支持上，對集成服務和差分服務的介紹放在第一章中進行，實現這兩種服務所採用的信令技術主要有rsvp和cr - ldp ，對rsvp和cr - ldp的介紹將放在第三章中進行，在這一章中對cr - ldp所採用的限制路由技術， cr - ldp中的消息實現， cr - ldp所採用的流量參數； rsvp - te的發展， rsvp怎樣擴展來支持lsp隧道， rsvp隧道信息詳細資料，擴展的rsvp如何建立一條lsp隧道，業務如何通過lsp傳輸，現有的lsp如何進行重路由，為internet核心而增強的lsp可擴展性這幾個方面進行了論述。

Since this paper is research about the ip qos based on the mpls, so we first introduce the presenting of the qos, the definition of the qos and those ip protocol which surpport the qos, in addition, it also include two type of network model raised by ietf whose purpose is to realize qos : interserv and diffserv

本文由於是研究基於mpls的ipqos技術，所以首先介紹的是qos問題的提出， qos的定義和支持qos的ip協議，還有ietf為實現qos而提出的兩種網路模型：集成服務模型和差分服務模型。

In this paper, we will review the features, main components of mpls and its qos mechanism ( such as interserv, diffserv, te ). and then we will describe the design and the implementation of mpls network simulator, which supports the establishment of lsp as well as any other basic mpls functions such as ldp and label switching and various approaches which can be used to support differentiated services in mpls environment and implement diffserv + mpls in ns

本文中，我們對mpls的基本協議，體系結構以及它的qos機製做了回顧。然後，設計並實現了一個基於ns的mpls模擬環境，它支持基本的mpls功能（如ldp ，標記交換， lsp的建立等） 。接著，我們在基本mpls協議的基礎上，實現了基於di邢ery的qos保證。

An architectural model of diffserv / mpls backbone is proposed to provide reliable, fair - treating qos service in mpls networks. taking mpls as fundamental packet forwarding mechanism, diffserv as qos provisioning model, our framework relizes high quality network service while balancing load across backbone. defining relationship between interserv service type, diffserv service class and exp field of mpls label, the model could also provide efficient interconnecting service between different user networks

提出一種mplsdffeery骨幹網路模型：以mpp為基礎傳輸技術，以dffeery為服務質量控制模型，該骨幹網路模型綜合利用區分路由和前攝式多路路由方法實現對業務量的高質量傳輸和網路負載均衡；通過intersery服務類型、 dffeery服務類和mpde標簽中實驗欄位之間的相互映射，該骨幹網路模型實現對多類用戶子網的有效互聯；模擬結果顯示， dffeery mpls骨幹網路模型可有效實現端到端的服務質量控制和流量工程目標。

As a basic mechanism for providing qos in ip network, diffserv architecture have a great deal of advantages to network operation

Diffserv體系作為ipqos的一種實現帶給網路運營諸多好處，但是它的實現會增加ip網路的管理負擔。

In chapter 2, we mainly introduce two well - found ip qos models : the intserv and the diffserv, and do some transverse comparative works on their advantage and disadvantage

第二章中簡單介紹了intserv和diffserv兩種比較成熟的ipqos服務模型，並對它們的優缺點進行橫向比較。

To solve the problem, many blue prints of ip qos have been brought forward at present, among which there are three representational theories : intserv, diffserv and mpls

針對這一問題，目前已經有了很多解決ipqos的方案，其中比較有代表性的理論是intserv ， diffserv和mpls三種。

On the basis of study on various kinds of implements of qos and policy - based network management model, this paper addresses the design and the partial implementation of policy - based qos management framework in diffserv netwoks

在對各種qos實現機制進行研究的基礎上，結合基於策略的網路管理模型，設計並部分實現了基於策略的ipqos網路管理框架。

Diffserv model is one important model of the ip qos, this model works on the basis of packet classification granularity, so it can overcome the limitation of the intserv / rsvp model and it is easy to be realized on the big networks

Diffserv模型是當前實現ipqos的主要模型之一，這一模型工作在分組類的粒度上，克服了intserv rsvp模型在分組流粒度工作上的缺陷，因而容易在大規模網路上實現。

In chapter 5, we expatiate a new mixed architecture of ip qos model, which uses mpls as its main body and uses the advanced ideas of intserv & diffserv as its assistant. mainly focus on the idea in design and the architecture of the model

第五章中以mpls為框架，以intserv和diffserv的模型中比較先進的思想為輔助，提出一種新的混合式的ipqos服務模型，並著重分析了模型的設計思想和體系結構。

Second, it do research on the theory of quality of service, such as intserv and diffserv module, qos protocols, qos array techniques and qos architecture. third, based on the current techniques as j2ee, wfe and xml, an architecture of a pbnm system using ejb and wfe is presented. forth, it is discussed for some key components in pbnm domain, such as qos information module, policy based metwork management framework and the relations among components fifth, it designed the relations and communication interface between pbnms and other oss modules, and elaborated a strategy of building a distributed object information model and discussed its specific implementation, and implement the policy hierarchy using domain

本文的主要研究工作和成果如下：分析了傳統的網路管理技術和發展歷程，對網路管理的國際標準cmip 、 tmn 、 snmp和cops等及網路管理的功能進行了討論；對服務質量（ qualityofservice ， qos ）中的主要理論，如intserv和diffserv服務模型、 qos協議、 qos隊列技術、 qos體系結構進行了探討；基於當今的流行技術j2ee 、 wfe 、 xml ，提出並設計了以ejb wfe框架構築的策略管理體系結構；討論了基於策略的網路管理（ pbnm ）中的若干關鍵技術問題，如策略信息模型、策略網路的系統構架及組件間的交互關系；設計了基於策略的網路管理系統（ policybasednetworkmanagementsystem ， pbnms ）與運營支撐系統（ operationsupportsystem ， oss ）各模塊間的關系和通信介面，運用分佈對象技術建立網管信息模型，運用域進行策略的等級管理；討論了策略服務器（ pdp ）和策略實施點（ pep ）的工作流程，採用關系數據庫進行策略的存儲，設計並實現了策略數據庫、策略服務器（ pdp ） 。

The qos guarantee mechanisms in the diffserv model are studied in the third par of this thesis

比較三種模型在解決qos時的優缺點之後，確定重點研究diffserv模型。

The difficulty of diffserv model control path is to realize end to end resource manage

Diffserv模型的控制通路的難點在於實現端到端的資源管理。

The thesis, on the basis of the diffserv model architecture, study the key realization technology of the data path and control path

本論文從diffserv模型總體結構的基礎上，研究了數據通路和控制通路的關鍵實現技術和實現結構。

In the border router, we design a new diffserv scheduler ( bswcs : bit - based weight time slot compensate scheduler ), which dynamically adjust the weighted quantum of service. combined with the error concealment technology in the video decoder, in case of severe congestion which cause losing a lot of ip packets, these algorithms have been proved effective, hence the delay, jitter and the perceived picture quality all meet requirement for real - time video transmission

4建立了一個區分服務網路模型，根據視頻編碼的特點，提出了一種針對視幀傳輸的新的服務優先等級標識演算法，即根據不同視頻幀解碼時的重要程度和網路的傳輸狀況將不同視頻幀的數據包標記為不同等級，賦予不同的質量保證。

Router queuing management mechanism of diffserv model

中的隊列管理機制

Analysis and compare intserv / rsvp and diffserv, then combine them into ip telephony system based on h. 323 protocol. 4. research the technologies of jitter buffer to make the irregular data packets of voice played evenly

4 .深入研究了抖動抑制緩沖技術，使得在ip電話系統中非勻速到達的語音數據包得以勻速播放。

Presented a scalable method of qos provisioning in the broadband residential ethernet - based access network that offers qos guarantees for voip, tv, vod, etc. the cbr encoding control scheme with fixed services promises predictable traffic characteristics, which simplifies qos mechanisms and network designs ; the differentiated approach promises a scalable qos architecture for the carrier - grade broadband residential access network ; combining network dimensioning, diffserv and pricing promises qos provisioning with effectiveness and operability

結合cbr編碼控制機制和限定服務類型提供可預測的通信量特徵，簡化了網路設計和服務質量方法的復雜度：採用區分服務方法，滿足了大規模寬帶社區網的高擴展性要求；結合網路容量規劃、 diffserv框架和定價機制研究多業務的服務質量，確保了服務質量方法的有效性和可操作性。