骨幹網 的英文怎麼說
中文拼音 [gǔgànwǎng]
骨幹網
英文
bn backbone network-
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。To verify the analysis results, a simulation tool for network reliablity - nrs is designed and implemented. the simulator can be used to model reliability of several network topologies referred above and the reliability of layer network
為驗證解析結果的正確性，設計並實現了針對網路可靠性的模擬器nrs （ networkreliabilitysimulator ） ，它可以對上述多種網路的可靠性進行模擬，而且可以對以典型網路拓撲結構為骨幹網的層次網路進行模擬。Ngn can provide abundance next generation network businesses. the software designing and implementation of softswitch trunk call server cst is the research content of this subject. the cst can provide the class 4 switch function for various access networks
本課題的研究內容就是軟交換中繼呼叫服務器cst的軟體設計和實現，使其能夠把多種不同的網路匯接入ip骨幹網路，重點實現傳統的pstn電話網的改造。Therefore all - optical networks based on the concept of wdm and wavelength routing rwa ( routing and wavelength asignment, rwa ) is considered as a candidate for the next generation transport network
因此利用wdm傳輸技術以及選路和波長分配rwa （ routingandwavelengthalgorithm ， rwa ）技術的光傳送網是下一代高速骨幹網最具競爭力的候選者。Because the wdm technology can fully utilize the enormous bandwidth of the optical fiber, the cost for transfering data can be greatly decreased. this enables wdm technology to be the most attractable technology in wide backbone network. it is predicted that in the near future, the wdm technology will be widely used in other networks
Wdm技術對光纖巨大帶寬的充分利用可以導致傳輸數據的價格大幅度的降低，這使它已經成為廣域骨幹網路中最具吸引力的技術，而且可以預言在不遠的將來，它還會在其他網路領域中得到更廣泛的應用。Because this technology can fully utilize the enormous bandwidth of the optical fiber to transfer the data, the price for transfer data can be greatly decreased. this enables it to be the most attractable technology in wide backbone network. it is predicted that in the near future, the wdm technology will be greatly used in other networks
Wdm技術對光纖巨大帶寬的充分利用可以導致傳輸數據的價格大幅度的降低，這使它已經成為廣域骨幹網路中最具吸引力的技術，而且可以預言在不遠的將來，它還會在其他網路領域中得到更廣泛的應用。Settlement of internet interconnection bargaining on the focal point
的網際網路骨幹網討價還價結算For the sake of solving the search problem in community, we propose a search algorithm based on dominating set, combining category to organize lots of commodities, dividing commodities into different communities. the algorithm uses backbone network created by dominating set, combining informed k - walker search algorithm, to search commodity in community, which is proved to be more efficient
同時，為了解決社區內搜索的問題，本文提出一種基於支配集的搜索演算法，結合分類樹組織海量的商品信息，將商品信息劃分到不同的社區中的方法，利用支配集形成的骨幹網，結合基於提醒的k - walker搜索策略，在社區內進行商品信息搜索，獲得了很好的效果。Public peering and fair settlements between different internet backbones
網際網路骨幹網間公共直聯及公平獎勵結算模型Being a widely utilized public ip platform, it is susceptible to security attacks of all nature, as outlined in the following areas : the open nature of the ip internet systems - increase of foreign attacks, for example dos / ddos attacks ; the current weakness of the existing operating system ' s internet protocol ; mainframe, and lack of an evaluation standard for back office systems, the inevitable problem of illegal internal access, the lack of guidelines for record keeping and post attack documentation processes, hi addition, still in existence, are managerial problems including the lack of securit y knowledge amongst the workforce and the inexistence of a complete set of security guidelines. to guarantee china telecom ' s 163 / 169 system ' s reliable functions, to protect the user ' s interests, at the same time, insuring quality service, it is necessary to adapt p2dr model as a solution to the current security issues. supported by the modern secure theory and made the secure implementation abundant project practices, this paper gives the general secure design for the chongqing public ip network using p2dr secure model
中國電信建設的公眾ip網對我國internet的發展起著決定性作用，重慶電信163 / 169網際網路是國家骨幹網在本地的延伸，擁有7個核心節點（採用cisco12012 、 2 * 2 . 5gdpt環） ，三十八個匯接節點，能提供寬帶，窄帶多種接入方式的公眾ip網，現擁有近20萬用戶，佔全市網際網路用戶四分之三以上，作為這樣一個擁有眾多用戶，開放的ip平臺，會受到各種各樣的安全威脅，主要表現在ip網路的開放性，來自外部的攻擊增多，如dos / ddos攻擊；所使用的操作系統運行的網路協議自身的脆弱性；主機、網路設備的配置是否缺乏評估手段；不可避免的內部非法訪問；缺乏必要的攻擊審計作為犯罪取證，出此之外，還有管理上的一些問題，如人員安全意識不強，安全制度不夠健全等多方面原因。The sheer size of the internet makes it a candidate for the backbone of the information superhighway
因特網規模的快速增長使得其可以作為信息高速公路骨幹網的侯選對象。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。Unlike currently mature broadband backbone networks, broadband service is in its infantry
相對目前比較成熟的寬帶骨幹網，寬帶業務的開展才剛剛起步。A key national network of communications optical cables
全國通信光纜骨幹網Department of computer science and technology, tsinghua university, beijing 100084, p. r. china 2
下一代骨幹網的核心路由器主要有兩方面的需求：高速性和qos保證。In addition, compallng of anplementaton, security flexibility scalability and support of qos between these two models is provided. at the saxne time, mels vpn - - - - a solution for integrated model is discussed in detail, including network components of mpls vpn and its operation mode. there are also some problems that must be solved to build a mpls vpn, such as customer address space overapping, network accessibility constraini, vpn route updating, saving of backbone bandwidth, reducing of complexity of pe rooters and accessing internet from vpn, etc. mpls vpn can solve all the problems, as well as bring us some values in scalability, implemotation and maintenance
在此基礎上，詳細闡述了集成模型的解決方案? ? mplsvpn的工作原理，包括mplsvpn的網路構成和運行模式，對實現虛擬專用網所面臨的問題：用戶地址空間重疊、網路連通性約束、 vpn路由信息更新、節省骨幹網帶寬資源、降低pe路由器處理的復雜性以及如何在虛擬專用網內訪問internet等提出了解決方案，並對mplsvpn在擴展性、可實現性、可維護性方面的優勢進行了說明。But this method has the shortcoming of information leaking. based on mpls, this paper presents the thought and implem enting technology that encrypt the data by ipsec at the customer edge ( ce ) router and encapsulate the data at provider edge ( pe ) router. the problem of information leaking due to at mpls backbone has been resolved
本文提出了基於多協議標記交換技術，利用ipsec在客戶路由器端加密，再在mpls邊緣路由器端進行數據封裝的方法構建vpn ，解決了vpn採用mpls在公用骨幹網進行第二層傳輸存在的信息不能自動加密、容易因誤發或連接中斷造成信息泄漏等問題。Considering regional characteristic and involved equipments, mpls vpn is a huge system actually. this paper focuses on its mechanism, implementing process of encrypting data at the customer edge ( ce ) router and encapsulating at provider edge ( pe ) router. some particulars are implemented with c + + builder 5. 0 : creating and sending of ip package, encrypting of ip packet, encapsulating of encrypted ip packet, sending encapsulated ip packet to mpls backbone
不管是從其地域特性、還是從其所涉及到的設備來看， mplsvpn實際上是一個比較龐大的系統，本文主要側重於討論其系統結構以及數據在客戶路由器端加密和在服務提供商邊緣路由器端封裝的實現過程，並用c + + builder5 . 0實現了其中的幾個細節： ip數據包的產生與發送， ip數據包的加密，加密后ip數據包的封裝，封裝后數據包發送至mpls骨幹網。In the aspect of the choice of the comprehensive network schemes, it proposes to have the whole communication network categorized into backbone networks and specialist networks, due to the fact that city ' s trail transportation involves vast investment and lengthy construction and must be implemented line after line, period after period, etc. how to connect pots of specialist networks to backbone network so as to effect business transmission across lines has also been discussed
3 、網路總體方案的選擇比較：針對城市軌道交通的建設投資大，時間跨越長，分線、分期施工建設的特點，將城市整個通信網分成骨幹網和專線網。在骨幹網中如何將各專線網的一個或多個骨幹節點組合，實現跨線的業務傳輸。Other local networks have only sgsns ; they do not need ggsns. the provincial network accesses to the national backbone network via brs. so the local networks may be connected with each other via leased circuits on a ppp basis, as is shown in figure 4
有的本地網有可能不需要gsn節點而通過其它本地網的gsn節點提供服務，而有的本地網只有sgsn而不需要ggsn ，省網通過邊緣路由器（ br ）接入全國骨幹網，此時各本地網可通過租用電路以ppp方式連接，如圖4所示。分享友人