astn 中文意思是什麼
astn
解釋
光網路技術-
There are two control models of network interconnection for the astn, one the overlay model and the other the peer model
Astn的網路互聯控制模型主要有兩種，一種是重疊模型（ overlaymodel ） ，另一種是對等模型（ peermodel ） 。 -
In order to adapt to the new traffic transfer environment and enhance market competitiveness of telecommunications operators, there came up intelligent technology of the transfer network, which is represented by the automatic switching transfer network ( astn ) and the automatic switching optical network ( ason ). it may well be said that astn technology represents a qualitative transition in the development of the transfer network
為適應新的業務傳送環境，提高電信運營商的市場競爭力，以自動交換傳送網（ astn ）及自動交換光網路（ ason ） ?針對otn的astn為標志的傳送網智能化技術應運而生，可以說astn技術是傳送網路發展的一個質的飛躍。 -
At present there are several international standard bodies which are engaged in the standardization of the astn, such as itu - t, ietf, oif and odsi, each having its own focal point in the development of the astn protocol standards
目前，進行astn標準化工作的國際標準組織包括itu - t 、 ietf 、 oif和odsi等，每個組織都各有側重進行astn協議標準的開發。 -
By improving the existing protocols of the ip network, the ietf developed the gmpls protocol, which can be used in various networks including the astn. this protocol pays particular attention to routing and signaling protocols and adopts the peer model
Ietf通過對ip網原有協議的改進，提出了可應用於包括astn在內的多種網路的通用多協議標簽交換（ gmpls ）協議，主要側重於路由和信令協議，採用對等模型。 -
In contrast, in the astn a new multi - layer management plane based on the transfer plane, the control plane and the signaling network substitutes for the nm system of the transfer network, forming a management mechanism that links centralized management and distributed intelligence
而在astn中，傳統傳送網的網路管理體系被基於傳送平面、控制平面和信令網路的新型多層次的管理平面所替代，形成了一個集中管理與分佈智能有機結合的管理形態。 -
A major feature of the astn is the realization of distributed intelligence, i. e., the intelligent network elements, which can enable network topology discovery, routing calculation, automatic link configuration, path management and control and traffic protection and restoration. thus many functions can be performed automatically rather than manually
Astn的重要標志是實現了網路的分佈智能，即網元的智能化，具體體現為依靠網元實現網路拓撲發現、路由計算、鏈路自動配置、路徑的管理和控制、業務的保護和恢復等。
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