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1、<p>  外文標(biāo)題:The Design and Implementation of a Network Management Platform for TMN</p><p>  外文作者:Dongjin Han*, Wen-Zhe Cui,</p><p>  文獻(xiàn)出處:International Conference on Computer Communications

2、and Networks,1998,516</p><p>  英文2131單詞, 14568字符,中文3577漢字。</p><p>  此文檔是外文翻譯成品,無需調(diào)整復(fù)雜的格式哦!下載之后直接可用,方便快捷!只需二十多元。</p><p>  The Design and Implementation of a Network Management Platfo

3、rm for TMN</p><p>  Dongjin Han*, Wen-Zhe Cui,Youngeun Park, Shinhyuk Kang and Sunshin An Computer Network Lab., Dept, of Electronic Eng., Korea University</p><p><b>  Abstract</b>&l

4、t;/p><p>  Network management systems which administer actual network resources are developed based on a software system called network management platforms. Network management platforms provide major function

5、s defined in TMN and interfaces to develop network management systems.Our research designs and implements a network management platform suitable to the TMN environment of today and tomorrow. This platform increases the e

6、fficiency in handling management information by completely separating Managed O</p><p>  Introduction</p><p>  The deployment of communication networks and distributed computing systems requir

7、es the use of open standards-based management systems. Telecommunication Management Network (TMN) provides the worldwide accepted ultimate framework for the unified management of all types of telecommunication service

8、s and underlying services in the future. TMN systems use object-oriented information modeling techniques and manager/agent concepts that underlie the Open Systems Interconnection (OSI) system managem</p><p>

9、  This paper deals with the design and implementation of a new network management platform for TMN. Our platform consists of two parts, namely, Management System Kernel(MSK) and Managed Object Generation Envi- ronment(M

10、OGE). MSK provides management systems with run-time environment including not only generic platform services but also additional new features. MOGE provides a management applications development environment including Gu

11、idelines for the Definitions of Management Objects(GDMO) compi</p><p>  Dedicated Agent: A managed system can be requested from multiple managing systems at the same time. Our platform serves each managing

12、system with a respective Dedicated Agent, allowing requests from multiple managing systems to be performed in the managed system concurrently.</p><p>  Internal Data Structure(IDS) and External Meta MIB(EMM

13、): Our platform completely separates class information from Managed Object(MO) implementation. The class information such as package and attribute group information is generated from GDMO scripts and stored in specific

14、files. The set of these specific files are named as External Meta MIB. When a managed system starts or the Dynamic Class Loading is invoked, Internal Data Structure is generated or updated in the managed system's pr

15、ocess by a</p><p>  dual structured Management Information Tree(MIT): In our implementation, MIT consists of the complex structures of balanced Binary Search Trees(BSTs) and doubly linked lists. The balanced

16、 BSTs are used in searching a base MO, and the doubly linked lists in scoping operation respectively.</p><p>  Class Level Filtering(CLF): In this paper, all instances in an MIT are classified by MO class i

17、nformation. Using this information, instances of improper classes may be excluded from being filtered though being selected by scoping.</p><p>  Dynamic Class Loading: In conventional network management pl

18、atforms, if a new MO class is developed while a managed system process is running, the process has to be regenerated and restarted for the addition of newly-made MO class information to take effect, causing fatal emptin

19、ess. To overcome this defect, we provide the Dynamic Class Loading feature.</p><p>  Overall architecture</p><p>  Components</p><p>  The platform consists of two parts, the MSK a

20、nd MOGE. Figure 1 depicts overall platform architecture and three kinds of operation flows: numeric, uppercase alphabet, and lowercase alphabet.</p><p>  As depicted in Figure 1, the MSK is comprised of seve

21、n components. Agent Core is a main component of the platform and runs in the form of a thread. It is responsible for initializing a managed system, establishing an association with managing systems and performing Dynami

22、c Class Loading. Dedicated Agent is also a form of a thread and is created by the Agent Core following an association request from a managing system. Its role is to provide a specified managing system with management ser

23、vices. </p><p>  Even though MOGE consists of several components, we will focus only on selected components for the con* centration on the subject of this paper. The ASN.l compiler produces C++ class typed

24、syntax from ASN.l definition of the syntax. The GDMO compiler produces MO codes and an EMM from GDMO scripts. The EMM is comprised of several files, which contain the information of MO classes. It is used to construct a

25、n IDS in initiating a managed system or performing the CLF. MO framework provides basic f</p><p>  Three kinds of operation flows</p><p>  In the paper, operation flows in the platform can be s

26、eparated into three kinds of major operation flows. One is concerned with initializing managed systems(l-6) in MSK, another with establishing an association and performing management operations including event notifica-

27、 tion(A-J) and the last with generating new MO classes in MOGE(a-g).</p><p>  Initializing a managed system</p><p>  When a managed systems starts, Agent Core creates Scheduler and Monitor threa

28、ds. Also, it constructs IDS from EMM(l). By invoking the creation functions of MO classes in the IDS, Agent Core creates initial MO instances(2). A user may want to specify the new MO instances or reload the saved data o

29、f MO instances from persistent devices as the initial MO instances. When an MO instance is created, user code in the MO may be invoked for satisfying the developer’s requirements. This code may be inten</p><p

30、>  Implementation</p><p>  Agent Core</p><p>  The Agent Core is the main module of the platform and runs in the form of a thread. It plays the following roles as shown in Figure 2:</p>

31、<p>  Constructs an IDS containing all information of MO classes from EMM.</p><p>  Initializes the Scheduler and Monitor, which respectively supports timer service and interaction with real resource

32、</p><p>  Establishes associations with managing systems.</p><p>  Creates a Dedicated Agent to take charge of subsequent management operations from the managing system. Whenever an association

33、 request of another managing system arrives, the Agent Core repeats this step.</p><p>  Dedicated Agent</p><p>  The Dedicated Agent takes charge of management operations requested by a single m

34、anaging system. It also runs in the form of a thread and is created by the Agent Core. The Dedicated Agent plays the following roles(see Figure 3):</p><p>  Provides a specified managing system with a manag

35、ement service. Multiple Dedicated Agents may</p><p>  Management Information Tree</p><p>  In a managed system, all MO instances are administered in an MIT based on containment relationship. Th

36、e containment relationship allows one MO instance to contain one or more other MO instances, and a containing MO instance can be contained in another MO instance. Each MO instance can be identified with a unique name ba

37、sed on the containment relationship. A management operation can be requested on one or more MO instances by a managing system specifying the scope and filter parameters in the m</p><p>  Managed Object frame

38、work</p><p>  The MO framework provides the feature of the basic function of the management operations and the hooks where developer can insert the user code to satisfy his requirements. The hooks are implem

39、ented through the virtual function. All the virtual functions are defined in Top class, which is the general MO class defined in X.721. The contents of instances of an MO class using conditional packageis) should be dec

40、ided dynamically in MO creation time. In other words, instances of same MO class may h</p><p>  External Meta MIB</p><p>  The EMM is used to initialize and update the IDS when an MO class need

41、s to be added into a management application. When a GDMO compiler compiles a GDMO script defined by a developer, the EMM files are generated with MO class codes. EMM includes two parts: one reflects the MO class definiti

42、on described in a GDMO script, and the other identifies the location and the name of shared libraries of MO classes.</p><p>  GDMO compiler</p><p>  The GDMO compiler is an essential component o

43、f management platform. The output of GDMO compiler includes MO class C++ codes and the EMM. The MO class codes are compiled into shared libraries by using C++ compiler, and the EMM is used to initialize and update the I

44、DS when the MO classes are added into a network management system.</p><p>  management environments. Hence, Under the above test conditions, the response time of the GET operations in both of platforms is t

45、ested in the following three cases with variable filter:</p><p>  No filter is specified</p><p>  Filter is set with “testObjectlcT</p><p>  Filter is set with “panzeeAttr<=10”&l

46、t;/p><p>  4Conclusion</p><p>  In this paper, we have designed and implemented a network management platform, which supports not only the features defined in OSI management model, but also some ad

47、ditional ones. The managed system based on our platform is able to concurrently handle the requests from multiple managing systems. In addition this platform increases the efficiency in handling management information b

48、y completely separating Managed Object class information from instance information. Introducing new concepts, name</p><p>  References</p><p>  CCITT, "Systems Management Overview", C

49、CITT X.700 series recommendations, CCITT, 1992</p><p>  CCITT, "Overview of TMN Recommendations", CCITT X.3000 series recommendations, CCITT, 1992</p><p>  George Pavlou, “The OSIMIS P

50、latform: Making OSI Management Simple” in Proc. INM IV, pp. 480-493, 1995.</p><p>  Uyless Black, “Network Management Standards", McGraw-Hill Series on Computer Communications, 1995</p><p>

51、  Morris Sloman, et al., "Network and Distributed Systems Management", Addison-Wesley Publishing Company, 1994</p><p>  Iosif G. Ghetie, “Network and System Management Platform analysis and Evalua

52、tion”,Kluwer Academic Publishers, 1997</p><p>  Charles J. Northrup, “Programming with UNIX Threads”, John Wiley & Sons, Inc., 1996</p><p>  Salah Aidarous, Thomas Plevyak, "Telecommun

53、ications Network Management Technologies and Implementations”, IEEE Series on Network Management, 1997</p><p>  TMN網(wǎng)絡(luò)管理平臺(tái)的設(shè)計(jì)與實(shí)現(xiàn)</p><p>  Dongjin Han*, Wen-Zhe Cui,Youngeun Park, Shinhyuk Kang an

54、d Sunshin An Computer Network Lab., Dept, of Electronic Eng., Korea University</p><p><b>  摘要:</b></p><p>  管理著實(shí)際網(wǎng)絡(luò)資源的網(wǎng)絡(luò)管理系統(tǒng)的開發(fā)都是基于被稱之為網(wǎng)絡(luò)管理平臺(tái)的軟件系統(tǒng)。</p><p>  網(wǎng)絡(luò)管理平臺(tái)提供TMN中

55、定義的主要功能以及連接著去開發(fā)網(wǎng)絡(luò)管理系統(tǒng)。我們的研究設(shè)計(jì)并實(shí)現(xiàn)了既適合當(dāng)今又適合未來TMN環(huán)境的網(wǎng)絡(luò)管理平臺(tái)。該平臺(tái)通過將實(shí)例信息中的Managed Object類信息實(shí)現(xiàn)完全分離,提高了處理管理信息的效率。此外,通過多結(jié)構(gòu)MIT和CMIS服務(wù)執(zhí)行的多階段布置,平臺(tái)的性能得到顯著改善。此外,我們的平臺(tái)允許在運(yùn)行時(shí)將新的MIB添加到受管系統(tǒng),解決了重新編譯和重新啟動(dòng)網(wǎng)絡(luò)管理系統(tǒng)的問題。在我們的研究中,我們提出了一個(gè)新的級別過濾的概念,隨

56、著MIT功能的擴(kuò)大,其性能也相對較高。</p><p><b>  1.引言</b></p><p>  通信網(wǎng)絡(luò)和分布式計(jì)算系統(tǒng)的部署需要使用基于開放式標(biāo)準(zhǔn)的管理系統(tǒng)。通信管理網(wǎng)絡(luò)(TMN)為將來統(tǒng)一管理各種通信業(yè)務(wù)和基礎(chǔ)業(yè)務(wù)提供了全球公認(rèn)的終極框架。 TMN系統(tǒng)使用面向?qū)ο蟮男畔⒔<夹g(shù)和基于開放系統(tǒng)互連(OSI)系統(tǒng)管理的管理人或代理人概念[1]。管理著實(shí)際網(wǎng)絡(luò)

57、資源的網(wǎng)絡(luò)管理系統(tǒng)的開發(fā)都是基于被稱之為網(wǎng)絡(luò)管理平臺(tái)的軟件系統(tǒng)。通常,網(wǎng)絡(luò)管理平臺(tái)同時(shí)提供運(yùn)行時(shí)間和開發(fā)環(huán)境。運(yùn)行時(shí)環(huán)境由通用管理服務(wù)來表現(xiàn),它反映了管理平臺(tái)的整體可操作性。開發(fā)環(huán)境為管理應(yīng)用程序提供了方便性,并允許將這些應(yīng)用程序集成到平臺(tái)服務(wù)中。網(wǎng)絡(luò)管理應(yīng)用程序的性能依賴于網(wǎng)絡(luò)管理平臺(tái)本身的性能。在管理系統(tǒng)中執(zhí)行管理操作的過程中,所有執(zhí)行的代碼都由網(wǎng)絡(luò)管理平臺(tái)提供,用戶代碼除外??梢蕴砑佑脩舸a以滿足管理系統(tǒng)開發(fā)者的要求,例如,嫁接到

58、真實(shí)的資源。</p><p>  本文介紹了TMN新的網(wǎng)絡(luò)管理平臺(tái)的設(shè)計(jì)和實(shí)現(xiàn)。 我們的平臺(tái)由兩部分組成,即管理系統(tǒng)內(nèi)核(MSK)和管理對象生成環(huán)境(MOGE)。 MSK為管理系統(tǒng)提供運(yùn)行時(shí)環(huán)境,不僅包括通用平臺(tái)服務(wù),還包括其他新功能。 MOGE提供了一個(gè)管理應(yīng)用程序開發(fā)環(huán)境,包括管理對象定義指南(GDMO)編譯器,ASN.I編譯器,針對掛鉤和配置特定數(shù)據(jù)存儲(chǔ)的用戶應(yīng)用程序接口(API)。 我們的平臺(tái)支持OSI系

59、統(tǒng)管理和高效開發(fā)環(huán)境中定義的全部功能。 此外,它還提供了可增強(qiáng)性能和適應(yīng)性的新功能。 附加功能是:</p><p>  ?專用代理:可以同時(shí)從多個(gè)管理系統(tǒng)請求受管系統(tǒng)。 我們的平臺(tái)為每個(gè)管理系統(tǒng)提供相應(yīng)的專用代理,允許來自多個(gè)管理系統(tǒng)的請求同時(shí)在管理系統(tǒng)中執(zhí)行。</p><p>  ?內(nèi)部數(shù)據(jù)結(jié)構(gòu)(IDS)和外部元管理信息庫(EMM):我們的平臺(tái)將類信息與管理對象(MO)實(shí)現(xiàn)完全分開。 類

60、信息(如安裝包和屬性組信息)由GDMO腳本生成并存儲(chǔ)在特定文件中。 這些特定存儲(chǔ)信息的集合被命名為外部元管理信息庫。 當(dāng)受管系統(tǒng)啟動(dòng)或調(diào)用動(dòng)態(tài)類加載時(shí),通過分析和收集管理信息庫的信息,在受管系統(tǒng)的進(jìn)程中生成或更新內(nèi)部數(shù)據(jù)結(jié)構(gòu)。</p><p>  ?雙結(jié)構(gòu)管理信息樹(MIT):在我們的實(shí)現(xiàn)中,MIT由平衡二叉搜索樹(BST)和雙向鏈表組成的復(fù)雜結(jié)構(gòu)組成。 平衡BST分別用于搜索基本MO和雙向鏈表。</p&g

61、t;<p>  ?CLF(分層過濾):在本文中,MIT中的所有實(shí)例都按MO類信息進(jìn)行分類。 使用這些信息,不正確層級的實(shí)例可能被排除在篩選之外,盡管是通過范圍選擇來進(jìn)行篩選。</p><p>  動(dòng)態(tài)類加載:在傳統(tǒng)的網(wǎng)絡(luò)管理平臺(tái)中,如果在管理系統(tǒng)進(jìn)程運(yùn)行時(shí)開發(fā)新的MO類,則必須重新生成并重新啟動(dòng)該進(jìn)程以添加新生成的MO類信息才能生效,從而導(dǎo)致致命的空虛。 為了克服這個(gè)缺陷,我們提供了動(dòng)態(tài)類加載功能。

62、</p><p><b>  2整體架構(gòu)</b></p><p><b>  組件</b></p><p>  該平臺(tái)由兩部分組成,即MSK和MOGE。 圖1描述了整體平臺(tái)架構(gòu)和三種操作流程:數(shù)字,大寫字母和小寫字母。</p><p>  如圖1所示,MSK由七個(gè)組件組成。 Agent Core是該

63、平臺(tái)的主要組件,并以線程的形式運(yùn)行。它負(fù)責(zé)初始化受管系統(tǒng),建立與管理系統(tǒng)的關(guān)聯(lián)并執(zhí)行動(dòng)態(tài)類加載。專用代理也是線程的一種形式,由Agent Core根據(jù)來自管理系統(tǒng)的關(guān)聯(lián)請求創(chuàng)建。它的作用是為管理系統(tǒng)提供管理服務(wù)。整個(gè)管理界面可用的全套MO實(shí)例在MIT中組織。當(dāng)在管理系統(tǒng)中執(zhí)行操作時(shí),所有的MO都通過MIT訪問[2]。在我們的研究中,我們設(shè)計(jì)和實(shí)施MIT是一個(gè)由平衡BST和雙向鏈表組成的復(fù)雜結(jié)構(gòu)。 IDS維護(hù)所有MO類別的信息。 Agen

64、t Core根據(jù)EMM的信息構(gòu)建IDS。每個(gè)類信息(如對象標(biāo)識符,安裝包,名稱綁定和異形)均建立在其各自的稱為AA樹的平衡搜索樹中。管理信息庫(MIB)存儲(chǔ)作為除M-Create操作以外的所有管理操作的MO實(shí)例。調(diào)度程序?yàn)镸O實(shí)例提供定時(shí)器服務(wù)。通過使用Scheduler API,可以在特定的時(shí)間或間隔內(nèi)調(diào)用MO實(shí)例中的相應(yīng)功能。監(jiān)視器可以使MO信息從真實(shí)資源接收消息。通信基礎(chǔ)設(shè)施結(jié)構(gòu)(CIS)為管理應(yīng)用程序提供通信服務(wù)。 CIS由關(guān)聯(lián)

65、控制服務(wù)元素(ACSE),ROSE(遠(yuǎn)程操作服務(wù)元素),CM</p><p>  盡管MOGE由多個(gè)組件組成,但我們將只關(guān)注選定的組件以專注于本文的研究主題。 ASN.l編譯器根據(jù)秩序排列的ASN.l定義生成C ++類類型排列秩序。 GDMO編譯器通過GDMO腳本生成MO代碼和EMM。 EMM由幾個(gè)文件存儲(chǔ)組成,其中包含MO類的信息。 它用于在啟動(dòng)受管系統(tǒng)或執(zhí)行CLF時(shí)構(gòu)建IDS。 MO框架為管理操作提供了MO的

66、基本功能,以及使托管系統(tǒng)在開發(fā)人員能夠插入用戶代碼以滿足其需求。</p><p><b>  三種運(yùn)行流程</b></p><p>  本文將平臺(tái)的運(yùn)行流程分為三種主要運(yùn)行流程。 一個(gè)涉及MSK中的管理系統(tǒng)(I-6)的初始化,另一個(gè)涉及建立關(guān)聯(lián)并執(zhí)行包括事件通知(A-J)在內(nèi)的管理操作,另一個(gè)涉及在MOGE(a-g)中生成新的MO類。</p><p

67、><b>  初始化管理系統(tǒng)</b></p><p>  當(dāng)管理系統(tǒng)啟動(dòng)時(shí),Agent Core將創(chuàng)建調(diào)度程序和監(jiān)視器線程。 另外,它從EMM構(gòu)建IDS(l)。 通過調(diào)用IDS中MO類的創(chuàng)建功能,Agent Core創(chuàng)建初始MO實(shí)例(2)。 用戶可能想要指定新的MO實(shí)例或從永久設(shè)備重新加載保存的MO實(shí)例數(shù)據(jù)作為初始MO實(shí)例。 當(dāng)MO實(shí)例被創(chuàng)建時(shí),MO中的用戶代碼可以被調(diào)用以滿足開發(fā)者的

68、要求。 此代碼可能旨在與真實(shí)資源進(jìn)行交互(3)。 另外,用戶代碼可以向調(diào)度程序請求定時(shí)器服務(wù),并將輸入端口注冊到監(jiān)視器以接收來自特定實(shí)際資源的消息(4)。 監(jiān)視器開始檢測信號(5)。 一旦所有上述任務(wù)完成,MO實(shí)例就在MIT進(jìn)行了注冊(6)。</p><p><b>  3 實(shí)現(xiàn)</b></p><p><b>  以Agent為核心</b>&l

69、t;/p><p>  Agent Core是平臺(tái)的主要模塊,并以線程的形式運(yùn)行。 它起到以下的作用,如圖2所示:</p><p>  ?構(gòu)建一個(gè)包含來自EMM的MO類的所有信息的IDS。</p><p>  ?初始化調(diào)度器和監(jiān)視器,它們分別支持定時(shí)器服務(wù)和與實(shí)際資源的交互</p><p>  ?建立與管理系統(tǒng)的關(guān)聯(lián)。</p><

70、;p>  創(chuàng)建專用代理,負(fù)責(zé)管理系統(tǒng)的后續(xù)管理操作。 無論何時(shí)到達(dá)另一個(gè)管理系統(tǒng)的關(guān)聯(lián)請求,Agent Core都會(huì)重復(fù)此步驟。</p><p><b>  專用代理</b></p><p>  專用代理負(fù)責(zé)一個(gè)管理系統(tǒng)所要求的管理操作。 它也以線程的形式運(yùn)行并由Agent Core創(chuàng)建。 專用代理起到以下作用(見圖3):</p><p>

71、;  提供具有管理服務(wù)的指定管理系統(tǒng)。 多個(gè)專用代理可能</p><p><b>  管理信息樹</b></p><p>  在受管系統(tǒng)中,所有MO實(shí)例都是基于包含關(guān)系在MIT中進(jìn)行管理的。 包含關(guān)系允許一個(gè)MO實(shí)例包含一個(gè)或多個(gè)其他MO實(shí)例,并且包含MO實(shí)例可以包含在另一個(gè)MO實(shí)例中。 每個(gè)MO實(shí)例可以根據(jù)包含關(guān)系使用唯一的名稱進(jìn)行標(biāo)識。 一個(gè)管理系統(tǒng)可以在一個(gè)或多

72、個(gè)MO實(shí)例上請求管理操作,指明管理操作原語[2]中的范圍和過濾器參數(shù)。</p><p><b>  托管對象框架</b></p><p>  MO框架提供了管理操作基本功能的特征以及開發(fā)人員可以插入用戶代碼以滿足其要求的掛鉤。 鉤子是通過虛擬函數(shù)實(shí)現(xiàn)的。 所有的虛擬函數(shù)都是在Top類中定義的,這是在X.721中定義的一般MO類。 使用條件包的MO類實(shí)例的內(nèi)容應(yīng)在MO創(chuàng)

73、建時(shí)間內(nèi)動(dòng)態(tài)決定。 換句話說,相同MO類的實(shí)例可以分別具有不同的屬性和操作。 MO框架支持這一功能,為MO類提供了最大的靈活性。</p><p><b>  外部元信息管理庫</b></p><p>  當(dāng)需要將MO類添加到管理應(yīng)用程序時(shí),EMM用于初始化和更新IDS。 當(dāng)GDMO編譯器編譯由開發(fā)人員定義的GDMO腳本時(shí),EMM文件將使用MO類代碼生成。 EMM包含兩

74、部分:一部分反映GDMO腳本中描述的MO類定義,另一部分標(biāo)識MO類共享庫的位置和名稱。</p><p><b>  GDMO編譯器</b></p><p>  GDMO編譯器是管理平臺(tái)的重要組成部分。 GDMO編譯器的輸出包括MO類C ++代碼和EMM。 MO類代碼使用C ++編譯器編譯到共享庫中,當(dāng)MO類添加到網(wǎng)絡(luò)管理系統(tǒng)中時(shí),EMM用于初始化和更新IDS。<

75、/p><p>  管理環(huán)境。在上述測試條件下,在以下三種使用可變?yōu)V波器的情況下,測試兩種平臺(tái)中GET操作的響應(yīng)時(shí)間:</p><p><b>  ?沒有指定過濾器</b></p><p>  ?過濾器設(shè)置為“testObjectlcT”</p><p>  ?過濾器設(shè)置為“panzeeAttr <= 10”</p

76、><p><b>  4 結(jié)論</b></p><p>  在本文中,我們設(shè)計(jì)并實(shí)現(xiàn)了一個(gè)網(wǎng)絡(luò)管理平臺(tái),它不僅支持OSI管理模型中定義的功能,還支持一些額外的功能。 基于我們平臺(tái)的受管系統(tǒng)能夠同時(shí)處理來自多個(gè)管理系統(tǒng)的請求。 另外,該平臺(tái)通過將實(shí)例信息中的MO類信息完全分離,提高了處理管理信息的效率。 引入新的概念,即分層過濾和動(dòng)態(tài)類加載,可以提高網(wǎng)絡(luò)管理系統(tǒng)的性能和穩(wěn)定

77、性。 從性能評估中可以發(fā)現(xiàn),通過使用平臺(tái)的高級功能,網(wǎng)絡(luò)管理系統(tǒng)的整體性能得到顯著提高。 未來,我們計(jì)劃改進(jìn)動(dòng)態(tài)加載機(jī)制以實(shí)現(xiàn)更靈活的功能。 此外,還將提供更詳細(xì)的績效評估報(bào)告。</p><p><b>  參考文獻(xiàn)</b></p><p>  CCITT, "Systems Management Overview", CCITT X.700 se

78、ries recommendations, CCITT, 1992</p><p>  CCITT, "Overview of TMN Recommendations", CCITT X.3000 series recommendations, CCITT, 1992</p><p>  George Pavlou, “The OSIMIS Platform: Maki

79、ng OSI Management Simple” in Proc. INM IV, pp. 480-493, 1995.</p><p>  Uyless Black, “Network Management Standards", McGraw-Hill Series on Computer Communications, 1995</p><p>  Morris Slom

80、an, et al., "Network and Distributed Systems Management", Addison-Wesley Publishing Company, 1994</p><p>  Iosif G. Ghetie, “Network and System Management Platform analysis and Evaluation”,Kluwer

81、Academic Publishers, 1997</p><p>  Charles J. Northrup, “Programming with UNIX Threads”, John Wiley & Sons, Inc., 1996</p><p>  Salah Aidarous, Thomas Plevyak, "Telecommunications Netw

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