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Edit Comment Close Premium member Presentation Transcript Slide 1: 1 SYSTEM MODEL From Chapter 2 of Distributed Systems Concepts and Design,4th Edition, By: Babu Ram Dawadi Asst. Professor, IOE Pulchowk Campus Tribhuvan Univerisity, Nepal Topics : 2 Topics SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Introduction : 3 Introduction SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Introduction : 4 Introduction SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Introduction : 5 Introduction SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Introduction : 6 Introduction SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Introduction : 7 Introduction SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Introduction : 8 Introduction SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Architectural Models : 9 Architectural Models SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Architectural Models-Intro : 10 Architectural Models-Intro Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Architectural Models-Intro : 11 Architectural Models-Intro SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Software Layers : 12 Software Layers SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Software Layers : 13 Software Layers SYSTEM MODEL Layer 1 Layer 2 Layer N (services offered to above layer) … Figure 1. Software layers Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Software Layers : 14 Software Layers SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Software Layers : 15 Software Layers SYSTEM MODEL Figure 2. Software and hardware service layers in distributed systems Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Software Layers : 16 Software Layers SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Software Layers : 17 Software Layers SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 System Architectures : 18 System Architectures SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 System Architectures : 19 System Architectures SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 System Architectures : 20 System Architectures SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 System Architectures : 21 System Architectures SYSTEM MODEL Figure 3. General interaction between a client and a server. Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 System Architectures : 22 System Architectures SYSTEM MODEL Figure 4. Clients invoke individual servers Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 System Architectures : 23 System Architectures SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 System Architectures : 24 System Architectures SYSTEM MODEL Figure 5. A distributed application based on the peer-to-peer architecture Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 25 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 26 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 27 Variants of Client Sever Model SYSTEM MODEL Figure 6. A service provided by multiple servers. Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 28 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 29 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Figure 7. Web proxy server Variants of Client Sever Model : 30 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 31 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 32 Variants of Client Sever Model SYSTEM MODEL Figure 8. Web applets Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 33 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 34 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 35 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 36 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 37 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 38 Variants of Client Sever Model SYSTEM MODEL Figure 9. Thin clients and compute servers Thin Client Application Process Network computer or PC Compute server network Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 39 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 40 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Design Requirements for distributed architectures : 41 Design Requirements for distributed architectures SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Design Requirements for distributed architectures : 42 Design Requirements for distributed architectures SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Design Requirements for distributed architectures : 43 Design Requirements for distributed architectures SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Design Requirements for distributed architectures : 44 Design Requirements for distributed architectures SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Fundamental Models : 45 Fundamental Models SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Fundamental Models-Intro : 46 Fundamental Models-Intro SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Fundamental Models-Intro : 47 Fundamental Models-Intro SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Fundamental Models-Intro : 48 Fundamental Models-Intro SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model : 49 Interaction Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model : 50 Interaction Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model-Communication Channels : 51 Interaction Model-Communication Channels SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model-Communication Channels : 52 Interaction Model-Communication Channels SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model-Computer Clock : 53 Interaction Model-Computer Clock SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model-Computer Clock : 54 Interaction Model-Computer Clock SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model-Computer Clock : 55 Interaction Model-Computer Clock SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model-Variations : 56 Interaction Model-Variations SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model : 57 Interaction Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model : 58 Interaction Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model : 59 Interaction Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model : 60 Interaction Model SYSTEM MODEL Figure 10. Real-time ordering of events. Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model : 61 Interaction Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 62 Failure Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 63 Failure Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 64 Failure Model SYSTEM MODEL Figure 11. Processes and channels. Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 65 Failure Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 66 Failure Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 67 Failure Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 68 Failure Model SYSTEM MODEL Figure 12. Omission and arbitrary failures. Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 69 Failure Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 70 Failure Model SYSTEM MODEL Figure 13. Timing failures. Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 71 Failure Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 72 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 73 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 74 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 75 Security Model SYSTEM MODEL Figure 14. Objects and principals. Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 76 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 77 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 78 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 79 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 80 Security Model SYSTEM MODEL Figure 16. Secure channels A Secure channel Process Process Principal Principal B p q Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 81 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 82 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 83 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
Class789_System_Models baburd Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 117 Category: Science & Tech.. License: All Rights Reserved Like it (0) Dislike it (0) Added: January 28, 2010 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... By: Shahzeena (15 month(s) ago) plese send this presentation on my id shazee.mskhome@gmail.com. I will be very thankful to you. Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Slide 1: 1 SYSTEM MODEL From Chapter 2 of Distributed Systems Concepts and Design,4th Edition, By: Babu Ram Dawadi Asst. Professor, IOE Pulchowk Campus Tribhuvan Univerisity, Nepal Topics : 2 Topics SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Introduction : 3 Introduction SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Introduction : 4 Introduction SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Introduction : 5 Introduction SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Introduction : 6 Introduction SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Introduction : 7 Introduction SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Introduction : 8 Introduction SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Architectural Models : 9 Architectural Models SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Architectural Models-Intro : 10 Architectural Models-Intro Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Architectural Models-Intro : 11 Architectural Models-Intro SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Software Layers : 12 Software Layers SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Software Layers : 13 Software Layers SYSTEM MODEL Layer 1 Layer 2 Layer N (services offered to above layer) … Figure 1. Software layers Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Software Layers : 14 Software Layers SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Software Layers : 15 Software Layers SYSTEM MODEL Figure 2. Software and hardware service layers in distributed systems Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Software Layers : 16 Software Layers SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Software Layers : 17 Software Layers SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 System Architectures : 18 System Architectures SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 System Architectures : 19 System Architectures SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 System Architectures : 20 System Architectures SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 System Architectures : 21 System Architectures SYSTEM MODEL Figure 3. General interaction between a client and a server. Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 System Architectures : 22 System Architectures SYSTEM MODEL Figure 4. Clients invoke individual servers Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 System Architectures : 23 System Architectures SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 System Architectures : 24 System Architectures SYSTEM MODEL Figure 5. A distributed application based on the peer-to-peer architecture Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 25 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 26 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 27 Variants of Client Sever Model SYSTEM MODEL Figure 6. A service provided by multiple servers. Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 28 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 29 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Figure 7. Web proxy server Variants of Client Sever Model : 30 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 31 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 32 Variants of Client Sever Model SYSTEM MODEL Figure 8. Web applets Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 33 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 34 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 35 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 36 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 37 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 38 Variants of Client Sever Model SYSTEM MODEL Figure 9. Thin clients and compute servers Thin Client Application Process Network computer or PC Compute server network Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 39 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Variants of Client Sever Model : 40 Variants of Client Sever Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Design Requirements for distributed architectures : 41 Design Requirements for distributed architectures SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Design Requirements for distributed architectures : 42 Design Requirements for distributed architectures SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Design Requirements for distributed architectures : 43 Design Requirements for distributed architectures SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Design Requirements for distributed architectures : 44 Design Requirements for distributed architectures SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Fundamental Models : 45 Fundamental Models SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Fundamental Models-Intro : 46 Fundamental Models-Intro SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Fundamental Models-Intro : 47 Fundamental Models-Intro SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Fundamental Models-Intro : 48 Fundamental Models-Intro SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model : 49 Interaction Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model : 50 Interaction Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model-Communication Channels : 51 Interaction Model-Communication Channels SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model-Communication Channels : 52 Interaction Model-Communication Channels SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model-Computer Clock : 53 Interaction Model-Computer Clock SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model-Computer Clock : 54 Interaction Model-Computer Clock SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model-Computer Clock : 55 Interaction Model-Computer Clock SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model-Variations : 56 Interaction Model-Variations SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model : 57 Interaction Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model : 58 Interaction Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model : 59 Interaction Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model : 60 Interaction Model SYSTEM MODEL Figure 10. Real-time ordering of events. Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Interaction Model : 61 Interaction Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 62 Failure Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 63 Failure Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 64 Failure Model SYSTEM MODEL Figure 11. Processes and channels. Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 65 Failure Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 66 Failure Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 67 Failure Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 68 Failure Model SYSTEM MODEL Figure 12. Omission and arbitrary failures. Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 69 Failure Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 70 Failure Model SYSTEM MODEL Figure 13. Timing failures. Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Failure Model : 71 Failure Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 72 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 73 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 74 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 75 Security Model SYSTEM MODEL Figure 14. Objects and principals. Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 76 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 77 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 78 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 79 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 80 Security Model SYSTEM MODEL Figure 16. Secure channels A Secure channel Process Process Principal Principal B p q Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 81 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 82 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005 Security Model : 83 Security Model SYSTEM MODEL Couloris,Dollimore and Kindberg Distributed Systems: Concepts & Design Edn. 4 , Pearson Education 2005