Distributed systems principles and paradigms (2nd edition)

... Replication 628 14 .1. 8 Fault Tolerance 629 14 .1. 9 Security 630 14 .1. 10 Distributed Object-Based Systems 6 31 14 .1. 11 Distributed File Systems 632 14 .1. 12 Distributed Web-Based Systems 632 14 .1. 13 Distributed ... 11 .1. 1 Client-Server Architectures 4 91 11. 1.2 Cluster-Based Distributed File Systems 496 11 .1. 3 Symmetric Architectures 499 11 .2 PROCES...

Ngày tải lên: 08/08/2014, 21:22

... monitor, analyze, and correct distributed systems in an automatic fashion These examples will also illustrate this distinction between logical and physical organization 2. 4 .2 Example: Systems Monitoring ... predict and select SEC 2. 4 SELF-MANAGEMENT IN DISTRIBUTED SYSTEMS 65 Figure 2- 19 The dependency between prediction accuracy and trace length a next policy This de...

Ngày tải lên: 08/08/2014, 21:22

... operating systems and distributed applications Initially designed for UNIX, it has now been ported to all major operating systems including VMS and Windows variants, as well as desktop operating systems ... systems, notably Sun RPC However, DCE RPC is nevertheless representative of other RPC systems, and its 136 COMMUNICATION CHAP specifications have been adopted in Microsoft'...

Ngày tải lên: 08/08/2014, 21:22

... CHAP Distributed algorithms come in all sorts and flavors and have been developed for very different types of distributed systems Many examples (and further references) can be found in Andrews ... has been changed since input.o was created, and thus input.c must be recompiled On the other hand, if output.c has time 2 144 and output.o has time 2 145 , no compilation is needed Th...

Ngày tải lên: 08/08/2014, 21:22

... known as a write-back cache, which is, again, mainly applied in distributed file systems SEC 7 .5 CONSISTENCY PROTOCOLS 3 15 7 .5. 5 Implementing Client-Centric Consistency For our last topic on ... the issue of how processes in distributed systems synchronize Synchronization is all about doing the right thing at the right time A problem in distributed systems, and computer ne...

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... recover to a correct state, and subsequently when and how the state of a distributed system can be recorded and recovered to, by means of checkpointing and message logging 8 .6. 1 Introduction Fundamental ... checkpoints and message logging Elnozahy et al (2002) provide a survey of checkpointing and logging in distributed systems Various algorithmic details can be found in C...

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... (2003) 10 DISTRIBUTED OBJECT-BASED SYSTEMS With this chapter, we switch from our discussion of principles to an examination of various paradigms that are used to organize distributed systems The ... powerful paradigm for building systems In this chapter, we will take a look at how the principles of distributed systems are applied to a number of well-known object-based sy...

Ngày tải lên: 08/08/2014, 21:22

... that is replicated across three servers 81 , 82 , and 83 , For client A, assume its AVSG covers servers 81 and 82 whereas client B has access only to server 83 , as shown in Fig 11-24 Figure 11-24 ... the text 11 DISTRIBUTED FILE SYSTEMS Considering that sharing data is fundamental to distributed systems, it is not surprising that distributed file systems form the basis f...

Ngày tải lên: 08/08/2014, 21:22

... documents Distributed authoring of Web documents is handled through a separate protocol, namely WebDAV (Goland et al., 199 9) WebDAV stands for Web Distributed Authoring and Versioning and provides ... computation and coordination If we view a distributed system as a collection of (possibly multithreaded) processes, then the computing part of a 5 89 590 DISTRIBUTED COORDINATION...

Ngày tải lên: 08/08/2014, 21:22