Jie Wu

Distributed System Design (eBook, ePUB)

• Format: ePub

Produktbeschreibung

Future requirements for computing speed, system reliability, and cost-effectiveness entail the development of alternative computers to replace the traditional von Neumann organization. As computing networks come into being, one of the latest dreams is now possible - distributed computing. Distributed computing brings transparent access to as much computer power and data as the user needs for accomplishing any given task - simultaneously achieving high performance and reliability.The subject of distributed computing is diverse, and many researchers are investigating various issues concerning the structure of hardware and the design of distributed software. Distributed System Design defines a distributed system as one that looks to its users like an ordinary system, but runs on a set of autonomous processing elements (PEs) where each PE has a separate physical memory space and the message transmission delay is not negligible. With close cooperation among these PEs, the system supports an arbitrary number of processes and dynamic extensions.Distributed System Design outlines the main motivations for building a distributed system, including:inherently distributed applicationsperformance/costresource sharingflexibility and extendibilityavailability and fault tolerancescalabilityPresenting basic concepts, problems, and possible solutions, this reference serves graduate students in distributed system design as well as computer professionals analyzing and designing distributed/open/parallel systems.Chapters discuss:the scope of distributed computing systemsgeneral distributed programming languages and a CSP-like distributed control description language (DCDL)expressing parallelism, interprocess communication and synchronization, and fault-tolerant designtwo approaches describing a distributed system: the time-space view and the interleaving viewmutual exclusion and related issues, including election, bidding, and self-stabilizationprevention and detection of deadlockreliability, safety, and security as well as various methods of handling node, communication, Byzantine, and software faultsefficient interprocessor communication mechanisms as well as these mechanisms without specific constraints, such as adaptiveness, deadlock-freedom, and fault-tolerancevirtual channels and virtual networksload distribution problemssynchronization of access to shared data while supporting a high degree of concurrency

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Produktdetails

• Verlag: Taylor & Francis
• Seitenzahl: 496
• Erscheinungstermin: 14. Dezember 2017
• Englisch
• ISBN-13: 9781351454667
• Artikelnr.: 50519551

Autorenporträt

Jie Wu

Inhaltsangabe

Chapter 1 introduces some basic concepts, discusses the motivation of
distributed computing systems, and presents the scope of distributed
computing systems. A brief overview of the book is also provided. --
Chapter 2 surveys general distributed programming languages and introduces
a CSP-like distributed control description language (DCDL). This language
is used to describe several control issues such as expressing parallelism,
interprocess communication and synchronization, and fault-tolerant design.
A list of commonly used symbols in DCDL appears in the Appendix. -- Chapter
3 treats distributed systems in a formal way. Several concepts such as
clock, event, and state are introduced as well as two approaches that
describe a distributed system: the time-space view and the interleaving
view. -- Chapter 4 addresses the problem of mutual exclusion which is the
key issue for distributed systems design. Mutual exclusion ensures that
mutually conflicting concurrent processes can share resources. We also
discuss three issues that are related to the mutual exclusion problem:
election, bidding, and self-stabilization. -- Chapter 5 studies prevention
and detection of deadlock in a distributed system. Distributed systems, in
general, exhibit a high degree of resource and data sharing; a situation in
which deadlocks may happen. This chapter discusses several solutions to
deadlock problems that are unique in distributed systems. -- Chapter 6
studies efficient interprocessor communication mechanisms that are
essential to the performance of distributed systems. Three types of
communications: one-to-one {unicast), one-to-many (multicast), and one to-
all (broadcast), as well as their performance, are studied in this chapter.
-- Chapter 7 covers interprocessor communication mechanisms without
specific constraints such as adaptiveness, deadlock-freedom, and fault
tolerance. Concepts of virtual channels and virtual networks are introduced
to achieve various objectives. -- Chapter 8 deals with the reliability
issue in distributed systems. An important objective of using distributed
systems to achieve high dependability includes reliability, safety, and
security. A fundamental issue is to detect and handle faults that might
appear in the system. In this chapter we study various methods of handling
node, communication, Byzantine, and software faults in a distributed
system. -- Chapters 9 and 10 include load distribution problems in a
distributed system. Load distribution is a resource management component of
a distributed system that focuses on judiciously and transparently
redistributing the load of the system among the processors such that
overall performance of the system is maximized. Chapter 9 studies static
load distribution where decisions of load distribution are made by using a
priori knowledge of the system and loads cannot be redistributed during the
run time. -- Chapter 10 deals with dynamic load distribution algorithms
that use system state information {the loads at nodes), at least in part,
to make load distribution decisions. -- Chapter 11 describes distributed
data management issues. Two specific issues are covered: {l)
synchronization of access to shared data while supporting a high degree of
concurrency and {2) reliability. -- Chapter 12 contains applications of
distributed design in operating sys terns, file systems, shared memory
systems, database systems and heterogeneous processing. Possible future
research directions are also listed. The Appendix includes a list of common
symbols in DCDL.