Distributed Systems: An Algorithmic Approach by Sukumar Ghosh

By Sukumar Ghosh

Distributed platforms: An Algorithmic method, moment Edition presents a balanced and easy remedy of the underlying conception and functional purposes of dispensed computing. As within the past model, the language is saved as unobscured as possible—clarity is given precedence over mathematical formalism. This simply digestible text:

  • Features major updates that reflect the exceptional progress of dispensed systems
  • Explores new subject matters on the topic of peer-to-peer and social networks
  • Includes clean routines, examples, and case studies

Supplying a great knowing of the foremost ideas of disbursed computing and their dating to real-world applications, allotted structures: An Algorithmic strategy, moment Edition makes either a fantastic textbook and a convenient specialist reference.

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Extra info for Distributed Systems: An Algorithmic Approach

Sample text

Another feature of a synchronous system is the first-in-first-out (FIFO) behavior of the channels connecting the processes. With these various possibilities, it seems prudent to use the attribute synchronous to separately characterize the behaviors of clocks, or communication, or channels. In a fully asynchronous system, not only there is clock drift, but also there is no upper bound on the message propagation delays. Processes can be arbitrarily slow, and out-oforder message delivery between any pair of processes is considered feasible.

It can be mathematically demonstrated that this strategy leads to collision avoidance with probability 1. The data transfer rate for the original Xerox PARC Ethernet was only 3 Mb/s (three million bits per second). In the later version of widely used Ethernets, the transfer rate was 10 Mb/s. Technological improvements have led to the emergence of fast Ethernets (100 Mb/s) and gigabit Ethernets (1 GB/s). Gigabit Ethernets can be used as the backbone of a very high-speed network. The latency of message propagation in an Ethernet depends on the degree of contention.

If the reception has to be error-free and the reception order has to be the same as the transmission order, then one needs another protocol like TCP. The most widely used version of IP today is still IP Version 4 (IPv4) with a 32-bit address. However, the adoption of IP Version 6 (IPv6) is growing. IPv6 uses 128-bit addresses and can potentially accommodate many more Internet users. IPv6 includes the capabilities of IPv4 but does not provide downward compatibility—although the two implementations can coexist via dual-stack servers.

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