Asynchronous Message Passing
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This document presents an overview of asynchronous message passing. It discusses key aspects such as asynchronous meaning not occurring at the same time and without fixed time intervals. It also describes messages being information sent from a sender to receiver. Additionally, it covers Linda experience which uses a global mailbox and tuple space that acts like a bulletin board for concurrent processes. Interrupt messages and potential lost messages are also summarized along with references in the bibliography.
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Asynchronous Message Passing
- 1. A Presentation 0f Advance Computer Architecture Asynchronous Message Passing Master of Technology In Computer Science &Engineering Submitted T0 Mr. Rajdeep Singh Submitted By Vikash MainanwaI
- 2. CONTENTS Asynchronous Message The Linda Experience Interrupt and Lost Message Bibliography
- 3. 1. Asynchronous 1. Not existing or occurring at the same time. 2. Pertaining to a transmission technique that does not require a common clock between the communicating devices; 3. Without the use of fixed time intervals
- 4. Message A message is information which is sent from a sender to a receiver. Passing Passing is a way which going through one step to another.
- 5. How it work…
- 7. Example of Asynchronous Message
- 8. Linda Experience Linda is based on a global mailbox or a bulletin board. This is done through the use of tuple space which is logically shared by all concurrent processes. Tuple space behaves like a bulletin board and global mailbox. Concurrent programming works in Linda and tuple space is implemented on either shared-memory multiprocessors or distributed-memory multicomputer.
- 10. Interrupt and Lost Messages Interrupt message are a special form of asynchronous message handling. Message are often lost in a message passing system. Special detection algorithm or debugging tools are needed to inspect message buffers and to correct possible system configuration or programming errors.
- 11. Bibliography • Advance Computer Architecture Kai Hwang • — http://en.wikipedia.org/wiki/Passing_(racial_ide ntity) • — http://racerelations.about.com/od/understandin grac1/g/Definition-Of-Passing.htm http://www.qnx.com/developers/docs/6.3.2/neutrino/tec — hnotes/async_messaging.html • http://www2.tcl.tk/3947
Editor's Notes
- A tuple space is an implementation of the associative memory paradigm for parallel/distributed computing. It provides a repository of tuples that can be accessed concurrently. As an illustrative example, consider that there are a group of processors that produce pieces of data and a group of processors that use the data. Producers post their data as tuples in the space, and the consumers then retrieve data from the space that match a certain pattern. This is also known as the blackboard metaphor. Tuple space may be thought as a form of distributed shared memory.Tuple spaces were the theoretical underpinning of the Linda language developed by David Gelernter and Nicholas Carriero at Yale University.Implementations of tuple spaces have also been developed for Java (JavaSpaces), Lisp, Lua, Prolog, Python, Ruby, Smalltalk, Tcl, and the .NET framework.