scholarly journals Directly and Indirectly Synchronous Communication Mechanisms for Client-Server Systems Using Event-Based Asynchronous Communication Framework

IEEE Access ◽  
2019 ◽  
Vol 7 ◽  
pp. 81969-81982
Author(s):  
Mingyu Lim
2000 ◽  
Vol 4 (2) ◽  
pp. 72-82 ◽  
Author(s):  
Parag C. Pendharkar ◽  
James A. Rodger

Author(s):  
Richard A. Schwier ◽  
Shelly Balbar

A group of graduate students and an instructor at the University of Saskatchewan experimented with the use of synchronous communication (chat) and asynchronous communication (bulletin board) in a theory course in Educational Communications and Technology for an eight-month period. Synchronous communication contributed dramatically to the continuity and convenience of the class, and promoted a strong sense of community. At the same time, it was viewed as less effective than asynchronous communication for dealing with content and issues deeply, and it introduced a number of pedagogical and intellectual limitations. We concluded that synchronous and asynchronous strategies were suitable for different types of learning, and what we experienced was a balancing act between content and community in our group. A combination of synchronous and asynchronous experiences seems to be necessary to promote the kind of engagement and depth required in a graduate seminar.


Author(s):  
Mario Bravetti ◽  
Gianluigi Zavattaro

The authors discuss the interplay between the notions of contract compliance, contract refinement, and choreography conformance in the context of service oriented computing, by considering both synchronous and asynchronous communication. Service contracts are specified in a language independent way by means of finite labeled transition systems. In this way, the theory is general and foundational as the authors abstract away from the syntax of contracts and simply assume that a contract language has an operational semantics defined in terms of a labeled transition system. The chapter makes a comparative analysis of synchronous and asynchronous communication. Concerning the latter, a realistic scenario is considered in which services are endowed with queues used to store the received messages. In the simpler context of synchronous communication, the authors are able to resort to the theory of fair testing to provide decidability results.


Author(s):  
Vincent Yen

In large organizations, typical systems portfolios consist of a mix of legacy systems, proprietary applications, databases, off-the-shelf packages, and client-server systems. Software systems integration is always an important issue and yet a very complex and difficult area in practice. Consider the software integration between two organizations on a supply chain; the level of complexity and difficulty multiply quickly. How to make heterogeneous systems work with each other within an enterprise or across the Internet is of paramount interest to businesses and industry.


Author(s):  
Susan M. Dray

Major changes in the design process are required for Information Systems departments to make the shift from a traditional development life cycle to the user-centered methods required for the development of Client/Server systems. This type of change can be very difficult to accomplish. “Global Enterprises,” a large commodities company, headquartered in the US, is in the early phases of this shift. Their strategy has been to form a cross-functional User Interface team. The efforts underway at Global are presented to illustrate many of the typical technical and organizational issues companies face early in the process of introducing new design methods. The paper concludes by summarizing on key lessons learned.


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