Eric Jul
ABSTRACT
This paper proposes a novel language mechanism to accommodate applications that depend on keeping track of the location of highly mobile objects. New applications are driven by several new trends: new, powerful devices such as smart-phones and Google Glass and vastly improved connectivity between such devices and powerful data centers in the Cloud. Applications running on such new, relatively thin clients, can immensely benefit from the enormous data and compute power provided by Cloud computing. As such devices are inherently highly mobile, they will move along the edge of the cloud and it may be advantageous to track such mobility. Furthermore, objects executing in the cloud may move onto the devices to achieve low latency, or, vice versa, may move from the device into the cloud as to leverage the power of the Cloud.
In this position paper, we propose a language mechanism to track the mobility of individual objects, so that an application can rapidly adapt to such mobility.
The construct is proposed for Emerald, but will be applicable to most other OO languages albeit not as cleanly as in Emerald.
The implementation is integrated into the underlying Emerald virtual machine (i.e., the run-time system). We give an overview of the implementation details and discuss the reliability of the mechanism. Keeping track of devices is modelled by keeping track of an object residing on the device.
- A. Black, N. Hutchinson, E. Jul, and H. Levy. Object structure in the Emerald system. In Proceedings of the First ACM Conf. on Object-Oriented Programming Systems, Languages and Applications, volume 21, pages 78--86, Portland, Oregon, October 1986. ACM. Published as SIGPLAN Notices 21(11), November 1986. Google Scholar
Digital Library
- A. Black, N. Hutchinson, E. Jul, H. Levy, and L. Carter. Distribution and abstract data types in Emerald. IEEE Transactions on Software Engineering, SE-13(1):65--76, Jan. 1987. Google ScholarDigital Library
- A. P. Black, N. C. Hutchinson, E. Jul, and H. M. Levy. The development of the Emerald programming language. In Proceedings of the third ACM SIGPLAN conference on History of programming languages, HOPL III, pages 11-1--11-51, New York, NY, USA, 2007. ACM. Google ScholarDigital Library
- O.-J. Dahl, B. Myrhaug, and K. Nygaard. SIMULA information: Common base language. Technical Report Publ. No. S-22, Norwegian Computing Center, Oslo, Norway, October 1970. Revised Edition of Publication No. S-2.Google Scholar
- D. Ingalls. Design Principles Behind Smalltalk. Byte, 6(8), August 1981. Special Issue on Smalltalk.Google Scholar
- E. Jul. Object Mobility in a Distributed Object-Oriented System. Ph.D. thesis, Department of Computer Science, University of Washington, Seattle, Dec. 1988. Google ScholarDigital Library
- E. Jul, H. Levy, N. Hutchinson, and A. Black. Fine-grained mobility in the Emerald system. ACM Transactions on Computer Systems, 6(1):109--133, February 1988. Google ScholarDigital Library
- R. K. Raj, E. Tempero, H. M. Levy, A. P. Black, N. C. Hutchinson, and E. Jul. Emerald: a general-purpose programming language. Software --- Practice and Experience, 21(1):91--118, 1991. Google ScholarDigital Library
Index Terms
- TRACK: keeping track of highly mobile objects: a lanugage-level proposal position paper
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