N. Davies, "The impact of mobility on distributed systems platforms," in Distributed Platforms, A. Schill, C. Mittasch, O. Spaniol, and C. Popien, Eds., pp. 18--25. Chapman & Hall, London, U.K., 1996. Home/Search Document Details and Download
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Middleware Services over Satellite Networks: A Survey of Issues - Gordon, Billington (Correct)
....(RFI) indicate more work is needed (e.g. identifying the services to be provided by CORBA and an ESIOP and those to be provided by the networking layer, and their interactions) to provide complete answers. 4.2. 2 Mobility The effects of mobility on middleware has attracted some research [21, 22], the most notable within the ANSA project [23] Their approach was to handle the effects of mobility (e.g. fluctuating quality of service in the communications network) by providing applications with knowledge about the network [22] This was also applied to Wide Area Networks [24] This is the ....
.... effects of mobility on middleware has attracted some research [21, 22] the most notable within the ANSA project [23] Their approach was to handle the effects of mobility (e.g. fluctuating quality of service in the communications network) by providing applications with knowledge about the network [22]. This was also applied to Wide Area Networks [24] This is the opposite of what other platforms try to do, which is hide the network characteristics from applications. ANSAware has been extended to support mobile applications, in particular multimedia applications [25] This was done by modifying ....
N. Davies, "The impact of mobility on distributed systems platforms," in Distributed Platforms, A. Schill, C. Mittasch, O. Spaniol, and C. Popien, Eds., pp. 18--25. Chapman & Hall, London, U.K., 1996.
An Investigation into the use of the Tuple Space Paradigm in.. - Wade (1999) (1 citation) (Correct)
....it wishes to contact that system without establishing a binding to enable the necessary QoS information to be gathered. Secondly, there are other QoS parameters which are not necessarily linked to communications that may be usefully employed by mobile platforms and adaptive mobile applications [Davies,96a] These include measures associated with cost, location and power. cost communications Quality of Service location Figure 3.1: Quality of Service can encompass many things As section 1.3.1 discussed, a range of wide area wireless communications services are now available which fall into ....
....the costs to users associated with distributed systems. A small number of initiatives, like TINA [TINA C,99] which have been pursued by telecommunications companies have drawn clear distinctions between services residing inside the network, which are chargeable, and those which lie outside [Davies,96a] The MOST Platform includes some support for describing the cost associated with dial up channels within the serial UDP (S UDP) service that underpins the higher level QEX and G QEX protocols, although the nature of this support is fairly primitive [Cheverst,99] Friday,96] In the future, ....
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N. Davies, "The Impact of Mobility on Distributed Systems Platforms", Proceedings of the 1st International Conference on Distributed Platforms (ICDP '96), Dresden, Germany, 27 February-1 March 1996.
Basic Patterns of Distributed Object-Oriented Computing - Kähkipuro (Correct)
....bus. This way, the QoS can also be controlled when using existing applications. Notes This technique has been identified as an important part of object oriented middleware environments after the invention of mobile computing agents where the cost of communication has become an important issue [Dav96]. 6. Conclusion We have presented the basic elements of a pattern language capturing the most important techniques used in today s object oriented distributed systems. The patterns are especially well suited for environments with heterogeneous components and multiple domains. This choice limits ....
Davies. N., The impact of mobility on distributed systems platforms, in Distributed Platforms, (ed.) Alexander Schill et al., Chapmann & Hall, Great Britain, 1996.
Developing Adaptive Applications: The MOST Experience - Friday, Davies, Blair.. (8 citations) Self-citation (Davies) (Correct)
....engineering of future adaptive systems. 1. Introduction Future computer environments will include mobile computers which will either be disconnected, weakly inter connected by low speed wireless networks such as GSM, or fully inter connected by high speed networks ranging from Ethernet to ATM [Davies,96] While the transition between networks is currently a heavyweight operation we believe that developments in network interface technology will soon enable mobile computers to dynamically select their network service based on cost and performance requirements. Such flexibility, coupled with the ....
.... In the case of dial up network services, traffic can be scheduled using batching techniques to reduce the latency and cost of connection establishment (furthermore, in a pay per unit time system, additional data and meta data can be scheduled during idle periods up until the next charge boundary) Davies,96] Finally, in systems where bandwidth is extremely limited (typically those using wide area wireless communications) it may be necessary to reorder data according to some notion of priority, urgency or deadline [Joseph,96] In the LittleWork project for instance, the SLIP daemon was modified to ....
Davies, N. "The Impact of Mobility on Distributed Systems Platforms." Proc. International Conference on Distributed Platforms, Dresden, February 27March 1. Editor: A. Schill, C. Mittasch and O. Spaniol, Chapman and Hill, Pages 1825.
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