Título: | MODEL-DRIVEN RESOURCE MANAGEMENT: ADAPTABILITY AND INTEROPERABILITY ON END-TO-END QOS SUPPORT | |||||||
Autor: |
MARCELO FERREIRA MORENO |
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Colaborador(es): |
LUIZ FERNANDO GOMES SOARES - Orientador |
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Catalogação: | 22/OUT/2008 | Língua(s): | PORTUGUESE - BRAZIL |
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Tipo: | TEXT | Subtipo: | THESIS | |||||
Notas: |
[pt] Todos os dados constantes dos documentos são de inteira responsabilidade de seus autores. Os dados utilizados nas descrições dos documentos estão em conformidade com os sistemas da administração da PUC-Rio. [en] All data contained in the documents are the sole responsibility of the authors. The data used in the descriptions of the documents are in conformity with the systems of the administration of PUC-Rio. |
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Referência(s): |
[pt] https://www.maxwell.vrac.puc-rio.br/projetosEspeciais/ETDs/consultas/conteudo.php?strSecao=resultado&nrSeq=12390&idi=1 [en] https://www.maxwell.vrac.puc-rio.br/projetosEspeciais/ETDs/consultas/conteudo.php?strSecao=resultado&nrSeq=12390&idi=2 |
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DOI: | https://doi.org/10.17771/PUCRio.acad.12390 | |||||||
Resumo: | ||||||||
The evolution of codification techniques for continuous
media is making
distributed multimedia applications even more popular. This
kind of application
has performance requirements that must be met in an
end-to-end fashion, which
can be achieved only if quality-of-service (QoS)
provisioning mechanisms are
applied on each participant subsystem. These mechanisms try
to provide some
control on distributed resource sharing, but the
heterogeneity of resources and
platforms turns management into a very complex task.
Uniformization of resource
access plays a key role to solve the problem, as it
provides platform-independent
abstractions that can represent not only a given resource,
but also the distribution
of them. It is also important to consider the continuous
evolution of applications,
which creates a demand for adaptable mechanisms, and the
participation of
multiple actors, which creates a demand for cooperative
environments for
resource configuration and maintenance. This work proposes
a technique for
resource management with end-to-end QoS support called MDRM
(model-driven
resource management), inspired on MDSD´s (model-driven
software development) concepts and processes. Particularly,
MDRM includes the
specification of its own meta model, called Virtual
Resource Trees (VRT), which
provides the abstractions needed to address uniformization,
interoperability,
adaptability and cooperation requirements on building
resource management
models. Resource management models are instances of the
meta model specified
using a domain-specific language (DSL) called Pan. Pan is
able to express the
formalism of VRT as platform-independent code, providing an
easy to learn
notation for any actors possibly present on general
distributed environments.
MDRM also considers the design of modeling environments
composed of tools
that help on validation, transformation and deployment of
resource management
models. The constructs of the Pan language allow the same
tools to be used for
maintenance of models already instantiated, and thus
adaptation actions can be
promptly propagated to concerned platforms. A framework for
MDRM support on
general-purpose operating systems is also presented to
illustrate how the concepts
of the VRT meta model must be mirrored internally in target
platforms.
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