The design of a generalised approach to the programming of systems of systems

Coulson, Geoff; Blair, Gordon S.; Elkhatib, Yehia; Mauthe, Andreas

doi:10.1109/wowmom.2015.7158188

Cited by 8 publications

(5 citation statements)

References 17 publications

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“…Coulson et al [10] proposed a programming method to facilitate the composition of self-contained systems without relying on their functionality. These systems, such as wireless sensor networks, interact and compose opportunistically, allowing them to create new integrations with potential partner systems.…”

Section: Prior Work and Requisite Backgroundmentioning

confidence: 99%

Maat

Lindquist

Helal

Khaled

et al. 2019

Proc. ACM Interact. Mob. Wearable Ubiquitous Technol.

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As the Internet of Things (IoT) proliferates, the potential for its opportunistic interaction with traditional mobile apps becomes apparent. We argue that to fully take advantage of this potential, mobile apps must become things themselves, and interact in a smart space like their hardware counterparts. We present an extension to our Atlas thing architecture on smartphones, allowing mobile apps to behave as things and provide powerful services and functionalities. To this end, we also consider the role of the mobile app developer, and introduce actionable keywords (AKWs)-a dynamically programmable description-to enable potential thing to thing interactions. The AKWs empower the mobile app to dynamically react to services provided by other things, without being known a priori by the original app developer. In this paper, we present the mobile-apps-as-things (MAAT) concept along with its AKW concept and programming construct. For MAAT to be adopted by developers, changes to the existing development environments (IDE) should remain minimal to stay acceptable and practically usable, thus we also propose an IDE plugin to simplify the addition of this dynamic behavior. We present details of MAAT, along with the implementation of the IDE plugin, and give a detailed benchmarking evaluation to assess the responsiveness of our implementation to impromptu interactions and dynamic app behavioral changes. We also investigate another study, targeting Android developers, which evaluates the acceptability and usability of the MAAT IDE plugin.At the same time, the opportunistic dynamic development of domain-related applications and scenarios should not only be based on the services offered by the things but also on the relationships that could logically and functionally tie these services together. The social networking concepts started to converge with IoT technologies forming a new paradigm named Social Internet of Things (SIoT) [6,7]. SIoT is about creating a social network of things through a set of social relationships and interactions. The recently proposed ideas on social IoT [11] are to logically link the things according to their identification attributes (e.g., things from same vendor), not on the services offered by these things. However, the exploitation of service-level relationships in the context of social IoT adds an effective programming perspective to such a new evolving paradigm. The inter-thing relationships programming framework [17,18] broadens the social IoT thing-level relationships and utilizes a set of concrete relationships between the offered services to empower a much wider class of meaningful IoT applications.On the other hand, the typical models of the things in smart space are things with sensors that sense and collect environment parameters and things with actuators that perform actions and change the state of the environment. However, smart spaces are not only full of hardware models of things that offer hardware-based services, but also software models [25]. A software model-a mobile app-is a n...

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Section: Prior Work and Requisite Backgroundmentioning

confidence: 99%

Maat

Lindquist

Helal

Khaled

et al. 2019

Proc. ACM Interact. Mob. Wearable Ubiquitous Technol.

View full text Add to dashboard Cite

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“…This is though only at the vision stage. The Dionasys project, featured in Section V below, have introduced a generalised approach to the programming of systems of systems, based around the abstraction of holons (with holons meeting in real-time and having to dynamically reason about properties such as interoperability) [71]. Dionescu et al [72] have also experimented with such a holonic abstraction for the goal-oriented self-management of complex systems.…”

Section: Domain-specific Solutionsmentioning

confidence: 99%

Complex Distributed Systems: The Need for Fresh Perspectives

Blair

2018

2018 IEEE 38th International Conference on Distributed Computing Systems (ICDCS)

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Distributed systems are at a watershed due to their increasing complexity. The heart of the problem is the extreme level of heterogeneity exhibited by contemporary distributed systems coupled with the need to be dynamic and responsive to change. In effect, we have moved from distributed systems to systems of systems. Following on from this, middleware is also at a watershed. The traditional view of middleware is no longer valid (i.e. as a layer of abstraction, masking the complexity of the underlying distributed system and providing a high-level programming model). In practice, middleware is often bypassed with complex systems constructed in a rather ad hoc manner as a mash-up of a variety of technologies. The end result is that middleware is no longer sure of its form or purpose and this lack of a viable approach is a huge barrier to the emergence of areas such as smart cities and emergency response systems. This paper argues that there is a need to fundamentally rethink the middleware landscape related to complex distributed systems. The core contribution of the paper is a set of fresh perspectives, which lead us in turn to novel principles and patterns for middleware and subsequently to new styles of platform. These perspectives include a move to emergent middleware, seeking flexible meta-structures for distributed systems, and a step away from generic to domain-specific technologies. A number of case studies are also presented to demonstrate what this might mean for future distributed systems.

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“…In such a context we might signal an intent to build a new overlay structure from a set of suitable nodes (e.g. [6,2]). This would work in a fashion similar to ARP; a node would seek other nodes that fit certain criteria on the service(s) they operate, location, communication mode, QoS metrics, etc.…”

Section: Use Case #2: Discoverymentioning

confidence: 99%

Charting an intent driven network

Elkhatib

Coulson

Tyson

2017

2017 13th International Conference on Network and Service Management (CNSM)

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The current strong divide between applications and the network control plane is desirable for many reasons; but a downside is that the network is kept in the dark regarding the ultimate purposes and intentions of applications and, as a result, is unable to optimize for these. An alternative approach, explored in this paper, is for applications to declare to the network their abstract intents and assumptions; e.g. "this is a Tweet", or "this application will run within a local domain". Such an enriched semantic has the potential to enable the network better to fulfill application intent, while also helping optimize network resource usage across applications. We refer to this approach as intent driven networking (IDN), and we sketch an incrementally-deployable design to serve as a stepping stone towards a practical realization of the IDN concept within today's Internet.

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The design of a generalised approach to the programming of systems of systems

Cited by 8 publications

References 17 publications

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Complex Distributed Systems: The Need for Fresh Perspectives

Charting an intent driven network

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