The “clean slate” approach looks at designing networks and internets from scratch, with security built in, in contrast to the evolved Internet in place. The research presented here covers a range of research topics, and includes a survey of those topics. These works were published or presented in the first half of 2014.

• Sourlas, V.; Tassiulas, L., "Replication Management And Cache-Aware Routing In Information-Centric Networks," Network Operations and Management Symposium (NOMS), 2014 IEEE, pp.1,7, 5-9 May 2014. doi: 10.1109/NOMS.2014.6838282 Content distribution in the Internet places content providers in a dominant position, with delivery happening directly between two end-points, that is, from content providers to consumers. Information-Centrism has been proposed as a paradigm shift from the host-to-host Internet to a host-to-content one, or in other words from an end-to-end communication system to a native distribution network. This trend has attracted the attention of the research community, which has argued that content, instead of end-points, must be at the center stage of attention. Given this emergence of information-centric solutions, the relevant management needs in terms of performance have not been adequately addressed, yet they are absolutely essential for relevant network operations and crucial for the information-centric approaches to succeed. Performance management and traffic engineering approaches are also required to control routing, to configure the logic for replacement policies in caches and to control decisions where to cache, for instance. Therefore, there is an urgent need to manage information-centric resources and in fact to constitute their missing management and control plane which is essential for their success as clean-slate technologies. In this thesis we aim to provide solutions to crucial problems that remain, such as the management of information-centric approaches which has not yet been addressed, focusing on the key aspect of route and cache management.
  Keywords: Internet; telecommunication network routing ;telecommunication traffic; Internet; cache management; cache-aware routing; clean-slate technologies; content distribution; control plane; end-to-end communication system; host-to-host Internet ;information-centric approaches; information-centric networks; information-centric resources ;information-centric solutions; information-centrism; missing management; native distribution network; performance management; replication management; route management; traffic engineering approaches; Computer architecture; Network topology; Planning; Routing; Servers; Subscriptions; Transportation (ID#:14-2664)
  URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6838282&isnumber=6838210

• Visala, K.; Keating, A; Khan, R.H., "Models And Tools For The High-Level Simulation Of A Name-Based Interdomain Routing Architecture," Computer Communications Workshops (INFOCOM WKSHPS), 2014 IEEE Conference on , vol., no., pp.55,60, April 27 2014-May 2 2014. doi: 10.1109/INFCOMW.2014.6849168 The deployment and operation of global network architectures can exhibit complex, dynamic behavior and the comprehensive validation of their properties, without actually building and running the systems, can only be achieved with the help of simulations. Packet-level models are not feasible in the Internet scale, but we are still interested in the phenomena that emerge when the systems are run in their intended environment. We argue for the high-level simulation methodology and introduce a simulation environment based on aggregate models built on state-of-the-art datasets available while respecting invariants observed in measurements. The models developed are aimed at studying a clean slate name-based interdomain routing architecture and provide an abundance of parameters for sensitivity analysis and a modular design with a balanced level of detail in different aspects of the model. In addition to introducing several reusable models for traffic, topology, and deployment, we report our experiences in using the high-level simulation approach and potential pitfalls related to it.
  Keywords: Internet; telecommunication network routing; telecommunication network topology; telecommunication traffic; aggregate models; clean slate name-based interdomain routing architecture; complex-dynamic behavior; global network architecture deployment; global network architecture operation; high-level simulation methodology; modular design; packet-level models; reusable deployment model; reusable topology model; reusable traffic model; sensitivity analysis; Aggregates; Approximation methods; Internet; Network topology; Peer-to-peer computing; Routing; Topology (ID#:14-2665)
  URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6849168&isnumber=6849127

• Campista, M.E.M.; Rubinstein, M.G.; Moraes, IM.; Costa, L.H.M.K.; Duarte, O.C.M.B., "Challenges and Research Directions for the Future Internetworking," Communications Surveys & Tutorials, IEEE, vol.16, no.2, pp.1050,1079, Second Quarter 2014. doi: 10.1109/SURV.2013.100213.00143 We review the main challenges and survey promising techniques for network interconnection in the Internet of the future. To this end, we first discuss the shortcomings of the Internet's current model. Among them, many are consequence of unforeseen demands on the original Internet design such as: mobility, multihoming, multipath, and network scalability. These challenges have attracted significant research efforts in the latest years because of both their relevance and complexity. In this survey, for the sake of completeness, we cover several new protocols for network interconnection spanning both incremental deployments (evolutionary approach) and radical proposals to redesign the Internet from scratch (clean-slate approach). We focus on specific proposals for future internetworking such as: Loc/ID split, flat routing, network mobility, multipath and content-based routing, path programmability, and Internet scalability. Although there is no consensus on the future internetworking approach, requirements such as security, scalability, and incremental deployment are often considered.
  Keywords: {internetworking telecommunication network routing; Internet scalability; content-based routing; future Internetworking; incremental deployments; multipath routing; network interconnection spanning; network mobility; path programmability; radical proposals; IP networks; Internet; Mobile communication; Mobile computing; Routing; Routing protocols; Future Internet; internetworking; routing (ID#:14-2666)
  URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6644748&isnumber=6811383

• Qadir, J.; Hasan, O., "Applying Formal Methods to Networking: Theory, Techniques and Applications," Communications Surveys & Tutorials, IEEE, vol. PP, no.99, pp.1, 1, August 2014. doi: 10.1109/COMST.2014.2345792 Despite its great importance, modern network infrastructure is remarkable for the lack of rigor in its engineering. The Internet which began as a research experiment was never designed to handle the users and applications it hosts today. The lack of formalization of the Internet architecture meant limited abstractions and modularity, especially for the control and management planes, thus requiring for every new need a new protocol built from scratch. This led to an unwieldy ossified Internet architecture resistant to any attempts at formal verification, and an Internet culture where expediency and pragmatism are favored over formal correctness. Fortunately, recent work in the space of clean slate Internet design—especially, the software defined networking (SDN) paradigm—offers the Internet community another chance to develop the right kind of architecture and abstractions. This has also led to a great resurgence in interest of applying formal methods to specification, verification, and synthesis of networking protocols and applications. In this paper, we present a self-contained tutorial of the formidable amount of work that has been done in formal methods, and present a survey of its applications to networking.
  Keywords: Communities; Computers; Internet; Mathematics; Protocols; Software; Tutorials (ID#:14-2667)
  URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6873212&isnumber=5451756

• Mohamed, Abdelrahim; Onireti, Oluwakayode; Qi, Yinan; Imran, Ali; Imran, Muhammed; Tafazolli, Rahim, "Physical Layer Frame in Signalling-Data Separation Architecture: Overhead and Performance Evaluation," European Wireless 2014; 20th European Wireless Conference; Proceedings of, pp.1,6, 14-16 May 2014. Doi: (not provided) Conventional cellular systems are dimensioned according to a worst case scenario, and they are designed to ensure ubiquitous coverage with an always-present wireless channel irrespective of the spatial and temporal demand of service. A more energy conscious approach will require an adaptive system with a minimum amount of overhead that is available at all locations and all times but becomes functional only when needed. This approach suggests a new clean slate system architecture with a logical separation between the ability to establish availability of the network and the ability to provide functionality or service. Focusing on the physical layer frame of such an architecture, this paper discusses and formulates the overhead reduction that can be achieved in next generation cellular systems as compared with the Long Term Evolution (LTE). Considering channel estimation as a performance metric whilst conforming to time and frequency constraints of pilots spacing, we show that the overhead gain does not come at the expense of performance degradation.
  Keywords: (not provided) (ID#:14-2668)
  URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6843062&isnumber=6843048

Note:

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