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A temporary resource reservation mechanism can enhance the performance of a stateless PCE in situations when the TED might not be up-to-date. This paper examines the benefits of such a mechanism by means of simulation.
Future metropolitan and access networks are expected to comprise both heterogeneous optical and broadband wireless technologies. In this paper, we envision and then investigate the architecture of one of these scenarios by assuming the WMN technology as a wireless access network and the PON technology to serve in the backhaul. In such a system, many of QoS issues need to be highlighted. A cell planning...
Multidomain traffic engineering (TE) has the potential not only of guaranteeing the quality of service (QoS) to connections spanning multiple domains but also of effectively utilizing intradomain resources. The hierarchical Optical Internetworking Forum (OIF) External Network-to-Network Interface (E-NNI) control plane platform has emerged as a promising candidate aiming at guaranteeing multidomain...
The Data Vortex switch architecture has been proposed as a scalable low-latency all-optical path interconnection fabric for packet switches. To facilitate optical implementation, the Data Vortex architecture employs a cylinder hierarchical topology, synchronous timing and deflection routing that act to reduce the necessary routing logic operations and buffering. The angle parameter of the Data Vortex...
The capability to compute end-to-end paths across multiple optical domains, or inter-domain path computation, is an essential requirement in the continued evolution of today's optical transport networks. The key technologies and network conditions required for end-to-end multi- domain services exist, but, they are not ideal and will require further development to meet network operator requirements...
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