نتایج جستجو برای: optical packet switch
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Abstract-In this paper we introduce two architectures for optical packet switches. One is a bufferless switch employing shared Tunable Wavelength Converters (TWCs), and the other is a packet switch with Partially Shared Buffering (PSB). They were proposed for solving problems of contention resolution. The bufferless optical packet switch employing shared TWCs allows a saving in terms of employe...
Watt three-stage Q-band MESFET monolithic power amplifier'. Fig. 1 Packerpipping scheme for packet synchronisation Within this frame, however, the packet may Hoat. If such traffic is presented to an all-optical packet switch with slot size equal to the frame size (i.e. with twice as long slot size), the switch preserves the 'one packet per frame' rule. However, if this traffic coming from the o...
Scalability of packet switched cross-connects that utilize all-optical signal processing is a crucial issue that eventually determines the future role of photonic signal processing in optical networks. After reviewing several labeling techniques, we discuss label stacking and label swapping techniques and their benefits for scalable optical packet switched nodes. All-optical devices for impleme...
A detailed traffic analysis of optical packet switch design is performed. Special consideration is given to the complexity of the optical buffering and the overall switch block structure is considered in general. Wavelength converters are shown to improve the traffic performance of the switch blocks for both random and bursty traffic. Furthermore, the traffic performance of switch blocks with a...
Performance evaluation of an optically interconnected “scheduling” switch network for Pareto traffic
A performance analysis of an optically interconnected packet-scheduling switch network is presented. The scheduling switch uses a branch of feed-forward delays for each input port, interconnected with elementary optical switches to resolve contention. The scheduling switch is guaranteed to be lossless under a certain smoothness property condition. We investigate the packet-loss performance of t...
We experimentally demonstrate a 160-Gb/s Ethernet 4 packet switch using an 8.6-mm-long silicon nanowire for optical 5 burst switching, based on cross phase modulation in silicon. One 6 of the four packets at the bit rate of 160 Gb/s is switched by an 7 optical control signal using a silicon based 1 × 1 all-optical packet 8 switch. Error free performance (BER < 1E-9) is achieved for the 9 switch...
We describe the practical and fundamental limitations of the more prominent optical buffering approaches. The architectural implementation and needs of an optical packet switch are used as a foundation for the study. We also present initial results for a buffered, all-optical, 40 Gb/s packet switch. c © 2007 Elsevier B.V. All rights reserved.
Recent advances in generalized multiprotocol label switching (GMPLS) [1,12] and the extensive study and understanding of packet-over-optical network architecture, has made it possible for a single integrated control plane to manage the resources of the packet network and underlying optical transport network in an unified manner. This opens up the possibility for coordinated actions across the t...
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