Optical data center switches design and analysis

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Anjaney Nigam ◽  
Bharat Mishra ◽  
Prabhat Patel
Keyword(s):  
Optical Communication ◽  
Packet Loss ◽  
Data Center ◽  
High Speed ◽  
Data Centers ◽  
Optical Switch ◽  
Loss Probability ◽  
Optical Data ◽  
High Speed Data ◽  
Switch Design

Abstract Data centers are facing huge bottlenecks due to the emergence of high-speed data applications. To meet speed requirements, it is proposed to shift the current technologies toward optical communication-enabled data center (DC) devices. This paper discusses the recently proposed optical switch designs and proposes a novel switch design for optical DCs. The architectures proposed in the literature are compared in terms of notable parameters. Finally, proposed switch performance is measured in the network using Monte Carlo simulation and results are obtained in terms of packet loss probability, under a random traffic model while considering both nonperiodized and prioritized packets.

A Large-Capacity Optical Switch Design for High-Speed Optical Data Centers

2019 ◽  
Vol 0 (0) ◽  
Author(s):  
Utkarsh Shukla ◽  
Niraj Singhal ◽  
Rajiv Srivastava
Keyword(s):  
Wavelength Division Multiplexing ◽  
High Speed ◽  
Optical Switch ◽  
Optical Data ◽  
Wavelength Division ◽  
Wavelength Router ◽  
Advantages And Disadvantages ◽  
Fiber Technology ◽  
Fast Processing ◽  
Switch Design

AbstractDue to the emergence of high-speed applications, demand for more bandwidth has increased exponentially in last a few years. To serve each user for his demand very fast processing and propagation of data is desired. These two requirements of high-speed communication can be fulfilled using optical fiber technology. In the same view in past many optical switch designs have emerged with their respective advantages and disadvantages. This paper proposes a wavelength division multiplexing (WDM)-based switch incorporating arrayed waveguide grating (AWG) as wavelength router and fiber delay lines (FDL) to create optical buffer. Proposed switch design is compared with recent switch design and it is found that both in terms of BER and packet loss probability the performance of proposed design is much better in comparison to earlier designs.

Recirculating Buffer and Arrayed Waveguide Grating-Based Switch for Optical Data Centers

2018 ◽  
Vol 0 (0) ◽  
Author(s):  
Anjaney Nigam ◽  
Bharat Mishra ◽  
Prabhat Patel
Keyword(s):  
Packet Loss ◽  
Data Communication ◽  
Loss Probability ◽  
Optical Packet Switching ◽  
Optical Data ◽  
Mathematical Framework ◽  
Correct Operation ◽  
Packet Loss Probability ◽  
Network Layer ◽  
Switch Design

Abstract Recently, an explosive growth has been observed in data traffic, which restricts the speed of exiting data communication network. To solve such problem, fiber optical-based optical communication is preferred choice. In this paper, a switch design is proposed to tackle contention problem in Optical Packet Switching (OPS) and data center networks. The proposed switch is compared with recently proposed switch design and advantages of proposed design are presented. To show superiority of the proposed design over earlier one, mathematical modeling is presented and expressions for noise figures and Bit Error Rate (BER) are derived. Using the mathematical framework, switch analysis is done in terms of BER and packet loss probability, and it has been found that power required for correct operation of the switch is lesser in comparison to earlier one. The effect of recirculation count on packet loss probability is detailed. The network layer analysis in terms of packet loss probability is also done using Monte Carlo simulation, and relation between physical and network layer parameters is also discussed.

MP-CREDIT: Multi-path credit for high-speed data center transports

2021 ◽  
pp. 108061
Author(s):  
Shan Huang ◽  
Dezun Dong ◽  
Zejia Zhou ◽  
Xiangke Liao
Keyword(s):  
Data Center ◽  
High Speed ◽  
High Speed Data

Optical Waveguides Embedded in PCBs - A Real World Application of 3D Structures Written by TPA

2007 ◽  
Vol 1054 ◽  
Author(s):  
Ruth Houbertz ◽  
Herbert Wolter ◽  
Volker Schmidt ◽  
Ladislav Kuna ◽  
Valentin Satzinger ◽  
...  
Keyword(s):  
Optical Fibers ◽  
Optical Waveguides ◽  
High Speed ◽  
Printed Circuit Boards ◽  
Data Transfer ◽  
Laser Pulses ◽  
Photon Absorption ◽  
Optical Data ◽  
Direct Laser ◽  
High Speed Data

ABSTRACTThe integration of optical interconnects in printed circuit boards (PCB) is a rapidly growing field worldwide due to a continuously increasing need for high-speed data transfer. There are any concepts discussed, among which are the integration of optical fibers or the generation of waveguides by UV lithography, embossing, or direct laser writing. The devices presented so far require many different materials and process steps, but particularly also highly-sophisticated assembly steps in order to couple the optoelectronic elements to the generated waveguides. In order to overcome these restrictions, an innovative approach is presented which allows the embedding of optoelectronic components and the generation of optical waveguides in only one optical material. This material is an inorganic-organic hybrid polymer, in which the waveguides are processed by two-photon absorption (TPA) processes, initiated by ultra-short laser pulses. In particular, due to this integration and the possibility ofin situpositioning the optical waveguides with respect to the optoelectronic components by the TPA process, no complex packaging or assembly is necessary. Thus, the number of necessary processing steps is significantly reduced, which also contributes to the saving of resources such as energy or solvents. The material properties and the underlying processes will be discussed with respect to optical data transfer in PCBs.

Software Design for High-Speed Data Capture

2014 ◽  
Vol 536-537 ◽  
pp. 536-539
Author(s):  
Wei Feng Zhang
Keyword(s):  
Packet Loss ◽  
High Speed ◽  
Loss Rate ◽  
High Efficiency ◽  
Packet Loss Rate ◽  
Data Capture ◽  
Memory Pool ◽  
Capture Method ◽  
High Speed Data ◽  
Analysis System

10G Ethernet technology has been widely used in modern high speed communication system. As a result, program design for high-speed data capture on 10G Ethernet, as the first and important step in network monitor and analysis system, has become a challenging task. This paper proposed a high-speed data capture method based on WinCap and shared memory pool technology and has features of high speed, low packet loss rate, high efficiency and good portability. The system test and data analysis proved that the proposed method in this paper can effectively capture the data at speed of 6Gbps and stably keep the packet loss rate under 0.03%.

Design and Analysis of Alphabetical Slots of Patch Antenna for Mobile Optical Communication at 60 GHz

2019 ◽  
Vol 0 (0) ◽  
Author(s):  
Ghanendra Kumar ◽  
Chakresh Kumar
Keyword(s):  
Wireless Communication ◽  
Optical Communication ◽  
Patch Antenna ◽  
High Frequency ◽  
High Speed ◽  
Slot Antenna ◽  
60 Ghz ◽  
High Frequency Structure Simulator ◽  
High Speed Data ◽  
Insulating Properties

AbstractIn the last decade, huge development has been seen in the field of wireless communication. The performance depends on the shape and size of the antenna. The future aim of wireless communication is to provide data with high speed data range even in harsh geographical areas. Here aim is to design and compare the E and H slot, T-slot, O-slot and U-slot antenna. The designed patch antenna operates at a frequency of 60 GHz with maximum antenna gain and minimum radiation loss using high frequency structure simulator (HFSS). We will use Rogers RT/duroid 5880 as substrate due to its suitable mechanical and insulating properties. Resonant frequency used will be 60 GHz and height will be 1.6 mm, 1.57 mm, 1.6 mm and 0.508 mm for E and H slot, T-slot, O-slot and U-slot, respectively.

Thinking through silicon: Cables and servers as epistemic infrastructures

2020 ◽  
pp. 146144482097719
Author(s):  
Luke Munn
Keyword(s):  
Knowledge Production ◽  
Data Center ◽  
High Speed ◽  
Data Centers ◽  
Community Center ◽  
Use Case ◽  
Social Forms ◽  
Information Infrastructures ◽  
Industrial Estate ◽  
Undersea Cables

Data centers and undersea cables allow information to be transmitted, stored, and processed. Yet, more than passively housing knowledge, information infrastructures actively shape knowledge. Infrastructures facilitate a certain use case, privileging some forms of knowledge while ignoring others. And infrastructures are material investments by states or corporations at a particular site, solidifying their knowledge-production, while marginalizing alternatives. These conditions are exemplified by two sites in Tseung Kwan O, Hong Kong. The TKO Express is a private undersea cable that offers its clients high-speed connectivity between financial centers, supporting the “fast knowledge” of finance and trading, while ignoring slower or more social forms of intelligence. The TKOIE industrial estate allocated land to a data center rather than a community center, prioritizing the production of corporate, proprietary knowledge over local and communal knowledge. The article reworks the concept of epistemic infrastructures to stress how such facilities influence what can be known and what remains unknown.

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