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Real-time Awareness and Fast Reconfiguration Capabilities for Agile Optical Networks.

紀錄類型:	書目-電子資源 : Monograph/item
書名/作者:	Real-time Awareness and Fast Reconfiguration Capabilities for Agile Optical Networks.
作者:	Ahsan, Atiyah Sayyidah.
出版者:	Ann Arbor : : ProQuest Dissertations & Theses, , 2015
面頁冊數:	109 p.
附註:	Source: Dissertation Abstracts International, Volume: 77-02(E), Section: B.
Contained By:	Dissertation Abstracts International77-02B(E).
標題:	Electrical engineering.
標題:	Engineering.
ISBN:	9781339165257
摘要、提要註:	Ever-growing demand for speed and bandwidth coupled with increasing energy consumption in current networks are driving the need for intelligent, next-generation networking architectures that can overcome fundamental spectral and energy limitations. Metro-only internet traffic in particular is experiencing unprecedented growth rates and increasing twice as fast as long-haul traffic. The current quasi-static peak capacity provisioned network is ill-equipped to support this rise of unpredictable, high bandwidth but short-duration traffic flows.

Real-time Awareness and Fast Reconfiguration Capabilities for Agile Optical Networks.
Ahsan, Atiyah Sayyidah.

Real-time Awareness and Fast Reconfiguration Capabilities for Agile Optical Networks. - Ann Arbor : ProQuest Dissertations & Theses, 2015 - 109 p.

Source: Dissertation Abstracts International, Volume: 77-02(E), Section: B.

Thesis (Ph.D.)--Columbia University, 2015.

Ever-growing demand for speed and bandwidth coupled with increasing energy consumption in current networks are driving the need for intelligent, next-generation networking architectures that can overcome fundamental spectral and energy limitations. Metro-only internet traffic in particular is experiencing unprecedented growth rates and increasing twice as fast as long-haul traffic. The current quasi-static peak capacity provisioned network is ill-equipped to support this rise of unpredictable, high bandwidth but short-duration traffic flows.

ISBN: 9781339165257Subjects--Topical Terms:

183930
Electrical engineering.

Real-time Awareness and Fast Reconfiguration Capabilities for Agile Optical Networks.
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300 $a 109 p.
500 $a Source: Dissertation Abstracts International, Volume: 77-02(E), Section: B.
500 $a Adviser: Keren Bergman.
502 $a Thesis (Ph.D.)--Columbia University, 2015.
520 $a Ever-growing demand for speed and bandwidth coupled with increasing energy consumption in current networks are driving the need for intelligent, next-generation networking architectures that can overcome fundamental spectral and energy limitations. Metro-only internet traffic in particular is experiencing unprecedented growth rates and increasing twice as fast as long-haul traffic. The current quasi-static peak capacity provisioned network is ill-equipped to support this rise of unpredictable, high bandwidth but short-duration traffic flows.
520 $a A promising solution to address the emerging networking challenges is agile optical networking. Agile optical networking leverages novel photonic devices and multi-layer switching capabilities along with network awareness and intelligence to allocate re- sources in accordance to changing traffic demands and network conditions. However, network agility requires changing the wavelength configuration in the optical layer in real-time to match the traffic demands. Rapidly changing the wavelength loading conditions in optical amplifiers result in debilitating power fluctuations that propagate through the network and can lead to network instability, a problem that is avoided in current networks by using long reconfiguration times encompassing many small adjustments.
520 $a An agile optical network, once successfully implemented, will be characterized by unpredictable transmission impairments. Power levels along any path in an agile network is constantly fluctuating due to the continuously changing wavelength configuration; consequently, power dependent transmission impairments are also constantly fluctuating. Real-time knowledge of the state of the physical layer is thus critical for managing signal quality and reliability in an agile optical network, requiring the development of cost-effective, energy-efficient monitoring solutions that can support advanced modulation formats..
520 $a This dissertation focuses on developing solutions for the two key requirements for a stable agile optical network. Techniques that allow wavelength reconguration on the order of seconds while maintaining stable network operation and minimal data loss are presented. Functionality of an existing advanced optical performance monitor is extended to include autonomous monitoring of both single and multiple channel systems, so that it can be used in agile optical network for real-time introspection of the physical layer.
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