Software Defined Survivable Optical Interconnect for data centers

Chandna, Sonali; Naas, Nabil; Mouftah, Hussein T.

doi:10.1016/j.osn.2018.10.001

Cited by 3 publications

(2 citation statements)

References 10 publications

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“…al. present a survivability solution in optical DC networks using Software Defined Networking (SDN) [27]. They illustrate the strength of these techniques and highlight that most future methods are likely to employ SDN.…”

Section: Physical and Data-centre Resiliencementioning

confidence: 99%

On Resilience in Cloud Computing

Welsh

Benkhelifa

2020

ACM Comput. Surv.

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Cloud infrastructures are highly favoured as a computing delivery model worldwide, creating a strong societal dependence. It is therefore vital to enhance their resilience, providing persistent service delivery under a variety of conditions. Cloud environments are highly complex and continuously evolving. Additionally, the plethora of use-cases ensures requirements for persistent service delivery vary. As a contribution to knowledge, this work surveys resilience techniques for cloud environments. We apply a novel perspective using a layered model of traditional and emerging cloud paradigms. Works are then classified according to the Resilinets model. For each layer, the most common techniques with limitations are derived including an actor’s strength in influencing resilience in the cloud with each technique. We conclude with some future challenges to the field of resilient cloud computing.

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Section: Physical and Data-centre Resiliencementioning

confidence: 99%

On Resilience in Cloud Computing

Welsh

Benkhelifa

2020

ACM Comput. Surv.

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“…[260], while NoC wavelength routing has been studied in [261]. Moreover, recent studies have explored the thermal characteristics of ONoCs [262], the interference characteristics in optical wireless NoCs [263], and the SDN control for optical interconnects [264].…”

Section: ) Optical Interconnectsmentioning

confidence: 99%

Hardware-Accelerated Platforms and Infrastructures for Network Functions: A Survey of Enabling Technologies and Research Studies

2020

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In order to facilitate flexible network service virtualization and migration, network functions (NFs) are increasingly executed by software modules as so-called "softwarized NFs" on General-Purpose Computing (GPC) platforms and infrastructures. GPC platforms are not specifically designed to efficiently execute NFs with their typically intense Input/Output (I/O) demands. Recently, numerous hardwarebased accelerations have been developed to augment GPC platforms and infrastructures, e.g., the central processing unit (CPU) and memory, to efficiently execute NFs. This article comprehensively surveys hardware-accelerated platforms and infrastructures for executing softwarized NFs. This survey covers both commercial products, which we consider to be enabling technologies, as well as relevant research studies. We have organized the survey into the main categories of enabling technologies and research studies on hardware accelerations for the CPU, the memory, and the interconnects (e.g., between CPU and memory), as well as custom and dedicated hardware accelerators (that are embedded on the platforms); furthermore, we survey hardware-accelerated infrastructures that connect GPC platforms to networks (e.g., smart network interface cards). We find that the CPU hardware accelerations have mainly focused on extended instruction sets and CPU clock adjustments, as well as cache coherency. Hardware accelerated interconnects have been developed for on-chip and chip-to-chip connections. Our comprehensive up-to-date survey identifies the main trade-offs and limitations of the existing hardware-accelerated platforms and infrastructures for NFs and outlines directions for future research.

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Joint optimization of primary and backup controller placement and availability link upgrade in SDN networks

Santos

Gomes

2021

Optical Switching and Networking

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Software Defined Survivable Optical Interconnect for data centers

Cited by 3 publications

References 10 publications

On Resilience in Cloud Computing

On Resilience in Cloud Computing

Hardware-Accelerated Platforms and Infrastructures for Network Functions: A Survey of Enabling Technologies and Research Studies

Joint optimization of primary and backup controller placement and availability link upgrade in SDN networks

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