2016 IEEE Conference on Network Function Virtualization and Software Defined Networks (NFV-SDN) 2016
DOI: 10.1109/nfv-sdn.2016.7919494
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Fault tolerant mechanisms for SDN controllers

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Cited by 35 publications
(13 citation statements)
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“…To achieve this, it is required to be able to send an automatic data request for immediate inquiries, including data integrity to inference in cloud storage to verify the integrity of a third party for security purposes [11][12][13], when an additional request should be sent out to all networks. We will implement and experiment to measure the network response time with accuracy in this case, as well as how accurately the proposed method can provide the best optimized data sampling at large scale using big data in the cloud server, which may be located in a centralized location, in the context of software defined network (SDN) infrastructure with fault tolerant mechanisms [14,15].…”
Section: Discussionmentioning
confidence: 99%
“…To achieve this, it is required to be able to send an automatic data request for immediate inquiries, including data integrity to inference in cloud storage to verify the integrity of a third party for security purposes [11][12][13], when an additional request should be sent out to all networks. We will implement and experiment to measure the network response time with accuracy in this case, as well as how accurately the proposed method can provide the best optimized data sampling at large scale using big data in the cloud server, which may be located in a centralized location, in the context of software defined network (SDN) infrastructure with fault tolerant mechanisms [14,15].…”
Section: Discussionmentioning
confidence: 99%
“…• Contact backup controllers: At this step, the network device will try to contact a backup controller (or controllers) based on a pre-planned configuration. However, the protocol itself does not provide the mechanisms to perform the hand-off between controllers; this process should be handled by the network devices themselves, which has proven to be a complex task [3]. • Enter Fail mode: If the device cannot reconnect to any backup controller, then the device will enter into either Fail secure mode or Fail standalone mode.…”
Section: A Sdn Controller Connection and Recovery Mechanismsmentioning
confidence: 99%
“…However, there are two major issues with SDN-based solutions, the first of which being scalability [2], and the second one being reliability of both the C/M-and D-Plane. In terms of reliability at the C/M-Plane, the SDN controller becomes a single-point-failure [3]. Although there have been significant advances in tackling scalability, such as the creation of distributed topologies with support to multiple controllers, there are still some open issues with the proper handling of Controller reliability [4].…”
Section: Introductionmentioning
confidence: 99%
“…In SDN networks, these problems could affect the network and might lead to several failures. In order to cope with these issues, controller redundancy [19,20] and path backup are required to be utilized. Controller placement and assignment are two major problems when it comes to controllers within an SDN domain [21].…”
Section: Sdn Control Plane Fault Tolerancementioning
confidence: 99%