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27
Hardware Abstraction Layer as an SDN-enabler for non- OpenFlow network equipment
"... Abstract-This paper describes an experimentally-tested approach towards programmability for legacy network elements in the software-defined networking architecture. As OpenFlow is a leading control-plane protocol enabling SDN in modern networks, yet not all equipment is compatible with this framewo ..."
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Abstract-This paper describes an experimentally-tested approach towards programmability for legacy network elements in the software-defined networking architecture. As OpenFlow is a leading control-plane protocol enabling SDN in modern networks, yet not all equipment is compatible
Design and Implementation of Dynamic load balancer on OpenFlow enabled SDNs
"... Abstract: -To cope with heavy loads due to new technologies such as cloud computing and data-centers' the networking of devices on internet became more complex. To deal with complex demands the networks have to be smarter and able to control and manage the devices better hence the interest in ..."
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Abstract: -To cope with heavy loads due to new technologies such as cloud computing and data-centers' the networking of devices on internet became more complex. To deal with complex demands the networks have to be smarter and able to control and manage the devices better hence the interest
Implementing an OpenFlow Switch on the NetFPGA platform
"... We describe the implementation of an OpenFlow Switch on the NetFPGA platform. OpenFlow is a way to deploy experimental or new protocols in networks that carry production traffic. An OpenFlow network consists of simple flow-based switches in the datapath, with a remote controller to manage several sw ..."
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Cited by 39 (0 self)
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switches. In practice, OpenFlow is most often added as a feature to an existing Ethernet switch, IPv4 router or wireless access point. An OpenFlow-enabled device has an internal flow-table and a standardized interface to add and remove flow entries remotely. Our implementation of OpenFlow on the Net
Management Patterns: SDN-Enabled Network Resilience Management
"... Abstract—Software-defined networking provides abstractions and a flexible architecture for the easy configuration of network devices, based on the decoupling of the data and control planes. This separation has the potential to considerably simplify the im-plementation of resilience functionality (e. ..."
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.g., traffic classification, anomaly detection, traffic shaping) in future networks. Although software-defined networking in general, and OpenFlow as its primary realisation, provide such abstractions, support is still needed for orchestrating a collection of OpenFlow-enabled ser-vices that must cooperate
Figure 1: Segregated nature of WANs, with network devices grouped in layers managed by their forwarding technology. Traffic Optimization in Multi-Layered WANs using SDN
"... Abstract — Wide area networks (WAN) forward traffic through a mix of packet and optical data planes, composed by a variety of devices from different vendors. Multiple forwarding technologies and encapsulation methods are used for each data plane (e.g. IP, MPLS, ATM, SONET, Wavelength Switching). Des ..."
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). Despite standards defined, the control planes of these devices are usually not interoperable, and different technologies are used to manage each forwarding segment independently (e.g. OpenFlow, TL-1, GMPLS). The result is lack of coordination between layers and inefficient resource usage. In this paper we
Open Flow: Experimenting On Your Network
"... Abstract — OpenFlow is an open standard that enables researchers to run experimental protocols in the campus networks we use every day. OpenFlow is added as a new feature to commercial Ethernet switches, routers and wireless access points – and provides a standardized hook to allow researchers to ru ..."
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Abstract — OpenFlow is an open standard that enables researchers to run experimental protocols in the campus networks we use every day. OpenFlow is added as a new feature to commercial Ethernet switches, routers and wireless access points – and provides a standardized hook to allow researchers
Openflow switching: Data plane performance
- in IEEE ICC
, 2010
"... Abstract—OpenFlow is an open standard that can be implemented in Ethernet switches, routers and wireless access points (AP). In the OpenFlow framework, packet forwarding (data plane) and routing decisions (control plane) run on different devices. OpenFlow switches are in charge of packet forwarding, ..."
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Cited by 12 (0 self)
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Abstract—OpenFlow is an open standard that can be implemented in Ethernet switches, routers and wireless access points (AP). In the OpenFlow framework, packet forwarding (data plane) and routing decisions (control plane) run on different devices. OpenFlow switches are in charge of packet forwarding
Domainflow: Practical flow management method using multiple flow tables in commodity switches
- In CoNEXT
, 2013
"... A scalable network with high bisection bandwidth and high availability requires efficient use of the multiple paths be-tween pairs of end hosts. OpenFlow is an innovative tech-nology and enables fine-grained, flow level control of Eth-ernet switching. However, the flow table structure defined by Ope ..."
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Cited by 2 (0 self)
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by OpenFlow is not hardware friendly and the scalability is limited by the switch device. OpenFlow is also not sufficient for fast multipath failover. To overcome these limitations, we propose DomainFlow in which the network is split into sections and exact matches are used where possible to en-able
Telekinesis: Controlling Legacy Switch Routing with OpenFlow in Hybrid Networks
"... Hybrid networks contain both legacy and programmable network switches and allow operators to reap the benefits of Software-defined networking (SDN) without upgrading the entire network. Previous research shows that adding SDN capabilities to switches at strate-gic places in a network and ensuring th ..."
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that each flow traverses at least one such switch is sufficient to achieve many SDN control paradigms, such as routing or access control. However, the control points are still limited to the SDN-enabled devices and operators cannot enforce fine-grained policies on the legacy paths between SDN switches. We
978-1-4799-0683-3/13/$31.00 ©2013 IEEE 1 Using Transparent WDM Metro Rings to Provide an Out-of-Band Control Network for OpenFlow in MAN
, 2013
"... OpenFlow is a protocol that enables networks to evolve and change flexibly, by giving a remote controller the capability of modifying the behavior of network devices. In an OpenFlow network, each device needs to maintain a dedicated and separated connection with a remote controller. All these connec ..."
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OpenFlow is a protocol that enables networks to evolve and change flexibly, by giving a remote controller the capability of modifying the behavior of network devices. In an OpenFlow network, each device needs to maintain a dedicated and separated connection with a remote controller. All
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