Novel SDN multi-domain architecture

Helebrandt, Pavol; Kotuliak, Ivan

doi:10.1109/iceta.2014.7107574

Cited by 12 publications

(5 citation statements)

References 4 publications

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“…In the use case of [7], Layer 3 routing between different SDN domains is achieved. [8] is another approach that is very similar to [7]. While [7] focuses on inter-domain communications in the same administrative domain, [8] aims to establish communication between different administrative domains by having a vendor independent communication protocol.…”

Section: Literature Surveymentioning

confidence: 99%

“…[8] is another approach that is very similar to [7]. While [7] focuses on inter-domain communications in the same administrative domain, [8] aims to establish communication between different administrative domains by having a vendor independent communication protocol. Both the use cases of [8] are implemented on a Internet Service Provider environment where routes are exchanged by the SDN controllers and paths are built by the northbound applications.…”

Section: Literature Surveymentioning

confidence: 99%

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Software-defined inter-domain switching

Selvakumaran¹

2021

Preprint

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Software Defined Networking (SDN) technology has garnered much attention in the field of networking. Even though there have been several SDN based data centre (domain) implementations, there is a need to inter-connect multiple SDN domains. In this thesis we will focus on enabling inter-domain layer 2 switching. We propose an approach wherein a central controller is responsible for inter-domain switching while the domain controllers are responsible for intra-domain switching in their respective domains. To achieve this, the central controller initially communicates with the domain controllers to gather the overall topology of the network. From the overall topology, the central controller can derive the domain-level topology, compute the domain-level spanning tree and install the tree on the topology. In addition, the central controller also computes the inter-domain shortest path between any pair of domains. The shortest path information are then pushed to the domain controllers in order to setup the network-wide shortest path. We demonstrate the viability of the proposed approach by implementing it in OpenDayLight, a popular SDN platform. To further demonstrate the flexibility and openness of the approach, we have also successfully implemented a user case to achieve inter-domain load balancing.

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Section: Literature Surveymentioning

confidence: 99%

Section: Literature Surveymentioning

confidence: 99%

Software-defined inter-domain switching

Selvakumaran¹

2021

Preprint

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“…To facilitate the deployment of SDN in large scale and to do traffic management by the coordination Helebrandt et al [131] proposed an architecture for communication among multiple domains using an interface, which is referred as INT module. The protocol is divided in three sub-parts; 1) Controller Interconnection Session Control, 2) Capabilities Information Exchange, and 3) Path Setup.…”

Section: A Interaction Between Sdn Domains (Eastbound Apis)mentioning

confidence: 99%

A comprehensive survey of interface protocols for software defined networks

Latif

Sharif

et al. 2020

Journal of Network and Computer Applications

108

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Software Defined Networks has seen tremendous growth and deployment in different types of networks. Compared to traditional networks it decouples the control logic from network layer devices, and centralizes it for efficient traffic forwarding and flow management across the domain. This multilayered architecture has data forwarding devices at the bottom in data plane, which are programmed by controllers in the control plane. The high level application or management plane interacts with control layer to program the whole network and enforce different policies. The interaction among these layers is done through interfaces which work as communication/programming protocols. In this survey, we present a comprehensive study of such interfaces available for southbound, northbound, and east/westbound communication. We have classified each type into different categories based on their properties and capabilities. Virtualization of networks devices is a common practice in Software Defined Networks. This paper also analyzes interface solution which work with different virtualization schemes. In addition, the paper highlights a number of short term and long term research challenges and open issues related to SDN interfaces.

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“…Lin et al proposed a west-east bridge for SDN inter-domain communication [2,3]. Helebrandt et al designed a new architecture that provides inter-domain communication based on a vendor neutral communication protocol [4]. These works focus on designing complex interfaces to achieve the goal of inter-domain communications.…”

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confidence: 99%

Management System of Heterogeneous Software-Defined Networking Controllers

2016

SpringerBriefs in Electrical and Computer Engineering

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In the previous chapter, we studied the controller placement problem to improve the performance of the distributed control plane. When placing multiple controllers into their proper positions, the management of controllers is an important problem. In the distributed control plane, each software-defined networking (SDN) controller has its own control domain. To realize entire network control and management, these controllers must communicate with each other. However, there are no standard communication interfaces between controllers in the standard architecture of SDN. In particular, when there are heterogeneous controllers in a large-scale network, it is very difficult to coordinate these controllers to improve control plane performance. Moreover, heterogeneous controllers provide entirely different application programming interfaces (APIs) for users, leading to difficulties in management and application development. To address this problem, we propose a controller management system that consists of a heterogeneous controller management (HCM) module, domain relationships management (DRM) module, database module, and front-end module. This system can generate a global network view by collecting network information from a group of controllers while providing unified APIs for application developers that shield the differences among heterogeneous controllers.To deploy software-defined networking (SDN) in distributed datacenters, it is necessary to build a logically centralized, physically distributed control plane. The entire network is divided into several domains. Each controller covers one domain to control switches in that domain. To realize centralized control of the entire network, an information exchange should be implemented among different domains.In existing work, most SDN controllers do not provide the communication API. To address this issue, the Internet engineering task force (IETF) developed a protocol SDN to provide an interface for information exchange between SDN controllers [1]. Lin et al. proposed a west-east bridge for SDN inter-domain communication [2,3]. Helebrandt et al. designed a new architecture that provides inter-domain communication based on a vendor neutral communication protocol [4]. These works focus on designing complex interfaces to achieve the goal of inter-domain communications. To reduce the complexity in interface design, a new distributed controller named the Open Network Operating System (ONOS) was

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Novel SDN multi-domain architecture

Cited by 12 publications

References 4 publications

Software-defined inter-domain switching

Software-defined inter-domain switching

A comprehensive survey of interface protocols for software defined networks

Management System of Heterogeneous Software-Defined Networking Controllers

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