Controluser plane separation cups in mobile networks. The split ran architecture consists of the two userplane network functions. In essence, a controller assumes the network defining role played by routers and switches in traditional networks. The most recent evolution of ran architecture divides the user plane from the control plane into. Sdn can achieve network function virtualization much more efficiently than conventional architectures by splitting the data and control planes. It is proposed as an extension of sdn paradigm to incorporate mobile. Asic, asip, or dsp and associated control software. Control user plane separation cups 1 in mobile networks refer to the complete separation between control plane functions which take care of the user connection management, as well as defining qos policies, performing user authentication, etc. In this course, you will learn about software defined networking and how it is changing the way communications networks are managed, maintained, and secured. The same have been depicted in the following figure3 and figure4.
Signalling protocol responsible for the control of the node b by the rnc is. Rc airplane training methods your options for learning to fly rc. For the purposes of the present document, the terms and definitions. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. May 15, 20 control protocols are used to communicate between the control plane and the data plane. A mix of sdn, nfv, and endtoend network slicing for the ran and edge transport and core networks is a much. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. For the start network that we just saw, you need n plus 1 connections to make the system work. Hence, control plane handles network device generatedreceived packets. Software defined networking sdn introduction youtube. The control plane main job is to finetune the forwarding tables that reside in the forwarding plane, based on the network topology or external service requests. The signalling transport on s1cp will be based on sctp. A further possibility is to exacerbate the control user plane functions split by introducing a network controller nc in the middle.
The proposed control architecture uses a predetermined common coordination channel for spectrum etiquette, network establishment and adaptation to changing interference environments. The control plane is that part of a network which carries information necessary to establish and control the network. A softwaredefined networking protocol for 5g multi. Software defined network sdn is a new architecture for network in which the control plane is separated from data plane and implemented centrally. Softwaredefined networking and network programmability. The control plane is in charge of creating a flow graph according to the configuration and then managing the processing blocks.
Softwaredefined networking sdn is an emerging architecture that is dynamic, manageable, costeffective, and adaptable, making it ideal for the highbandwidth, dynamic nature of todays applications. The s1 interface includes the s1cp control and s1up part user plane. The focus of this work is on design and evaluation. Sdn is meant to address the fact that the static architecture of traditional networks is decentralized and complex while. Last week when verizon announced that it was building additional control plane technology into its network as part of a new strategic initiative, it caused quite a reaction. Control plane functions, such as participating in routing protocols, run in the architectural control element.
This can completely abstract the user plane from the control plane, with the latter one only providing high level information on policies for user traffic, whereas the network controller selects, for instance. In the near term, sdn advocates call for the control of physical and dataplane layers through software running on layers 3 through 5, software that abstracts the details of the switches directly touching packets. Ppt radio control planes powerpoint presentation free to. The router is used at the cell site edge as a part of a 2g, 3g, or 4g radio access network ran. Implementing adaptive modulation in a softwaredefined cognitive radio an sdr is a flexible radio where programmable hardware is controlled by software. An ns2 simulation model of the cognitive radio network with global control has been. December 18, 2019 bupt june 16, 2019 an unified control plane architecture for the convergency of radio and optical networks draftzhangccamp radio optical control 00 abstract this memo specifies an unified radio and optical control architecture based on software defined networking sdn. Anytime a service provider with a global network that spans more than 500,000 route miles talks about a new initiative, people tend to take notice. Simplifies core network architecture to implement ondemand configuration of network functions through control and user plane separation, componentbased. Radio link control an overview sciencedirect topics.
The network controller which performs radio resource management, mobility management and data encryption connects to the circuitswitched core network and the packetswitched core network, depending on the type of ran. Cloud control plane simplifies network slicing for edge transport. Radio hardware virtualization for softwaredefined wireless networks. The control plane protocols are, among other things, responsible for connection setup, mobility, and security. Cloud control plane simplifies network slicing for edge. Rather than having a single entity controlling radio access networks which limits sharing as standardized by 3gpp. Jan 17, 2018 this separation of the control plane and data plane will be an essential aspect of the flexible 5g ran, as it aligns with sdn and network functions virtualization techniques such as service. Software defined networking sdn is an emerging architecture that is dynamic, manageable, costeffective, and adaptable, making it ideal for the highbandwidth, dynamic nature of todays applications. The management plane is another vital component but also widely excepted as user to hardware interaction. With over stations installed, radio traffic is handtailored to meet the needs of todays small market broadcasters. Sdns centralize the network control by decoupling the forward process of the networkthe data planefrom the routing part of the networkthe control plane enabling centralized network programming. This had become an achilles heel for the growth of the network.
Sdn security attack vectors and sdn hardening network world. It was first introduced by 3gpps release 14 at packet data gateway level. Eugene ngx, hemant gogineniy, hui zhangy, zheng caix ycarnegie mellon university zmicrosoft research xrice university abstract we present tesseract, an experimental system that enables the direct control of a computer network that is under a single administrative domain. Global control plane architecture for cognitive radio networks. Control plane gtp header length is of a multiple of four octets as shown in the. The network controller performs radio resource management, mobility management, and data encryption. In addition, a suitably designed cognitive radio with a softwaredefined. Openflow is a popular open source control protocol sdn allows for easy network traffic shaping based on.
Oran sc architecture follows oran alliance defined architecture. These three elements the data plane, the control plane and the management plane can be thought of as different areas of operations. User plane includes all the functionality that participates directly in the transfer of the users data payload. The controlplane protocols are, among other things, responsible for connection setup, mobility, and security. In essence, a controller assumes the networkdefining role played by routers and switches in traditional networks. Cisco asr 901 mobile wireless router is a cellsite access platform specifically designed to aggregate and transport mixedgeneration radio access network ran traffic. We propose softran, a fundamental rethink of the radio access layer. May 14, 2012 in fact, the verizon announcement spurred more than one person to ask us, what exactly is an optical control plane. Software defined mobile networking sdmn is an approach to the design of mobile networks where all protocolspecific features are implemented in software, maximizing the use of generic and commodity hardware and software in both the core network and radio access network. Uses cloudran to reconstruct radio access networks ran to provide massive connections of multiple standards and implement ondemand deployment of ran functions required by 5g.
In the near term, sdn advocates call for the control of physical and data plane layers through software running on layers 3 through 5, software that abstracts the details of the switches directly touching packets. Oran architecture overview oran master documentation. Internetdraft an radio and optical control plane june 2019 noth bound interface nbi. References to the control plane are often included in diagrams to give a visual. Sep 27, 2012 the control plane, data plane and forwarding plane in networks.
Softran is a software defined centralized control plane for radio access networks that abstracts all base stations in a local geographical area as a virtual bigbase station comprised of a central controller and radio elements individual physical base stations. And with this innovation they just could not hire operators fast enough. Ruggedized 3u openvpx card with full victorymora interfaces, 12 core xeon processor d with up to 32 gbyte ddr4, 40 and 10 gigabit ethernet data planes. Due to the fragmented nature of controlplane in multirat radio access network ran, a unified global view of network resources is. The control plane makes the decision about how traffic should be prioritized and secured and where it should be switched ie its means than its for configuration and management and the data plane decides where the packets arriving destinationforwarding. Traditionally, network architectures within corporate and government networks use network devices that combine control plane and data plane functions in a single device, typically a router or switch. A control plane user plane split to support the software defined networking principle and a radio protocol stack layer based split to allow a flexible placement of processing functions between a central and. In the oran architecture, the radio side includes nearrt ric, ocucp, ocuup, odu, and oru.
It is part of the theoretical framework used to understand the flow of information packets between network interfaces. Security in 5g ran and core deploymentwhitepaper ericsson. The control information is communicated with the mobile station via mac. Control protocols are used to communicate between the control plane and the data plane. Controlplane protocol interactions in cellular networks controlplane protocol interactions in cellular networks guanhua tu1. And the next big step from manual control plane to an automated control plane. By separating the control and data plane, network equipment can be. Oct 26, 2018 the network controller which performs radio resource management, mobility management and data encryption connects to the circuitswitched core network and the packetswitched core network, depending on the type of ran. In network routing, the control plane is the part of the router architecture that is concerned with drawing the network topology, or the information in a possibly augmented routing table that defines what to do with incoming packets. Motivation and goals the radio access network ran architecture towards mobile 5g and beyond is undergoing a fundamental evolution, which brings optics into the radio world. The control plane is the part of a network that carries signaling traffic and is responsible for routing. Softwaredefined networking sdn technology is an to network management that enables dynamic, programmatically efficient network configuration in order to improve network performance and monitoring making it more like cloud computing than traditional network management. The management side includes service management and orchestration framework that contains a nonrtric function. The control plane includes additionally the radio resource control layer rrc which is responsible for configuring the lower layers.
Apr 17, 2019 sdns centralize the network control by decoupling the forward process of the networkthe data planefrom the routing part of the networkthe control plane enabling centralized network programming. Iub, iu and iur protocols all carry both user data and signalling that is, control plane. The control plane is the largest and most challenging software component in a. In a 5g and 4g network, nas nonaccess stratum signaling is encrypted between the device and the core network. The control plane handles radiospecific functionality which depends on the state of the user equipment which includes two states.
The physical separation of the network control plane from the forwarding plane, and where a control plane controls several devices. Management plane responsible for monitoring, configuring, and maintaining network devices, e. The llmec platform is made up of two main components. Posted in drone hacks tagged flight, fpv, radio control, radio control plane. Introduction to sdn software defined network sdn and. Moreover, both the control plane radio resource control, signaling between the device and ran regarding radio configuration and the user plane are encrypted and integrity protected between the device and the gnb or a base. Control messages transmitted from the network to the devices can originate either from the mme, located in the core network, or from the radio resource control rrc, located in the enodeb.
In the last few decades, radio access networks rans have significantly evolved from. Softwaredefined networking sdn is an approach to networking that separates the control plane from the forwarding plane to support virtualization. In this regard, a twofold split of the processing in the radio access network is under discussion. In the control plane, the interface is more similar to radio access network application part ranap, with some simplifications and changes due to the different functional split and mobility within eps. Ppt radio control planes powerpoint presentation free. The radio protocol architecture for lte can be separated into control plane architecture and user plane architecture as shown below at user plane side, the application creates data packets that are processed by protocols such as tcp, udp and ip, while in the control plane, the radio resource control rrc protocol writes the signalling messages that are exchanged between the base station and.
Control packets originate from or are destined for a router. At its core, an intelligent optical control plane is software that controls all aspects of configuring connections between optical switches across a network. The split ran architecture consists of the two user plane network functions. It connects to the circuitswitched core network and the packetswitched core network, depending. Openflow is a popular open source control protocol sdn allows for. Learn software defined networking from the university of chicago. Cisco asr 901 series aggregation services router software.
The control plane, data plane and forwarding plane in networks is the heart core dna in todays networking hardware to move ip packets from a to z. Control plane includes functionality that does not touch the end users data streams. Going by this, categorizing software defined networking sdn as a new. The control plane, the data plane and the management plane are the three basic components of a telecommunications architecture. Each plane carries a different type of traffic and is conceptually and. The control plane stack additionally includes the radio resource control rrc and.
A control plane user plane split to support the software defined. Combine the industrys most affordable, intuitive, easytolearn and userfriendly traffic and billing system with powerful features and unmatched speed, and you get radiotraffic. Nfv complements sdn by decoupling the hardware from software functions creating even more flexibility. A plane, in a networking context, is one of three integral components of a telecommunications architecture. The control plane, data plane and forwarding plane in networks. Fronthaul is a new segment that leverages on the advantages of optical. The control plane is an element of a router or switch that determines how one individual device within a network interacts with its neighbors. A configuration mechanism, flexible enough to allow for an indeterminate number of algorithms, implementations, associated parameters and use cases.
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