Network architecture is the design of a computer network. This document presents the lte network architecture as the first technical document of lte area. A scalable, commodity data center network architecture. Media in category network architecture the following 81 files are in this category, out of 81 total. In this network, the base terminal station btsnodebs aggregate the radio access network ran traffic and transport it over a mobile. Use pdf export for high quality prints and svg export for large sharp images or embed your diagrams anywhere with the creately viewer. A discussion of what the major carriers are doing in related areas. Network architecture refers to the way computers are logically organised on a network, and the role each takes. When i saw it, i was quite struck by the apparently endless variation on a common theme represented by the blocks. According to different service requirements, fiberoptic cable availability and network resource allocations, ran real time and nonreal time resources can be deployed on the site or on the access cloud side. You can edit this template and create your own diagram.
The mme and pcrf are the same as the ones in 3gpp standard architecture and. Several key differences in a lte network enable more flexibility in its architecture than in a 3g. Oct 20, 2016 a passive optical network pon is a pointtomultipoint, fiber to the premises fttp network architecture in which unpowered optical splitters are used to enable a single optical fiber to serve multiple premises in simple it uses passive optical splitters to serve many subscribers from one optical unit a pon consists of i. Design considerations for a 5g network architecture. Convolutional neural networks have gained a remark able success in computer vision.
The 5g architecture working group as part of the 5g ppp initiative is looking at capturing novel trends. The cloud radio access network, as an evolution in mobile networks, changes the traditional architecture of the network by moving the bbus to the central. Since 2014, kt has shaped its 5g vision, specifically strategies, network architecture, and. Before you can truly understand network security, you have to first understand network architecture. Network architecture diagram editable network diagram. Mobile network architecture 4g design issues grandmetric. Wireline access architecture access network dsl modemrg user 1 user 2 t a10asp a10nsp asp 1 nsp 2 u cpn nsp 1 access node l2 agg bras a10nsp l2ts r ip l2tp ipqos ran regional network. Introduce the concepts of internetworking and routing. Comparision of 3g wireless networks and 4g wireless. An overview of the 3g network lunds tekniska hogskola. Individuals can inject programs into the network, thereby tailoring the node processing to be user and applicationspecific.
The ran is used to process all the radiorelated functions, while the cn is used to process all voice calls and data connections within the umts system, and implements the function of external network switching and routing. Architecture is found at multiple levels within software systems. However, most usable net work architectures are handcrafted and. Optical network unit passive optical splitter pstn internet iptv onu onu pon is a kind of passive optical network featuring onetomultiplepoint architecture. The ultrasecure network architecture ultrasecure webbased network architecture. Eutran evolved universal terrestrial radio access network and epc evolved packet core. Network architecture and topology network application session transport network link end system network link node network link node network link node application session transport network link end system 3. Network slicing architecture is the key issue to change the network paradigm into a new unforeseen. Lte network architecture the figure below shows a sketch of the simplified lte architecture lte really corresponds to radionetwork.
It is important to remember that this architecture will not. An internet is a network of networks in which routers move data among a multiplicity of networks. According to what has been released so far, the companys big picture for 5g can be painted as follows. The home subscriber server hss component has been carried forward from umts and gsm and is a central database that contains information about all the network operators subscribers. Pon consists of optical line terminal olt, optical network unit onu and optical distribution networkodn. The release 99 core network contains the circuit switched domain and packet switched domain. A usim stores userspecific data very similar to 3g sim card. When a packet comes in one of the routers interfaces, the router reads the destination ip address and forwards the packet out the appropriate interface. Network slicing architecture for 5g network request pdf. Pon consists of optical line terminal olt, optical network unit onu and optical distribution network odn.
Creately diagrams can be exported and added to word, ppt powerpoint, excel, visio or any other document. Clark designs for an internet a note on the cover e picture i used on the cover is not strictly architecture. The original internet architecture, following the endtoend principle, intended the network to be a purely transparent carrier of packets. A nextgeneration core network architecture for mobile. The highlevel network architecture of lte is comprised of following three main components. Understand the difference between network protocols and services. Our forecast for the nextgeneration network architecture access, transport, and. Network architecture cinsf101 objectives of lecture show how network architecture can be understood using a layered approach. Architecture of the gsm system gsm is a plmn public land mobile network several providers setup mobile networks following the gsm standard within each country gsm system comprises 3 subsystems rss radio subsystem. View and share this diagram and more in your device or register via your computer to use this template. The access network, called umts terrestial radio network utran, consists of base stations and base stations controllers. Our characterization of the ngn access, speed, and flexibility.
The ohio state university raj jain 2 9 layering protocols of a layer perform a similar set of functions all alternatives for a row have the same interfaces choice of protocols at a layer is independent of those. Wcdma including the ran radio access network and the cn core network. Today, however, the various network stakeholders such as enterprises use middleboxes to improve security e. A router is a networking device that connects multiple networks. Eps is divided into two parts lte part which deals with the technology related to a radio access network eutran and epc part which deals with the. Below is an image of three types of network architecture. This chapter continues our discussion of background material by focusing on networkbased application architectures and describing how styles can be used to guide their architectural design.
A functional representation of 3g network architecture is shown in figure 1. Network functions within the 5gc control plane shall only use servicebased interfaces for their interactions. Logically, the cn is divided into the cs circuit switched domain and the ps. As a result of this work, weve identified a set of network management architectural elements. Architecture of gsm and umts networks an overview of a gsm network architecture is presented in figure 3. A network management architecture, part 1 netcraftsmen. Comparision of 3g wireless networks and 4g wireless networks. Mar 22, 2017 basic lte architecture video eutran, enodeb, epc, sgw, pgw, mme, hss, pdn by telcoma global duration. Network access process function packet transport function media resource processing function t1 t3 t20 t7 t4 ls function user profile db function registration function t6 t8 9 t t12 t 11 t15 t1618 s1 s4 s9 s10 s11 s12 s s17 s. Eps is divided into two parts lte part which deals with the technology related to a radio access network eutran and epc part which deals with the technology related to a core network. The data rates of up to 10 gbs will characterize 5g networks telecommunications standards that are envisioned to replace the current 4gimt standards. Below is a brief description of each of the components shown in the above architecture. The 5g architecture is defined as servicebased and the interaction between network functions is represented in two ways. Practical blockwise neural network architecture generation.
The changing face of the network why it is changing and how. Operators transform networks using a network architecture based on data center dc in which all functions and service applications are running on the cloud dc. A passive optical network pon is a pointtomultipoint, fiber to the premises fttp network architecture in which unpowered optical splitters are used to enable a single optical fiber to serve multiple premises in simple it uses passive optical splitters to serve many subscribers from one optical unit a pon consists of i. Umts network architectur e cn and an entities and procedures. This newly developed epc consists of the mme and pcrf for processing only control signals and the epc serving and pdn gateway espgw 10. Radio access network core network gsmgprsbased utran ue iu cs uu iur pstn bs rnc msc vlr gmsc hlr iub 3gpp rel. Russ has spoken at cisco live, interop, lacnog, and other global industry venues. A gsm network is composed of several functional entities, whose functions and interfaces are defined.
This chapter continues our discussion of background material by focusing on network based application architectures and describing how styles can be used to guide their architectural design. Basic lte architecture video eutran, enodeb, epc, sgw, pgw, mme, hss, pdn by telcoma global duration. It empowers value creation towards customers and partners, through existing and emerging use cases. Over the years, the cellular mobile network has evolved from a wireless plain telephone system to a very complex system providing. He has worked in routing protocols and routed network design for the past 15 years. It is a picture of the memorial to the murdered jews of europe, in berlin, which i photographed in 2006. There are a number of layers of security implemented through a variety of security measures. The first is that the network management problems pervade and transcend the many more local network management domains in existence, and in some case, little or nothing exists at present. Introduction much of the internet success comes from its ability to support a wide range of service at the edge of the network. The greatest changes are related to the access part of the network. The ohio state university raj jain 2 9 layering protocols of a layer perform a similar set of functions all alternatives for a row have the same interfaces choice of protocols at a layer is independent of those of at other layers. The node configuration of the epc network is shown in. This includes integrating across the multiplicity of technologies that may support any communication path.
Files are available under licenses specified on their description page. Global network architecture, status and next steps presentation in the network engineering workshop track of apan 43, chaired by kazunori konishisan erikjan bos, nordunet nordunet conference 2016 21 september 2016. Design considerations for a 5g network architecture steven bergren oklahoma state university, stillwater abstract. This keeps information about the users phone number, home network identity and security keys etc. Operating at layer 3 of the osi model, it makes forwarding decisions based on layer 3 addresses, such as ip addresses. At netcraftsmen, we get to do a lot of network assessments where we examine and evaluate a customers network, including the network management implementation. The lte network called eps evolved packet system is an endtoend e2e all ip network. There are currently seven elements in the architecture, shown in the figure below. An overview of the 3g network umts can in many aspects be looked upon as an extension to gsm and gprs. A network architecture for disaggregated racks cornell.
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