Definition, long form, meaning and full name of ggsn. The primary goal of our proposed architecture is to build a modular, compatible, and flexible software that supports sm functions. There is also a new database called gprs register which is located with hlr. Gprs architecture works on the same procedure like gsm network, but, has additional entities that allow packet data transmission. Gprs architecture ll general packet radio service ll sgsn, ggsn,gprs network explained in hindi. The ugw can function as a ggsn, an sgw, a pgw, or any combination of them but.
Modulos gateway gprs support node ggsn is a readytodeploy software solution, which can function as sgsn or ggsn in a gprs, edge or umts network. Gprs architecture ll general packet radio service ll sgsn. Once this software is installed, it will work in the background, stores the current sim number in a variable. The critical part in the gprs network is the mobile to gsn ms sgsn link which includes the msbts, btsbsc, bsc sgsn, and the sgsn ggsn link. Interface mapping an overview sciencedirect topics. It stores routing informations and maps the imsi to a pdn address. This means it prevents unauthorized users from accessing the network. If it is, the ggsn forwards the data to the sgsn serving the mobile user, but if the mobile user is inactive, the data are discarded.
Gsm, umts 3g slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Jan 26, 2017 sgsn information optional the ggsn can be configured with information about the sgsn s that it is to communicate with. Ericsson sgsn architecture overview v1 5142010 network. On the other side the sgsn relays the data between the sgsn and relevant ggsn and vice versa. Ipbased transport of user data between sgsn and the utran ip or ss7based signaling transport gateway gsn ggsn gateway for umts packet service to external data networks e. This includes the sgsn s ip address and subnet mask and whether or not the sgsn is on a foreign plmn. Serving gprs support node sgns gateway gprs support node ggns these two modesare comparable to mdis in cpdp. The gprs service charging can be based on the following parameters. Software engineering and project planningsepm data mining and warehousedmw data analyticsda mobile communicationmc. Ericsson sgsn architecture overview v1 5142010 free download as powerpoint. This must be done with use of many routers to generate huge amounts of data that can simulate the real world ip core network. Short for service gprs support node, it mediates access to network resources on behalf of mobile subscribers ms and implements the packet scheduling policy between different qos classes. Nfv is not something you will learn from a course, it is an architectural concept related to networks. This architecture simplifies the whole network by moving mobile network intelligence to the sdn controller, while removing old, complex nodes such as sgsn and ggsn and mobile protocols such as gtp.
To do all this,the ggsn keeps a record of active mobile users and the sgsn. Gprs support node sgsn and gateway gprs support node ggsn. Abstract sgsn and ggsn are the two core network elements of the general packet radio service which enables internet to become mobile. The integrated network comprises the primary architectural elements. Gprs architecture mobile communication notes explaining. A software architecture for gprs session management. Bsc, the base station controller bsc requires a software upgrade and the. Gprs network interfaces um,gb,gn,gp,gi,gr,gc,gf,gd,gs. From a network architecture point of view, ggsn is situated between the serving gprs support node sgsn and the external data networks such as the internet and x. Sgsn and ggsn are two new network elements required for supporting gprs services.
Gr interface between sgsn and hlr is used to get the user profile, the current sgsn address and the pdp addresses for each user in plmn. In this document we shall describe these gprs support nodes, called generically gsn nodes. The ggsn organises the interworking between the gprs edge network and. Some modifications may be required to the bts, but often only a software. The interplmn dns communications interface used by the sgsn to find a ggsn. The evolved packet core portfolio includes sgsn mme and mobile packet gateway software upgrades of the existing sgsn and ggsn products respectively and the new converged. In each new release of sgsn, or when implementation or upgrades have been done on routing application on sgsn, design and test engineers at ericsson need to emulate the ip core network. Ggsn is listed in the worlds largest and most authoritative dictionary database of abbreviations and acronyms the free dictionary. Sgsn integration and implementation papanash om prakash muthuswamy the goal of this thesis project is to implement a prototype for serving gprs support node sgsn which is the central part of the general packet radio service gprs. Contribute to moiji mobileggsn pgw development by creating an account on github.
Gprs sgsn capacity test application description this application allows network equipment manufacturers and operators to validate the capacity of a gprs core network element sgsn and ggsn prior to deployment or release of a new sw load. Primarily it is the protocol which allows end users of a gsm or wcdma network to move from place to place while continuing to connect to the internet as if from one location at the gateway gprs support node ggsn. Performance and architecture of sgsn and ggsn of general packet. In addition, cisco ggsn gateway gprs support node offers. Through simple software upgrades, cisco ggsn can support future 3gpp access technologies, protecting your investment as the network evolves to nextgeneration access technologies. Objectives upon completion of this chapter, you should be able to describe the sgsn to ggsn interface. It converts the gprs packet coming from the sgsn into proper packet. It is used by mobile operators as the interface between the internet and the rest of the mobile network infrastructure. Do software upgrades of sgsn mme wpp platform and ggsn juniper along with cpg smart edge of ericsson. Feb 15, 2016 in our previous article, we had focused on the network platform for network functions virtualization opnfv, mainly covering the virtual infrastructure and the corresponding manager that support network functions virtualization nfv. In this article, we will focus on open source options that are available for building different virtual network functions. Core architecture an overview sciencedirect topics. The general packet radio service gprs, a data extension of the mobile telephony standard gsm is emerging as the first true packetswitched architecture to allow mobile subscribers to benefit from highspeed transmission rates and run data applications from their mobile terminals. The gateway gprs support node ggsn acts as interface between the gprs backbone and the external packet data network pdn.
Yateucn is easy to operate and manage remotely using the yate mobile management interface mmi online. The ggsn organises the interworking between the gprs network and external packet. For simplicity, the gb interface between the sgsn and the bsc is represented in the diagram on the sgsn only. The sgsn and ggsn register all possible aspects of a gprs users behavior and generate billing information accordingly. In addition, the sgsn performs security functions and access control for the users. Performance and architecture of sgsn and ggsn of general.
This data network overlaps a secondgeneration gsm network providing. Gprs architecture ll general packet radio service ll sgsn,ggsn. To allow the gprs network to provide the packet data capability additional network entities are required to be added to the overall architecture two of the main entities are the ggsn and sgsn. It includes um,gb,gn,gp,gi,gr,gc,gf,gd and gs interfaces. On the other hand, mobileoriginated packets are routed to the right network by the ggsn. The sgsn ggsn interface when used within a single plmn is known as the gn interface. Support for true realtime data charging of subscription in home and roamed network. The ggsn, gateway gprs support node is one of the most important entities within the gprs network architecture. The sgsn performs the same functions as the msc for voice traffic.
The gsm contains most of the necessary capabilities to support packet transmission over gsm. Two new components, called gprs support nodes gsns, are added. A unified gsm and lte core network that implements in software the functions of gmsc, ggsn. To do all this,the ggsn keeps a record of active mobile users and the sgsn the mobile users are attached to. Short for service gprs support node, it mediates access to network resources on behalf of mobile subscribers and implements the packet scheduling policy between different qos classes. This page covers gprs network interfaces used in transmission plane and control plane. Implement network changes including any hardware, software and external interface changes. Ggsn gateway gpsr support node is the mobility anchor point within the mobile packet core network. It allows mobile users to access text based data services. A gprs network is composed of the following network nodes. The ggsn, gateway gprs support node is one of the most important entities within the gsm edge network architecture.
Refer to 3gpp specs as and when required in solving various customer problems related to packet core network. The sgsn sgsn interface is used in roaming only when interplmn hand over is supported. Within the same gprs network, sgsnsggsns are connected. The sgsn is the service access point to the gprs network for the mobile user. Gprs support nodes ggsns, and in the future the s4 sgsn. Gprs provided a packet data capability for the 2g cellular systems, enabling the evolution of gsm to provide a data capability.
This interface is named gp interface in case the sgsns exist in different plmn than the ggsns. It is responsible for establishing the packet data protocol pdp context with the ggsn. Srx1500,srx4100,srx4200,srx5400,srx5600,srx5800,vsrx. Open source packages for network functions virtualization. Two new nodes, the serving gprs support node sgsn and the gateway gprs support node ggsn are introduced and they can be combined in to one physical node. Optional support for direct tunnel and ciscos fastpath architecture helps improve the. It contains routing information for gprs mobiles, which is used to tunnel packets through the ip based internal backbone to the correct serving gprs support node. Transmission plane provides means for exchange of the user data. Subscriber and serviceaware service steering capability to promote tiered policies. Sgsns and ggsns use the gn interface in the communication between each other. Gprs network interfacesum,gb,gn,gp,gi,gr,gc,gf,gd,gs. Gprs tunnelling protocol is the defining ipbased protocol of the gprs core network. Sgsn may provide additional iri, such as location, depending on the sgsn software release, but it is not mandatory for the interception to work. Ericsson launches industrys most sophisticated core.
Functionally, no hardware impact occurs to the base transceiver systems bts. Looking for online definition of ggsn or what ggsn stands for. Likewise, the gn interface between the sgsn and the ggsn is shown on the ggsn only. The ggsn refers to gateway gprs support node, it provides internetworking between the gprs network. Our design goals are to achieve compatibility, modularity, and. The interface makes it accessible to add a new yateucn unit, to setup a cluster of yateucns, to configure a single yateucn function mscvlr, gmsc, sgsn, ggsn. Your guide to gprs network architecture mobile packet. International mobile equipment identifiersoftware version imeisv retrieval.
In simple terms it is an infrastructure that supports running of various network functions without specialised hardware or asics typically in an. The ggsn also collects charging information connected to the use of the external data networks and can act as a packet filter for incoming traffic. This information is gathered in socalled charging data records cdr and is delivered to a billing gateway. An mvno architecture has its own hsshlr, gmsc, ggsn, pgw, and smsc. On the other side the sgsn relays the data between the sgsn and relevant ggsn. The ugw is a huawei proprietary unified packet gateway. Find all acronyms and expansion of these 4 letters. Performance and architecture of sgsn and ggsn of general packet radio service gprs. Gc interface between ggsn and hlr is used by ggsn to query users location and profile to update its location register.
Utilizing openflow, sdn and nfv in gprs core network. The test of interworking with the gateway gprs support node ggsn is conducted to check whether the data for the interworking between the sgsn. The part of the network that is accessed via the sgsn is often referred to as the ps domain. Figure 5 shows the sm software architecture for the sgsn. Ii gsn functionality as we said, gsn node is consisted of sgsn and ggsn. Keep the nodes sgsn, ggsn, mme and cpg to the latest software correction version. A unified gsm and lte core network that implements in software the functions of gmsc, ggsn and pgw. Full mvno architecture hsshlr, gmsc, ggsn, pgw and smsc.
Short for gateway gprs support node it is the gateway between the gprs general packet radio service wireless data network and other external packet data networks such as radio networks, ip networks, or private networks. Session state information of the subscriber is always maintained at the ggsn. Pgwggsn for mvnos to stay ahead of competition leissner. It provides connectivity to the sgsn serving gprs support node and pdn packet data network. Ggsn, the ggsn refers to gateway gprs support node, it provides internetworking between the gprs network and the packet data network pdn.
Umts system architecture and protocol architecture overview on overall system architecture umts network architecture and elements mobile station highlevel functions. The configuration of li in the ggsn is depicted in figure 8. Setting up native ipv6 umts access with opensource ggsn. Can nfv be learnt separately without sdn and if yes please. The ggsn software uses a virtual template interface, which is a logical interface within the router and does not depend on the physical medium directly.
Mvnos need our network equipment yateucn as a gmsc, ggsn, pgw and yate hsshlr because of the flexibility given by the features included in the yate software and the use of offtheshelf hardware. This means the mvno platform has core network equipment and uses the ran of an mno. Gsm explain gsm architecture with a neat block diagram. Gateway gprs support node ggsn the gateway gprs support node acts as an interface and a router to external networks. In the case of the yateucn unified core network the yate software implements the functionalities of 2g3g4g core networks in a single server. It communicates with mobile phones through ran and communicates with external networks through ggsn.
Serving gprs support node sgsn gateway gprs support node ggsn. Sgsn to ggsn gn and ggsn topdn gi interface on globalspec. In order to do this, we used a gnu gpl licensed software ggsn implementation compatible with ipv4 and gtpv0v1 called openggsn 0. This architecture simplifies the whole network by moving mobile network. Paul smith director member technical staff 5g, software. Gprs architecture works on the same procedure like gsm network, but, has additional. Gprs network architecture overlays additional elements ggsn, sgsn, etc onto. Nov 26, 2014 in this paper we present a new architecture for delivery of gprs service which uses modern approaches such as sdn and nfv.
Gsmgprs network interfaces gsm network interfaces connect between different elements in the 2g gsm mobile communication network, which is based on the ss7 protocol stack. It converts the gprs packet coming from the sgsn into proper packet data protocol pdp format i. Aug 25, 2014 mobile telecommunications product, huawei ggsn sodtware and hardware overview. When used between plmns it is known as the gp interface. Understanding ggsn redirection, ggsn pooling scenarios overview, example. The control plane is used to ensure availability of the transmission plane. Emulation of the ip core network for testing of the service. Sgsn is responsible for the transfer of data packets between the mobile stations.
808 902 1253 24 299 23 1291 921 1299 1019 383 337 1416 1003 1580 1037 619 161 27 1102 1092 1600 187 1463 781 1298 332 108 537 171 405 1131 131 530 724 270 1372 1305 866 457 756 1186 563 1430 1179 1029