Gprs tunneling protocol gtp free download as powerpoint presentation. Fortioscarrier upgrade license faced with the explosive growth of smart personal devices, iot sensors and applications, mobile carriers and mobile virtual network operators. Gprs tunneling protocol simple english wikipedia, the. Mobile network operators use the gprs tunneling protocol gtp on various interfaces in roaming and radio access network ran deployments and within the packet core in 3g and 4g networks. I had been using seagull for the testing diameter and radius protocols. Gprs tunneling protocol gtp gtp protocol is designed for tunneling and encapsulation of data units and control messages in gprs. Mobile network operators use the gprs tunneling protocol gtp on various interfaces in roaming, radio access network ran, and cellular iot ciot deployments and within the packet core in 3g and 4g networks. Explain how the new tunneling protocol could affect the performance of normal applications such as voice communication.
Senior researcher naoto matsumoto slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. The pdu session type can be ipv6 or ethernet for transporting ip packets or ethernet frames. It involves allowing private network communications to be sent across a public network such as the internet through a process called encapsulation because tunneling involves repackaging the traffic data into a different form, perhaps with encryption as. Since its design in the late 1990s, it was put to deploy on a large scale, and solid experience has been gathered. Gprs tunneling protocol gtp introduces key concepts of gprs tunneling protocol gtp, both the control part gtpc and userplane part gtpu. Gprs tunnelling protocol user plane gtpu gtpu protocol is used over s1u, x2, s4, s5 and s8 interfaces of the evolved packet system eps. Tunneling transfer of encapsulated data units within and between the plmns from.
Cisco asr 5500 system architecture evolution gateway gprs. The gprs tunneling protocol gtp allows multiprotocol packets to be tunneled through a gprs backbone. It was designed in late 1990s, it was put to deploy on a large scale, and solid experience has been gathered. Gtp protocol gtp protocol is used to send the traffic within ps core and grx.
Gtp allows mobile subscribers to use their phones user equipment to maintain a connection to a packet data network pdn for internet access while on the move. Destination careofaddress source address of home agent protocol number ipinip. Gtpv2 has two flavors, a control plane protocol gtpv2c and a user plane protocol gtpv2u. Gtp for evolved 3gpp system is available in two variants, control and user plane. A vulnerability in the general packet radio service gprs tunneling protocol ingress packet handler of cisco asr 5500 system architecture evolution sae gateways could allow an unauthenticated, remote attacker to cause a partial denial of service dos condition on an affected device. Umtsuniversal mobile telecommuncation system, lte3gpp long term evolution, gsmglobal system for mobile communications. Because it understands the stateful nature of this protocol, the gtp correlation feature can match and pass all of an identified subscribers control and data sessions to the. Sgsn serving gprs support node teid tunnel endpoint identifier udp user datagram protocol 3 general the present document defines the gprs tunnelling protocol gtp specific to the network with the glr, i.
The gprs tunneling protocol gtp is the tunneling protocol defined by the 3gpp standards to carry general packet radio service gprs within 3g4g networks. Lte s6as6d interface description 9106857001 revision a 10 2. Gtp is also expected to be used widely in 5g networks. This short article about technology can be made longer. Gprs architecture interfaces and protocols interview mcq. It is used to encapsulate user data when passing through core network and also carries bearer specific signalling traffic between various core network entities. The contents of the present document are subject to continuing work within the. Gtpc is used within the gprs core network for signaling between the gateway gprs support nodes. Collection of documentations and specifications for communication protocols between various gps tracking devices and gps tracking server.
The gprs tunneling protocol for the user plane gtpu supports multiplexing of the traffic from different pdu sessions by tunneling user data over n3 interface i. Gprs tunneling protocol is an ipudp based protocol used in gsm, umts and lte networks. Session creation, modification and path management concepts are covered. General packet radio service gprs tunneling protocol version 2 gtpv2, also known as evolved packet servicesgtp or egtp, is modified and enhanced from the gprs tunneling protocol used in 2g and 3g mobile networks. Gtp allows gsm customers to travel while staying connected to the internet. Gprs um interface rlc protocol and mac protocol is in charge of all radio related control functions on the air interface pcu and ms llc protocol is in charge of transmission between sgsn and ms delivery of data units to the higher layer in the correct sequence sndcp sub network dependent convergence protocol protocol is. This is a tunneling protocol, which runs over udp and utilizes port 2123 for man. In order to multiplex multiple users onto the same transport bearer portip address, teids. Gprs tunneling protocol v2 support generalpacketradioservice gprstunnelingprotocolversion2gtpv2isintroducedbythe3rd generationpartnershipproject3gpptechnicalspecificationts29. Gprs tunneling protocol gtp is an internet protocol ip based protocol suite used to carry general packet radio service gprs within the following networks. Gprs tunneling protocol gtp technical documentation. Gtpu protocol is used over s1u, x2, s4, s5 and s8 interfaces of the evolved packet system eps.
Gprs tunneling protocol v2 support generalpacketradioservice gprs tunnelingprotocolversion2gtpv2isintroducedbythe3rd generationpartnershipproject3gpptechnicalspecificationts29. Figure 27 shows the gprs protocol stack and endtoend message flows from the ms to the ggsn. Gprs tunneling protocol gtp in lte all about wired and. The tunnel endpoint id teid which is present in the gtp header indicates which tunnel a particular tpdu belongs to. In computer networks, a tunneling protocol is a communications protocol that allows for the movement of data from one network to another. Gprs tunnelling protocol analytics memo 08dec2015 sakura internet research center. There are various systems with distinct functionalities. Gprs tunneling protocol gtp gtp protocol is designed for tunneling and enclosure of data units and control messages in gprs. You can easily clear job interviews and college exams with these objective questions. Gprs tunneling protocol gtp is a group of ipbased communications protocols used to carry general packet radio service gprs within gsm, umts and lte networks. Gtp can be decomposed into separate protocols, gtpc, gtpu and gtp.
Encapsulation and tunneling ipinip encapsulation received ip packet is encapsulated in a new ip packet with a new header. Universal mobile telecommunications system umts 3gpp long term evolution lte global system for mobile communications gsm gtp allows gsm customers to. Gprs tunneling protocol gtp the overview page for gtp content including navigation links for everything about gtp. Gprs tunnelling protocol wikipedia, the free encyclopedia free download as pdf file. Study these interview mcq questions and answers on 2g3g gprs architecture interfaces and protocols. List of standards for release 3, 4 and 5, respectively. Umts gprs tunneling protocol in umts tutorial 20 april.
Protocol sm gprs tunneling protocol pointtopoint protocol involved network nodes sm serving gprs support node and gateway packet data serving node gprs support node. Gtpv2 is primarily used for control signalling between serving gateway sgw. Gtpv1u is used to tunnel user plane data between different network nodes e. Gprs architecture uses a radiopacket technique to transfer user data packets in an efficient way between gsm mobile stations and external data networks. This protocol has several advantages which will be discussed later. Basic lte architecture video eutran, enodeb, epc, sgw, pgw, mme, hss, pdn by telcoma global duration. The vulnerability is due to improper input validation of gprs tunneling protocol packet headers. Introduces key concepts of gprs tunneling protocol gtp, both the control part gtpc and userplane part gtpu. Umts system architecture and protocol architecture overview on overall system architecture. Gtp gprs tunneling protocol hi all, i am new to this mailing list, and has joined it, in a hope that i will be able to contribute. Gprs tunneling protocol gtp gtp protocol is designed for tunneling and encapsulation of. Gprs tunneling protocol gtp is a group of ipbased communications protocols used to carry general packet radio service gprs within gsm, umts, and lte networks.
A scheme for the packet data transmission within mobile networks including information on protocols 4. In 3gpp architectures, gtp and proxy mobile ipv6 based interfaces are specified on various interface points. In 3gpp architectures, gtp and proxy mobile ipv6 based interfaces are specified on various interface points gtp can be decomposed into separate protocols, gtpc, gtpu and gtp. Figure 83 illustrates a basic representation of the gprs architecture. Gprs tunnelling protocol user plane gtpu 4g 5g world. Gtp is used to establish a gtp tunnel, for user equipment, between a serving gateway sgw and packet data network gateway pgw, and an sgw and mobility management entity mme. Gtpv1u is used with udp user datagram protocol and ipv4ipv6 as supporting layers. Gtpu tunnels are used to carry encapsulated tpdus and signalling messages between a given pair of gtpu tunnel endpoints. Gprs tunneling protocol gtp is a group of protocols to send and receive data over cellular phone networks. The protocol between the sgsn and ggsn using the gn interface is gtp.
520 238 1358 1471 72 973 1469 1373 114 1048 607 927 1282 148 448 669 713 245 163 855 220 34 774 1214 56 293 478 1493 1195 931