A Study on Global Test-bed and Testing of Open Mobile Network Platform. October 10, 2014 Kyung Hee University
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1 A Study on Global Test-bed and Testing of Open Mobile Network Platform October 10, 2014 Kyung Hee University
2 Contents Goals of Research Open Mobile Network Platform Research Information for the First-half Future Research Plan for the Second-half Verification Test with International Research Network 2
3 Goals of Research Development of Open Mobile Network platform based on Open Source Software and Test-bed construction Constructing Open Wi-Fi Network platform based on platform-built automation system Constructing Open 3GPP Access Network platform based on platform-built automation system Constructing Open 3GPP Core Network platform based on platform-built automation system Constructing Open 4G LTE Access Network platform based on platform-built automation system Constructing Open IP Router platform based on platform-built automation system Constructing Open Cloud Service control environment based on platform-built automation system Constructing SDN-based Network control environment Constructing GUI-based platform-built automation system Development of Agent for SDN-based control and platform-built automation Research for providing evolved service using Open Mobile Network platform Development of Mobile VoIP Service considering QoS/SLA Development of Fast Handover technique between APs based on Wi-Fi which provide real-time streaming traffic Perform advanced future network research of International network and cooperative verification test Constructing Open Mobile Network test-bed platform on National Research Network(VinaREN, INHERENT) Perform cooperative Mobile Network Technique verification test with KOREN-TEIN/APII-VinaREN- INHERENT 3
4 WiFi Network Platform Open Source Based WiFi AP and SDN Controller on KOREN Access Point using OpenWRT IP Router based on Quagga SDN Controller and SDN agent 4
5 3GPP Access and Core Environments Implemented using USRP OpenBTS IP Router based on Quagga Define protocol between BS based on USRP/OpenBTS and mobile core components based on Osmo SDN Controller and SDN agents 3GPP BS and Core 5
6 Overall Architecture for OSS based Mobile Networks 6
7 Test-bed for Mobile Networks Based on Open Sources 7
8 OpendFlow based Network Management Architecture 8
9 Development Environment Ubuntu (Basic OS) Floodlight version 0.90 (providing REST API) Eclipse IDE v (Java development Env.) Java v.1.7 Apache tomcat v.7.0(supporting HTTP/HTTPS) 9
10 Floodlight based SDN controller Development Environment 10
11 Operation of SDN Controller : Floodlight 11
12 Path Manager No. Components name Description 1 Router Map Shows the information related to the Topology information 2 Node Information Shows the information related to the Node information 3 Path Information 4 Create Path Can generate path flow Shows the information related to the path flow information, And can delete registered path flow. 12
13 Scenario for Flow Creation Seoul(DPID= ) eth0 (2) eth2 Req_BW : 600Mbps Req_BW : 700Mbps Req_BW : 300Mbps eth3 (3) eth1 (1) END-SE@PC Path Manager END-SW@PC Cloud Server OF@PC eth0 VN Manager SDN Controller eth0 eth3 eth0 (1) eth2 (2) eth1 (3) Suwon(DPID= ) NAME IP SDN Controller OF-SE@PC :6633 OF-DJ@PC :6633 OF-DG@PC :6633 OF-GJ@PC :6633 OF-SW@PC :6633 eth4 END-GJ@PC 1Gb KOREN 1Gb (3) eth4 (1) eth2 1Gb (4) (2) eth1 eth3 1Gb 1Gb 1Gb Gwangju(DPID= ) (4) eth5 (1) eth0 (2) eth1 eth3 (3) eth1 END-DJ@PC Daejeon(DPID= ) Daegu(DPID= ) End Host NAME (3) eth2 (1) eth0 eth3 (4) IP eth1 END-SE@PC END-DJ@PC END-DG@PC END-GJ@PC END-SW@PC END-DG@PC 13
14 Open Stack Based Mobile Core Environment KOREN SDN Controller Quagga IP Router Quagga IP Router Cloud Service Platform Controller node Network node Compute nodes Nova Scheduler Cloud Server Pool Nova API RabbitMQ (Queue) 3GPP Core Network VM MVNO Server VM VoIP Server VM Compute Controller Volume Controller Nova Compute MySQL Glance API Image Storage Network Controller Hypervisor Operating System Physical Resources OS : Ubuntu LTS Server OpenStack : Icehouse version 14
15 Implementation in 3GPP Cellular Network UE USRP BTS w/trans. Packet Osmo PCU Access Network GTP-U UE: User Equipment USRP: Universal Software Radio Peripheral BTS: Base Transceiver Station PCU: Packet Control Unit Osmo SGSN GTP-C Osmo GGSN Core Network GTP: GPRS Tunneling Protocol SGSN: Serving GPRS Support Node GGSN: Gateway GPRS Support Node IP Internet *Osmocom Project: Open Source Mobile Communications by GSM and DECT 15
16 Constructing 3GPP Cellular Network Test-bed IP-PBX UE #1 w/ VoIP Client Access Network #1 Core Network Internet UE #2 w/ VoIP Client Access Network #2 16
17 Constructing OpenWrt based WLAN environment OpenWrt AP software architecture OpenWrt AP inernal OpenWrt OpenVSwitch OpenWrt-Bridge OpenWrt AP bgn HW SDN Agent 17
18 Constructing OpenWrt based WLAN environment testing with SDN Controller G-TOPology HYU testbed OpenWrt Test SDN Agent 18
19 Constructing IP Router using Quagga Router internal Quagga IP Router Flodlight SDN RCP VoIP Client VoIP Client GNU Radio 3GPP BS portn portn portn portn port1 port1 port1 port1 TUN/TAP TUN/TAP TUN/TAP TUN/TAP QuagFlow QuagFlow QuagFlow Slave SDN Slave Slave Agent kernel space kernel space kernel space kernel space Route Route Route Table Route Table Table Table Quagga Quagga Quagga Quagga user space user space user space user space SDN Controller Quagga IP Router ofpfd ripd bgpd RIB RIB RIB Cloud Server Quagga IP Router KOREN zebra FIB Unix Kernel Routing Table SDN Agent 19
20 VoIP Service Environment using Asterisk IP PBX Asterisk IP PBX (Private Branch exchange) which is open source. Mobile VoIP Client determine the CODEC according to quality state of access network by mobile terminal such as bandwidth, signal strength and delay. LinPhone: installing VoIP client on various OS based smart device and laptop Android / ios / Ubuntu Test for VoIP service under GNU Radio 3GPP and OpenWRT Wi-Fi environment SIP Messaging service Digium Web UI Digium Asterisk Web UI 2.0-r5220 (Open source) 20
21 VoIP Service Environment using Asterisk IP PBX (ctd.) VoIP service environment on Openstack IP PBX: Asterisk VoIP Client: Linphone Android based Galaxy Note 10.1 / Galaxy Tab 1 / XPERIA Ray Ubuntu based Laptop KHU testbed Kyemyung Univ. testbed SDN Controller VoIP Client Cloud Server Quagga IP Router KOREN Quagga IP Router GNU Radio 3GPP BS VoIP Client VoIP Client OpenWRT WiFi AP VoIP Client SDN Agent 21
22 Development of Platform Build Automation System Platform Build Automation API VM Server build automation VM VM Testbed Operator Management of platform build policy and monitoring Platform Build Automation Manager Chef Server VM VM VM VM for Cloud Service (VM node with chef-client) Open Source Mobile Network Testbed Manager Open Mobile Network Testbed Platform (Physical node with chef-client) 22
23 Future Research Plan for the Second-half 23
24 S11 GTP-C Constructing enodeb for providing 4G LTE MME HSS S6a Diameter SGi UE OAI HW enodeb S5 Internet GTP-C/U S-GW P-GW E-UTRAN EPC Fig. Cellular Network architecture based on Open Air Interface UE: User Equipment E-UTRAN: Evolved Terrestrial Radio Access Network enodeb: Evolved Node B GTP: GPRS Tunneling Protocol OAI: Open Air Interface MME: Mobility Management Entity HSS: Home Subscriber Server S-GW: Serving Gateway P-GW: PDN Gateway 24
25 Overall Architecture for OSS based Mobile Networks 25
26 Testbed for Mobile Networks Based on Open Sources 26
27 Verification Test with International Research Network Verification test for platform build automation system Check whether the required Open Mobile Network platform can perform remote auto-configuration Check whether availability of Monitoring for status of building platform Open Mobile Network platform connection test Test for Internet connection using Wi-Fi AP based on OpenWrt Test for Internet connection using 3GPP mobile network platform Test for Internet connection using 4G LTE mobile network platform mvoip service verification test considering QoS/SLA Check whether the improve call quality according to monitoring result from Agent Call Quality measurement according to Call Quality MOS-CQE Verification test for Fast Handover between APs based on Wi-Fi which provide real-time streaming traffic Measurement of Handoff delay in inter domain Measurement of Handoff delay between other domain 27
28 Q&A Thank you! 28
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