Network & Service Analyzer

Transcription

1 Network & Service Analyzer Most Efficient Troubleshooting and Optimization Solution for Mobile Networks and Services Improving Efficiency in 2.5G, 3G and 4G Testing Minimize time required to detect and resolve network and service issues Reduce the time and cost of development test in the labs Extend insight into your network perfomances Automated generation of warning and analysis reports Advanced and flexible solution for KPIs generation and trend analysis The market-leading Network & Service Analyzer (NSA ) is a suite of fully automated software applications for troubleshooting and optimization of mobile networks and services. NSA allows users to trace subscribers control and user plane data both in real time and offline over multiple interfaces and network elements. Identification of network problems and service quality degradation (from the symptom down to the root cause) becomes tremendously fast and easy with this tool. The capabilities and benefits of the NSA can be realized across LTE, UMTS (including HSPA+), and 2.5G/2G networks. As a result, the time required to obtain and analyze data from across wireless mobile networks and in testbed environments is greatly reduced, and carriers and vendors alike can realize improved network testing efficiency. NSA Key features Automatic Topology Discovery Automatic Instrument Configuration Multi-interface Call Trace Message Statistics and Key Performance Indicators Multi-user support Support of thousands of mobile network protocols Radio Chart Analysis for UE Parameters NSA Key Applications Campaign based live network troubleshooting Product Verification & Validation IOT and Compliance Testing Mobile Network Optimization IP Throughput and Time Delay Analysis Down-to-the-Bit Frame Analysis Datasheet

2 Datasheet Network & Service Analyzer Features and benefits Multi-Technology The NSA Suite is a state-of-the-art troubleshooting solution for established and emerging mobile network technologies. It is devised to function optimally in development, trial and live deployment environments. With a single software platform, Mobile Network Operators and Network Equipment Manufacturer engineers can monitor and test 2G, 2.5G, 3G, HSPA+ and LTE network environments. With support for a wide range of 3GPP, Vendor- specific and Industry Forum protocols, the NSA suite of tools helps minimize the time between identifying that an issue exists and determining its root cause. Thus, the NSA assists Network Equipment Manufacturers in meeting the Time-to-Market targets of new features as well as Mobile Network Operators in continuously providing their customers with superior Quality of Service (QoS). Flexible Hardware Platform Ensuring the ability to capture high data rates without data loss is a critical requirement for monitoring today s high load networks. This becomes even more crucial as both new and established networks evolve towards all IP networks. The K18 and High.Link probes feed the NSA system with captured traffic in a stream-store-analyze mode to ensure that data integrity cannot be compromised. Additionally, the K2Air probe can be used in a similar manner to capture and analyze traffic from the LTE Uu air-interface. The K18 probes perform real-time capturing under heavy load from ATM, PCM, Ethernet and Gigabit Ethernet interfaces. They also perform line-rate hardware filtering (e.g., control plane/user plane, VPI/VCI, IP addresses) to allow users to effectively narrow their troubleshooting activities on a small subset of critical information from the high volumes of monitored traffic. High.Link probes can be used to capture large quantities of data in multi-gbps IPbased network environments, where both 1G and 10G transport layer connections occur. High Performance to match the needs of today s and tomorrow s mobile networks troubleshooting K2Air Probe for LTE Uu Air-Interface With the NSA supporting mixed hardware environments users can easily extend the number and types of probes to match the requirements of their growing installations. Auto-configuration and Topology In order to minimize unproductive time used on activities such as configuring the system for monitoring activities, the NSA can identify and auto-configure thousands of 2

3 logical network interfaces and logical links within minutes. Especially users monitoring complex iub/iur interfaces or interfaces with channelized STM-1 probes will significantly benefit from such auto-configuration features. For static testing environments where traffic load is lower and a learning phase is undesirable, the Topology and Link Configuration Editor allows users to manually populate and/or edit a network topology within a short time span. Call Table and Call Trace Call Tracing effectively equips users with a magnifying glass to detect the needle in the haystack of collected data. By reducing a large number of calls listed in the Call Table by filter criteria such as a specific IMSI or a release cause value, users can quickly drill-down into those calls that require further attention. The selected call shows then the complete message flow across all relevant network elements. A Detailed frame view allows down to the bit analysis of the call trace to facilitate root cause analysis. Powerful auto configuration and network topology NSA's call trace application provides various export capabilities, from exporting the complete call table to individual call flows or even frame decodes, thus assisting the user in creating reports on network problems. Detailed reports to highlight network issues faster 3

4 Message-based Statistics and KPIs The user requires often a tool that can make a broad scan of the captured traffic and quickly identify potential problems. An unexpected or unusually high incidence of a particular event (e.g. RAB assignment failure, can swiftly be identified by analyzing the statistical distribution of relevant messages and release causes. By performing such analysis over time, users can quickly see whether the issue is related to a particular incident (i.e. a network node restart), or is spread evenly throughout the testing period. The NSA allows drill-up from individual messages and events to the related call trace so that users can quickly investigate the influence of an event on the related user experience. NSA also provides a comprehensive set of tools for assessing IP packet level QoS, including throughput, packet delay and packet loss, displayed in both tabular and graphical formats. At other times only Key Performance Indicators (KPIs) that map complex relationships between multiple parameters and call phases are sufficient to confirm or refute a hypothesis. For these cases, the NSA provides a comprehensive set of KPIs that provide key insight into the influence that different parameters have on each other. This allows for domain area identification of service problems, mapping of service issues to network issues, and results in reducing the time required for network optimization and troubleshooting. For maximum flexibility, users can continuously modify which relationships they wish to investigate (i.e. is the problem related to a particular nodeb, a particular cell or a particular handset type). Drilldown to the calls/transactions behind a KPI provides the user with the information to go from KPI to the identification of the problem cause with just a mouse click. All KPI measurements are stored within an open MYSQL database, and can be accessed by third party tools. This allows for easy integration of the solution within existing measurement systems. For networks with a low to medium amount of data volume (e.g. in a lab environment), users can easily define new KPIs (e.g. message counters, event ratios or delay measurements) within minutes and integrate these into appropriate KPI reports. Sample Analysis of Message Statistics and Time Delay 4

5 Multi-user support A typical testbed environment can find multiple users who need to see only a subset of interfaces or handsets that are under test. Users require full flexibility to filter out and save data relevant to their test, and do not wish to be impacted by the applications being used by others that are sharing the system. The NSA s Multi-user capabilities allow users to work completely independently by sharing the data captured by a common set of probes, and forwarding only the data required by the individual user to his remote terminal. Here the user has the freedom to use the NSA applications of his choice without impacting the performance being experienced by other users. Multi-user capabilities ensure maximum system utilization and efficiency of engineering teams. Multi-user capability for more efficient testing and troubleshooting 5

6 NSA for LTE The NSA platform extends its support to provide market-leading LTE testing solutions Air Interface Monitoring In 2G/2.5G and 3G technologies, significant air interface information is available on wireline interfaces such as Abis and Iub. With the implementation of self-governing enodebs within the LTE network, this form of control information is no longer sent on a wireline interface. Users are required to move closer to the radio interface itself to gain key insight into the performance of the enodeb and the radio network. The NSA provides, in conjunction with K2Air, the LTE Uu probe, air interface insight by supporting promiscuous air interface monitoring via the CPRI control port implemented on the majority of enodebs. Applications such as call trace and KPIs seamlessly correlate the wireless information with information collected on the S1 and X2 interfaces. This capability provides the user with a 360 view of radio network performance. Graphical depictions of key RF physical layer parameters are supported to investigate RF performance and quality, and can be analyzed in conjunction with higher layer protocol information to determine the impact that RF PHY performance has on service quality, for example. Additionally, by monitoring key interfaces within the Evolved Packet Core (EPC), such as the S1, S5, S11 and SGi interfaces, the user is able to correlate events within the EPC with their impact on the air-interface. 6

7 NSA for 3G and HSPA+ Advanced 3G HSPA+ Troubleshooting The NSA is the platform of choice for UTRAN monitoring. With an extensive set of tools required for performance monitoring, troubleshooting and optimizing 3G networks, Mobile Network Operators and Network Equipment Manufacturers are provided with a platform which minimizes the time to identify and solve service affecting issues. Application Support Autoconfiguration of all 3G and HSPA+ Interfaces Call trace including coverage of HSPA+ specific features Extensive range of flexible KPIs covering radio, network and user issues ATM and IP-based support for all interfaces, including Hybrid-Iub variants as well as E1 ATM IMA support for Iub Support for vendor-specific variants Support of key 3GPP releases up to Rel-8, including Rel-8 Features like DC-HSDPA. 7

8 NSA for 2G/2.5G 2G and 2.5G Test Applications More than 80% of the world s population is covered by GSM networks, and a similar percentage of the population have access to data services via GPRS and EDGE networks. These legacy technologies provide the backbone of the 3GPP family and continue to generate key revenue for Mobile Network Operators and Network Equipment Manufacturers alike. Mistakenly considered to be mature technology, the further evolution of data services (Rel. 7 Evolved EDGE) as well as the move away from PCM-based towards more efficient IP-based interfaces, indicate that monitoring and optimization tools for 2G and 2.5G networks are still very much required. Application Support Automatic interface detection Call trace Flexible KPIs for handovers, assignment failures, air interface quality, etc. Vendor proprietary Abis versions 8

9 NSA for CORE Enabling Effective CORE Network Test The Core provides the critical transfer functions required to move data from one part of the network to another and provides gateways to external fixed and mobile networks. The core is also where subscriber databases and network intelligence can be found. The core network is further evolving with the deployment of softswitch technology and the continued growth of cost-efficient IMS/SIP-based services. Mobile Network Operators keen to leverage the cost savings that this paradigm shift can bring must ensure that an IP Core can provide adequate quality and reliability for their voice & data services. Application Support Auto-configuration Call trace Flexible KPIs for call volumes, call success rates, throughput, etc. Dedicated support for MAP & CAP Protocol Analysis 9

10 Specifications Recommended External PC Requirements For low load environments where portability is key: Dual Core CPU, 2.6 GHz/4MB/800MHz), 4GB RAM, 160GB HD rpm Network Interface supporting Ethernet Jumbo frames Windows XP Professional Server Solution For high load environments, where performance is key: 2x- Quad Core CPU (2.8GHz/2x4MB/1333MHz), 12GB RAM, HD 5TB (RAID recommended) Microsoft Windows Server 2008 R2 K18 Probe STM1/OC3 4 x STM1 receiver ports SC connector GbE 4 x RJ45 (electrical for 100/1000 Mb/s) or 4 x flexible SFP modules (RJ45 electrical, LC 1300 nm optical, SC 850 nm optical) E1/DS1 ATM 16 E1/DS1 receiver ports; IMA support; AAL5, AAL2 reassembly ATM STM-1 2 x STM1 receiver ports SC connector High.Link Probe: 4x 1 GbE - 4x RJ-45 or 4x SFP optical (LC connector) 2x 10 GbE - 2x XFP optical (SR or LR) K2Air Probe: 2x SFP optical for connection to 2 CPRI ports 10

11 Datasheet Network & Service Analyzer About Tektronix Communications: Tektronix Communications provides network operators and equipment manufacturers around the world an unparalleled suite of network diagnostics and management solutions for fixed, mobile, IP and converged multi-service networks. This comprehensive set of solutions support a range of architectures and applications such as LTE, fixed mobile convergence, IMS, broadband wireless access, WiMAX, VoIP and triple play, including IPTV. Tektronix Communications is headquartered in Plano, Texas. Learn more about the company s test, measurement and network monitoring solutions by visiting For Further Information: Tektronix Communications maintains a comprehensive, constantly expanding collection of application notes, technical briefs and other resources to help engineers working on the cutting edge of technology. Please visit Contact Tektronix Communications: Please visit Phone: Copyright Tektronix. All rights reserved. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supersedes that in all previously published material. Specification and price change privileges reserved. TEKTRONIX and TEK are registered trademarks of Tektronix, Inc. All other trade names referenced are the service marks, trademarks or registered trademarks of their respective companies. 03/11 5LW