New Nexus8630 Protocol Analyzer helps maintain QoS in LTE Labs around the world
July 5, 2010 - Zurich, Switzerland
As new and complex technologies conquer the telecom arena and point towards a "one size fits all" IP-based ecosystem where multiple converged communication services must coexist, executives responsible for operations become increasingly concerned about the reliability of the new network elements. Enter Nexus Telecom's new Nexus8630, already deployed in major LTE laboratories around the world.
Rendered possible by the arrival of VoIP, converged communication signaled a new era in terms of customer experience and business processes integration. However it also brought new challenges, and chief among them, the maintenance of Quality of Service. "Quality of Service" is commonly defined as the ability to provide different priority to different applications, users, or data flows, or to guarantee a certain level of performance to a data flow. In VoIP-based networks however, data transmission occurs through IP networks and the internet. As a result, calls are subjected to potential errors, such as jitter or packet loss with voice quality degrading as a consequence. This is where the most critical aspect of the situation lies, as consistent low-quality voice communication can lead to customer irritability and ultimately customer churn. And yet, with VoIP traffic sharing bandwidth with other applications, maintaining high-quality voice communication can prove difficult, and costly, particularly in next generation networks such as LTE.
This is where the new Nexus8630 shows its strength. Simply put, Nexus8630 allows telecom operators to remain in control of converging networks, as illustrated by a number of current LTE laboratory deployments in America and other locations worldwide. As a permanently installed, passive, probe-based protocol analyzer system, the unit boasts a number of unique features that allow remote centralized management and troubleshooting of a network, even retroactively. The concept behind the unit is to continuously monitor network access for testing of all fixed interfaces of mobile radio networks (GSM, GPRS, UMTS (HSDPA), CDMA, NGN), access networks (V5, ISDN) and SS#7 networks. This allows cross-technology call trace analysis, which is indispensable for converged technology quality of service maintenance, making Nexus8630 an ideal solution for Long Term Evolution networks (LTE).
Thanks to the unit's definable logging capabilities, traffic data can be used days later to retroactively analyze network problems at the time they occurred, even if they either no longer occur on the network or cannot be easily reproduced. Nexus8630 supports the complete set of wireless network standards such as Iub, Iur, IuCS and IuPS for UMTS. The unit also supports various vendor-specific variants, including: Alcatel, Ericsson, Nokia, Lucent, Siemens, Nortel, Huawei and Motorola.
Next to decoding control plane messages, Nexus8630 also decodes user payloads to enable operators to obtain additional information about the network traffic. In addition, Nexus8630 allows instant correlation of message flows over different types of interfaces and technologies, a most valuable feature to operators when monitoring calls progressing through a network from a central location.
Combined with a powerful and customizable reporting tool, Nexus8630 considerably reduces the time taken to fix problems, minimizes network downtime, and helps contain operational cost. With an annual operational budget significantly less than traditional handheld local protocol analyzer equipment, and thanks to the system being permanently situated, there are no travel costs nor unintentional link interruptions nor access site coordination logistics or other issues associated with using local protocol analyzer equipment.
Lukas Hebeisen, Nexus Telecom's Director of the Monitoring Business Unit is greatly pleased with this launch, saying, "Our new Nexus8630 really brings LTE network monitoring to the next level. Increasing complexity and tighter integration will bring additional pressure on converged networks and subsequent QoS expectations. With the resulting Application Service Quality turning into an important driver of productivity and user experience, the release of Nexus8630 proves our company's and the product's ability to anticipate customer demands while guaranteeing a smooth transition to LTE networks".
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