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Napatech White Papers


  • State of the Art Timekeeping

    In the Napatech whitepaper ”The time has come for greater precision: implementing high precision timekeeping for network analysis”, a detailed description is provided of various timestamp accuracy test methods. But what is state-of-the-art performance today? What can be achieved with current intelligent network adapter products? In this paper we provide results for a typical Napatech intelligent network adapter based on the timestamp accuracy tests already described.
  • State of the Art Timekeeping
  • Implementing High Precision Timekeeping for Network Analysis

    Time-stamping and time synchronization, once the domains of specialists, is now required knowledge for developers of high performance network monitoring and analysis appliances. In this whitepaper, we provide an introduction to the key fundamentals of time-stamping and time synchronization with a review of technology choices and testing scenarios. Most importantly, the whitepaper will show that nanosecond time-stamping and time synchronization is now essential for accuracy and precision especially as we move to 40 and 100 Gbps networks.
  • Implementing High Precision Timekeeping for Network Analysis
  • Building Intelligent Mobile Data Services Using Deep Packet Inspection

    The introduction of mobile data services has proven to be a great success. Perhaps too great! The subsequent pressure on mobile networks is placing mobile carriers in the same dilemma that fixed-line carriers have already experienced; namely the “revenue gap” or “scissor effect” where traffic and network costs grow faster than revenue. By building more intelligence into the network, it is possible to address this dilemma by offering user friendly services with more intelligent pricing models that are user rather than network focused. Deep Packet Inspection is a key technology in making this a reality.

  • Building Intelligent Mobile Data Services Using Deep Packet Inspection
  • Consolidating Multiple Network Appliances

    Space and power are major concerns for enterprises and carriers. There is therefore focus on consolidating the number of physical servers in data centers. Application server consolidation is already taking place via virtualization, but what about the various network appliances used to monitor, analyze, measure, secure and optimize IP networks? These are typically stand-alone devices installed at critical points in the network. How can weconsolidate these appliances into fewer servers?

  • Consolidating Multiple Network Appliances
  • Traffic Generation for the Mainstream Ethernet Market

    This white paper provides a new vision for test and measurement equipment vendors: Make sure that every engineer who needs a test and measurement system can get one! The availability of commercial off-the-shelf hardware and software now makes it possible to build affordable test and measurement systems that can help test and measurement equipment vendors to broaden their market to include development engineers who are normally deprived test resources due to cost. To take advantage of this opportunity, test and measurement equipment vendors need to re-think their product development strategy for the mainstream market. 
  • Traffic Generation for the Mainstream Ethernet Market
  • A Guide to Building Universal Network Appliances

    Find out how combining the latest generation of standard PC servers with Intelligent Real-time Network Analysis adapters provides a new approach to development of network appliances that promises to reduce cost, risk and time-to-market for OEM manufacturers of network monitoring, test & measurement, network security and network optimization appliances.
    Universal Network Appliances provide an alternative to proprietary hardware development by using the latest generation of PC servers, which now provide the processing power and memory architecture to support high performance network appliance applications. Combined with Napatech Intelligent Real-time Network Analysis adapters, this provides a powerful Universal Network Appliance platform that can be applied and adapted to a broad range of applications.
  • A Guide to Building Universal Network Appliances
  • High Performance Intrusion Prevention Systems

    Find out how the latest generation of standard PC servers combined with Intelligent Real-time Network Analysis adapters can be used to build high-performance Intrusion Prevention Systems (IPS) for 1 Gbps and 10 Gbps networks.
    Standard PC servers now provide the processing power and efficient memory architecture to ensure high-performing application and presentation software, while intelligent Real-time Network Analysis adapters provide full throughput data input/output as well as intelligent off-load and acceleration features to improve the performance of IPS applications.
  • High Performance Intrusion Prevention Systems
  • High Performance Network Security Appliances

    A quick brief on how a new approach to network security appliance development can lead to significant performance gains without breaking the bank!
    By combining the latest generation of standard PC servers  with Intelligent Real-time Network Analysis adapters, OEM appliance manufacturers can reduce cost, risk and time-to-market, while also improving the performance of 1 Gbps and 10 Gbps network security appliances.
  • High Performance Network Security Appliances
  • A Guide to Building High Performance Capture and Replay Appliances

    Find out how the latest generation of standard PC servers combined with Intelligent Real-time Network Analysis adapters can be used to build high-performance Capture and Replay appliance for 1 Gbps and 10 Gbps networks.
    Standard PC servers now provide the processing power and efficient memory architecture to ensure high-performing application software capable of recording and replaying 10 Gbps data at line-speed. Napatech intelligent Real-time Network Analysis adapters ensure that data can be captured and transmitted in real-time at 10 Gbps line-rate, while also providing intelligent features that help achieve the 10 Gbps recording and data retrieval necessary for high performance capture and replay applications.
  • A Guide to Building High Performance Capture and Replay Appliances
  • Scaling Policy Enforcement and Deep Packet Inspection

    The growth in mobile data networks provides a lucrative opportunity for vendors of Deep Packet Inspection and Policy Enforcement systems. However, in order to take advantage of this opportunity, vendors need to ensure that their solutions can scale to keep up with the projected doubling of mobile data traffic each year. By basing development on Deep Packet Capture technology and standard PC servers, it is possible to scale Deep Packet Inspection systems and Policy Servers to meet the challenge. In addition, it allows vendors to focus on the software development of smarter service discovery algorithms, correlation and more user friendly presentation rather than hardware development.
  • Scaling Policy Enforcement and Deep Packet Inspection
  • Ethernet Network Technology Technical Information

    This document gives the user some background information on Ethernet networks that can be useful for understanding some of the features implemented in the Napatech adapters. You can learn about Layer 2-4, Ethernet Throughput and Ethernet Latency.
  • Ethernet Network Technology Technical Information
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Napatech

Napatech enables OEM vendors to build affordable, yet high-performance network analysis systems using standard  servers.
 
Napatech intelligent network adapters can capture packets in real-time at speeds up to 40 Gbps, at zero packet loss, no matter the packet size.
 
Intelligent adapter features include packet decoding, filtering and load balancing on a per flow or per service basis.
 
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