Introducing Network and Application Performance Monitoring – the new equation for faster problem-solving

Organisations are increasingly dependent on the performance of their business applications – which, in turn, depend on the performance of their network infrastructure.为确保业务顺利进行,应用和网络的性能必须进行最高水平的维护。

传统方式是由不同团队运行不同系统,分别监控网络和应用的性能。However, this is becoming more difficult as virtualisation extends from the data centre to the desktop and the use of cloud services continues to grow.当在混合云环境中发生应用程序问题时,企业如何确定是其自身的基础设施还是其云服务供应商的基础设施发生了问题。Trying to work out who owns a problem when all groups are reporting green KPIs is increasingly difficult and time-consuming.

A recent survey* of network professionals conducted by NETSCOUT indicated that more than half do not have the tools they need to quickly and accurately identify issues with VoIP, applications and other network performance issues.Organisations need end-to-end visibility across layers 1-7, from the data centre to the branch office, if they are to identify the source of any performance problems quickly and solve them before incurring costly downtime.

新兴解决方案名为网络和应用性能监控:Network and Application Performance Monitoring, which is also referred to as Network Performance Monitoring and Diagnostics (NPMD).

网络和应用性能监控是监控、分析和诊断网络与应用的方法。It takes an application-centric view of everything happening across the network, providing end-to-end visibility of the network and applications and their interdependencies, and enabling engineers to monitor and optimise the end user experience.它并非以编码视角观察应用,而是查看其部署和执行方式。

网络和应用性能监控利用应用和网络性能方法中的数据点,让 IT 的所有分支机构联合确保应用和网络的最佳性能。它帮助工程师克服由虚拟化、BYOD 和云服务带来的可视性挑战,并确定问题在网络路径上的位置。同时还提供应用性能数据,以确定用户何时的响应时间性能较差以及哪种应用组件造成延时。这种可操作的性能数据可与应用团队分享以确定导致问题发生的根源以及需要注意哪个组件。

In the data centre, organisation can realise tangible benefits from gaining visibility into where and when the network is busy.The ability to distinguish between critical business use and non-critical or recreational use, showing data in a form factor which they understand, helps to identify quickly which links need additional bandwidth and which can be reduced.This enables better control of IT budgets, allowing for future expansion through the analysis of growth patterns in application use.

Strictly speaking Network and Application Performance Monitoring is defined as giving visibility across LAN, WAN and data centre environments – including all tiers of the server and application environment, whether virtual or physical – as well as layers 1-7, while supporting rates from 1 to 10Gbps.The Network and Application Performance Monitoring solution developed by NETSCOUT extends this further by adding the ability to monitor and troubleshoot the wireless infrastructure and to support remote locations through a portable form factor if more in-depth visibility is needed – providing comprehensive visibility from the data centre to the user device.

Network and Application Performance Monitoring provides seven key benefits:

  • End-to-end infrastructure visibility - it brings together key data points from network management systems (NMS) and application performance management systems, providing a single dashboard view and helping engineers monitor KPIs and track device performance and usage.
  • Faster problem-solving – different IT teams can work together using common tools to resolve issues.
  • Improved user experience – applications can exist in many different places and different infrastructure tiers, making it difficult to discover root cause of problems, but Network and Application Performance Monitoring enables teams to monitor all levels of the user experience and address issues before they become serious.
  • Enhanced productivity – by speeding up MTTR (mean time to resolution), Network and Application Performance Monitoring reduces expensive downtime and improves overall quality of service.
  • Cost savings – an Network and Application Performance Monitoring solution eliminates the need to use multiple tools to monitor the network and application infrastructure.
  • Improved infrastructure optimisation – Network and Application Performance Monitoring enables engineers to identify poor performance and prioritise projects such as server upgrades, make the business case for approval and verify the results.It also provides data to support capacity planning.
  • Better business understanding of IT - Network and Application Performance Monitoring helps executives understand the cost of running critical applications and the impact if they go offline, as well as the dependencies between critical applications and the supporting infrastructure.

网络和应用性能监控系统的主要特征

Network and Application Performance Monitoring provides performance data from both network and applications, including stream-to-disk packet storage, application response time analytics, IPFIX (NetFlow) and SNMP.A performance map enables users to watch over the entire enterprise network and isolate individual elements, transactions or even packets, either real time or back in time.

Data is shown on a single dashboard so everyone can see network and application performance metrics.Users can customise the dashboard to suit their individual responsibilities, but they can also see adjacent areas, so cross-functional teams can work together to solve problems and know that they are all seeing the same information.

If a link has errors or high utilisation, they can use a mouse to dive deeper into the transaction and find out why it might be introducing latency to all the upstream transactions.Every device in the path can be analysed (Figure 1).Simple logical workflows enable the user to isolate a problem down to the individual network element, transaction or even packet behind any performance event – real time or historic.

An Network and Application Performance Monitoring system stores all data flows, transactions and packets, so engineers can reconstruct events, use flow forensics for back-in-time identification of traffic on key links, and even play back VoIP calls and video streams.This is particularly useful for solving historic problems.It helps monitor SLAs and links to the cloud to ensure providers are meeting their SLAs, and assess where extra bandwidth might be needed by showing instant real-time bandwidth usage.

However you implement it, Network and Application Performance Monitoring is something we can expect to hear a lot more about in data centres in 2014.

*NETSCOUT 市场调查,2013

 

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