System and method of identification of packet nodes
摘要
說(shuō)明書(shū)
The traditional approach for finding section of the network experiencing packet loss in a service provider's network is using the protocol of ping and traceroute utilities. While pinging to each node from a source node gives out packet loss figures, it must be followed up with the traceroute utility. Traceroute is a widely used traditional utility but, unfortunately, it has major disadvantages. The challenges in the traditional traceroute method, when an ailment like packet loss is being diagnosed for the errant network section are detailed below. Firstly, in the Synthetic Trace based Approach, the trace of the route on which packet loss was detected is an assumption based and it is being assumed that the packets lost followed a path which the trace packet followed which may not necessarily be the case. Secondly, in the Hop oriented Investigation the traceroute requires to be repeated from source to destination and vice versa to finally arrive at hop causing the packet loss. The Hops are transmission links and do not necessarily cause the packet loss and hence further investigation is warranted. Thirdly, in the Reactive Approach the Traceroute, is “fired” after a period of packet loss is observed. There is no pattern recognition-based methodology that gives out results based on sustained behaviour over the user-defined time interval.
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