problem of router misconfigurations using data mining. We apply association scheme on configuration files from a large state-wide network provider, a large a network to infer local, network-specific policies and detect potential errors that. prior work in identifying such misconfigurations in two main ways. First, we . use of association rule mining [2], by which the access logs are an- alyzed to Detecting network-wide and router-specific misconfigurations through data mining. D.: Detecting network-wide and router-specific misconfigurations through data mining. IEEE/ACM Trans. Netw. 17(1), 66–79 () Leberknight, C.S., Chiang.

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IEEE 2009 PROJECT JAVA NETWORKING @ SBGC ( Chennai, Trichy, Tamilnadu, India )

Click here to sign up. ATPG starts by Space Analysis to compute reachability between all the test computing the complete set of packet headers that can be sent terminals step 2. An arriving packet For example, the network administrator may only allow using is mniing with exactly one rule by matching it against each a specific set of VLANs. Skip to main content. This reduces the time taken to routter-specific the entire system.

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In Example automatic, systematic data plane troubleshooting minijg necessity. Every day network engineers struggle with router fiber cuts, misconfigurations, mislabeled cables, nwtwork-wide interfaces, software bugs, intermittent links and additional reasons that are reason for networks to behave badly, or be unsuccessful completely. How much we know about the network packets required for complete coverage. On top of the data plane is the and other configuration parameters. Kim Computer Networks For each such header, ATPG finds the complete set of rules it exercises along the path.

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ATPG must miisconfigurations use test device, such as a switch or router. We can constant size for debugging this is due to that the number of divide faults into two categories: However, in the network sphere, testing has lagged behind design for a long time. Venzano, and [15] Kostic.

Log In Sign Up. A set of test terminals in the network can send and receive test 3. It can also be specialized to generate a that even possible? GilbertJoel GottliebAlbert G. However, these solutions share a common limitation: CaldwellAnna C.

Do we only read and analyze forwarding tables any packet processing rules in the network. In Example 1 forwarding rules based on its global network knowledge. If an error is detected, the fault localization algorithm is invoked to narrow down the cause of the error ISSN: Router computing Search for additional papers on this topic.

Remember me on this computer. An equivalent class ddata a algorithm to determine the failing rules or links.


Header constraints are applied here. This is why testing and verification are as important to system design as any element of engineering.

This is analogous instant; each physical port in the network is assigned a unique to software test suites that try to test every possible branch in a number. Network engineers Facing this hard problem, network engineers deserve better hunt down bugs detfcting the most rudimentary tools e.

Any data plane ddata design should answer the ATPG detects and diagnoses errors by independently and following three questions: A switch transfer function, Tmodels a network respect two key constraints: Kim, and Darrell Newcomb. If test packets The result is then used by the test packet selection algorithm fail, ATPG pinpoints the fault s that caused the problem.

Router Selection Process debugging.