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 , 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.
|Published (Last):||13 May 2007|
|PDF File Size:||5.78 Mb|
|ePub File Size:||18.64 Mb|
|Price:||Free* [*Free Regsitration Required]|
Citations Publications citing this paper. It can also be specialized to generate a that even possible? Several solutions have been proposed. However, in the network sphere, testing has lagged behind design for a long time. To do so, ATPG applies the all-pairs reachability algorithm described, on every terminal port, an all-x header a header which has all wild carded bits is applied to the transfer function of the first switch connected to each test terminal.
While steps 1 and 2 are described in, steps 3 through vendor-independent and protocol-agnostic model of the 5 are new. ATPG can also be tuned to allocate configuration was changed recently, and concludes that the more test packets to exercise more critical rules. First, flow of packets. Do we only read and analyze forwarding tables any packet processing rules in the network.
Log In Sign Up.
Alice, who administers routers, receives constraints such as requiring test packets from only a few a ticket from several unhappy users complaining about places in the network, or using special routers to generate misconfiburations connectivity.
As each packet pk traverses the network using the network function, the set of rules that match pk are recorded in pk. A switch transfer function, Trputer-specific a network respect two key constraints: Finally, she calls a colleague to replace the line card.
Calaméo – IEEE PROJECT JAVA NETWORKING @ SBGC ( Chennai, Trichy, Tamilnadu, India )
Network engineers Facing this hard problem, network engineers deserve better hunt down bugs using the most rudimentary tools e. Header constraints are applied here. On static reachability analysis of IP networks Geoffrey G.
Detecting Network-Wide and Router-Specific Misconfigurations Through Data Mining
Network engineers chase down bugs by means of the most elementary tools like ping and trace route, and trail down origin causes by means of combination of perception and wisdom. Next, Alice uses her knowledge of the topology to triangulate the faulty device misconfjgurations ping and III.
However, these solutions share a common limitation: For each such header, ATPG finds the complete set of rules it exercises along the path. They can detect a number of problems in real configuration files.
Is link in the network. Skip to main content. This is analogous instant; each physical port in the network is assigned a unique to though test suites that try to test every possible branch in a number. These packets will be sent periodically by the test terminals step 4. In fact, in other fields of traceroute, SNMP, and tcpdumpand track down root causes engineering testing tools have been evolving for a long time.
IEEE 2009 PROJECT JAVA NETWORKING @ SBGC ( Chennai, Trichy, Tamilnadu, India )
Routing design in operational networks: A SOFT way for open ow switch interoperability testing. Venkata Naga Jayudu2 1 P. Click here to sign up. If an error is detected, the fault localization algorithm is invoked to misconfigurwtions down the cause of the error ISSN: Do we know all the forwarding tables and into the network so that every rule is exercised directly from topology, just part of them, or none of them?
An arriving packet For example, the network administrator may only allow using is associated with exactly one rule by thorugh it against each a specific set of VLANs. Debugging time Comparison of a forwarding rule in the topology function.
Franck Le – Publications
Examples of action faults with the growth of the data size which will clearly takes more include unexpected packet loss, a missing rule, congestion, debugging time. Every day network engineers struggle with router fiber cuts, misconfigurations, mislabeled cables, faulty interfaces, software bugs, intermittent links and additional reasons that are reason for networks to behave badly, or be unsuccessful completely.
The paper proposed an ATPG system that generates only a minimal set of test packets and removes the threshold over the file size limitation.
Detecting network-wide and router-specific misconfigurations through data mining. This paper proposes an automatic testing and debugging procedure for verifying the various network conditions and to provide safe reaching of the packets to the desired destination. A quantitative study of firewall configuration errors Avishai Wool Computer The throuth then samples each class to choose test packets, and finally first collects all the detecing state from the network step compresses the resulting set of test packets to find the 1.
Skip to search form Skip to main content. Instead of Let us start by solving the simple white box, dynamic testing reacting to failures, many network operators such as Internet2 problem: