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Opensource Routing (with OpenBSD)

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Opensource Routing (with OpenBSD)
Subtitle
Running an enterprise network on OpenBSD
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42
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CC Attribution 3.0 Unported:
You are free to use, adapt and copy, distribute and transmit the work or content in adapted or unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
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This talk will provide insight into the network components of a hosting business and the role OpenBSD software can serve there. I will show examples of what works, what pitfalls are to be reckoned with and how to avoid them, with emphasis on the network (and system-)administrators point of view. My talk will describe the components of a enterprise network, based on real world examples (a hosting company network, and a eyeball/access network). The description will focus on IP routing inside the network and connectivity to the internet, and describe how far open source software on modern hardware can push the performance envelope compared to hardware based routers in the core. I will show what one can gain from using OpenBSD in this role and were the current limits are. Further areas i will touch (time permitting) are the capabilities of OpenBSD software for * monitoring * loadbalancers/firewalls * traffic analysis * running Virtual Private Networks and * how to design the network for resilience and safe operation I also want to cover the aspect of maintenance and upgrades and how to handle changes to the network and changes in the software while keeping the network running. I will try to present the topic in a way that is helpful to admins who need to start or expand a network and need additional tools at hand.
Open sourceComputer networkSystem administratorOpen sourceSoftwarePoint (geometry)Physical systemSystem administratorVideo gameLaptopProcess (computing)MultilaterationInternet service providerMereologyComputer animation
Communications protocolComputer networkAerodynamicsRoutingDemonSoftwareBitTablet computerFluid staticsRoutingServer (computing)Virtual machineSphereLaptopComputer iconPoint (geometry)Link (knot theory)Communications protocolOffice suiteUsabilityComputer animation
RoutingAerodynamicsComputer networkData managementPlane (geometry)InformationFibonacci numberDemonCommunications protocolOpen setPhysical systemRippingBorder Gateway ProtocolInterior (topology)Gateway (telecommunications)SoftwareDifferent (Kate Ryan album)WordLocal area networkBitVirtual machineKernel (computing)RippingData managementPlanningCommunications protocolComputer hardwareCategory of beingSpecial unitary groupDijkstra's algorithm1 (number)Revision controlElectronic mailing listIn-System-ProgrammierungSocial classCountingOpen setInformationTable (information)Physical systemInternetworkingFilm editingTransportation theory (mathematics)Point (geometry)Right angleRouter (computing)Workstation <Musikinstrument>SPARCAreaComputer animation
State of matterAddress spaceRevision controlLink (knot theory)Communications protocolDijkstra's algorithmAlgorithmFibonacci numberInformationSoftwareTable (information)Router (computing)Interface (computing)Revision controlLevel (video gaming)Configuration spaceDemonDijkstra's algorithmDatabaseImplementationState of matterComputer animation
Computer networkAreaTape driveRouter (computing)Server (computing)IP addressVirtual machineConfiguration spaceSoftwareGraph drawingTable (information)RippingRouter (computing)InformationTouchscreenMereologyBlock (periodic table)Computer animation
Fibonacci numberConfiguration spaceRouter (computing)AreaInterface (computing)Metric systemRouter (computing)Interface (computing)AreaCASE <Informatik>SoftwareLine (geometry)RoutingTable (information)Fibonacci numberDefault (computer science)Computer animation
Physical systemRouter (computing)Message passingVector spaceCommunications protocolCommunications protocolMultiplication signDecision theoryPeer-to-peerAutonomous System (Internet)DistanceLengthVector spaceElectronic mailing listRouter (computing)RoutingSoftwareNumberIn-System-ProgrammierungHidden Markov modelComputer animation
InternetworkingTable (information)InternetworkingConnected spaceDecision theoryRoutingSoftwareChainLink (knot theory)Moment (mathematics)Band matrixView (database)Standard deviationType theory1 (number)Computer animation
Computer networkFlagGateway (telecommunications)Autonomous System (Internet)RippingInformationConnected spaceCASE <Informatik>SoftwareConfiguration spaceNumberIP addressLink (knot theory)Virtual machineBlock (periodic table)Computer animation
Complex analysisDigital filterLocal GroupSoftwareBand matrixRule of inferenceLink (knot theory)RoutingPeer-to-peerDefault (computer science)InternetworkingAlgorithmRouter (computing)LengthCASE <Informatik>Table (information)Commitment schemeDecision theoryChannel capacityRippingDirection (geometry)Computer animation
FlagInformationRoutingLink (knot theory)Streaming mediaInternetworkingLengthTable (information)CuboidRule of inferenceExterior algebraView (database)SoftwareDatabase normalizationAlgorithmGroup actionVirtual machineConnected spaceRouter (computing)CASE <Informatik>Decision theoryRippingAddress spaceComputer animation
Process (computing)Decision theoryDigital filterLocal ringAlgorithmWeightAttribute grammarRoutingDecision theoryMultiplication signProcess (computing)Point (geometry)Web pageProgrammschleifePeer-to-peerInformationSelectivity (electronic)SoftwareStandard deviationMetropolitan area networkComputer animation
Computer networkCommunications protocolGateway (telecommunications)Fibonacci numberRouter (computing)Reflection (mathematics)BitRoutingDatabase normalizationConnected spaceUniform resource locatorDataflowDirection (geometry)SoftwareRouter (computing)Virtual machineBlock (periodic table)Default (computer science)InternetworkingPolygon meshAlgorithmInformationClient (computing)MereologyComputer animation
Digital filterComputer networkAddress spaceFilter <Stochastik>Rule of inferenceSoftwareAddress spaceDenial-of-service attackOpen sourceComputer wormAlgorithmReverse engineeringBitWeightBlock (periodic table)RoutingScaling (geometry)YouTubeResultantHierarchyDatabaseAutomationPoint (geometry)Multiplication signComputer animation
Database normalizationServer (computing)Exception handlingDefault (computer science)Client (computing)Address spaceCommunications protocolBackupVirtual machineInterface (computing)State of matterPersonal digital assistantSynchronizationDefault (computer science)Gateway (telecommunications)Database normalizationSynchronizationDiagramSoftware maintenanceSoftwareVirtual machineCommunications protocolAddress spaceComputer animation
Database normalizationBackupState of matterBackupAsynchronous Transfer ModeVirtual machineLastteilungRight angleDemonState of matterReal numberChemical equationMultiplication signComputer configurationService (economics)Connected spaceSoftwareInterface (computing)CASE <Informatik>InternetworkingAddress spaceUnicastingverfahrenComputer animation
RippingInstallation artSource codeBitDemonShared memoryComplex analysisComputer animation
Communications protocolWritingStandard deviationPublic domainComputer animation
Table (information)Interface (computing)Set (mathematics)Router (computing)Data managementComputer networkPublic domainSoftwareConfiguration spaceDifferent (Kate Ryan album)Content (media)Crash (computing)Public domainData managementTable (information)Virtual machineCASE <Informatik>Interface (computing)Set (mathematics)Computer animation
Mathematical analysisImplementationState of matterMereologyComputer networkBlogLink (knot theory)DataflowWeightImplementationMathematical analysisStatisticsPeer-to-peerMultiplication signSoftwareState of matterComputer animation
Stack (abstract data type)MeasurementComputer networkRouter (computing)Stack (abstract data type)Limit (category theory)SoftwareRouter (computing)MeasurementPlastikkarte2 (number)Sinc functionMoment (mathematics)Point (geometry)Computer animation
Strategy gameElectric currentGoodness of fitConfiguration spaceWeightStrategy gameSoftware testingProduct (business)Online helpRevision controlOpen sourceImplementationBoss CorporationPresentation of a groupSoftware developerLimit (category theory)Ocean currentSlide ruleInternetworkingIntegrated development environmentComputer animation
Open sourceOpen setState of matterInternetworkingOpen sourceSoftwareImplementationDemonDifferent (Kate Ryan album)RoutingStatisticsComputer animation
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Transcript: English(auto-generated)