A-State CIT 4823 - Planning the Site Structure

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Slide 1Slide 2Slide 3Slide 4Slide 5Slide 6Slide 7Slide 8Slide 9Slide 10Slide 11Slide 12Slide 13Slide 14Slide 15Slide 16Slide 17Slide 18Slide 19Slide 2010.1 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 10: Planning the Site StructureGoalsUnderstand sitesDesign a site structureUnderstand operations mastersPlace domain controllers10.2 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 10: Planning the Site StructureSitesLogical representations of physical structureLocations where all computers are well-connectedWell-connected means that all computers in a single site are connected by high-speed, reliable, and cost-effective links (such as a LAN)Sites and site links have three main purposesControlling replicationProviding local logonsControlling certain directory-enabled applications (Dfs)Understanding Sites(Skill 1)10.3 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 10: Planning the Site StructureControlling replicationTypes of replicationIntrasiteOccurs spontaneously based on database changes Allows for fast database convergence, but can be chaotic and bandwidth-intensiveIntersiteOccurs between designated bridgehead servers according to a schedule and interval Always compressedPath can be influenced by modifying the costs associated with site linksUnderstanding Sites (2)(Skill 1)10.4 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 10: Planning the Site StructureSite link propertiesSites participating in the linkSchedule upon which the link should be usedInterval in which replication will occur over the linkCost for the linkUnderstanding Sites (3)(Skill 1)10.5 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 10: Planning the Site StructureFigure 10-2 an example site link(Skill 1)10.6 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 10: Planning the Site StructureSite designAn important aspect of overall Active Directory designComponentsDefining sitesAssociating subnets with sitesDefining site linksDefining site link bridgeDefining preferred bridgeheadsDesigning a Site Structure(Skill 2)10.7 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 10: Planning the Site StructureDefining sitesIn most networks, each physical location is its own siteIf links between locations are fast, reliable, and inexpensive, may be able to combine more than one physical location into a single siteDesigning a Site Structure (2)(Skill 2)10.8 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 10: Planning the Site StructureAssociating subnets with sitesSubnets are used to allow clients to determine the site to which they are connected in order to correctly locate local serversCreate and configure site linksMirror physical connectivitySpecify site link properties: cost, schedule, and intervalDesigning a Site Structure (3)(Skill 2)10.9 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 10: Planning the Site StructureSite link schedule To define, analyze the physical link(s) between sites with a monitoring application to determine periods of peak activity and amount of available bandwidth during periodIf link(s) have a low amount of available bandwidth during peak periods, configure a schedule for the site link that excludes peak periodsDesigning a Site Structure (4)(Skill 2)10.10 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 10: Planning the Site StructureSite link bridgingAutomatically enabled by defaultAllows direct replication to occur between sites that do not have a dedicated site linkDesigning a Site Structure (7)(Skill 2)10.11 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 10: Planning the Site StructurePreferred bridgeheadsBridgeheads are the focus of intersite replicationKnowledge Consistency Checker Creates connection objects only between bridgehead servers for intersite replicationYou can provide KCC with a list of one or more preferred bridgehead serversDesigning a Site Structure (8)(Skill 2)10.12 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 10: Planning the Site StructureFigure 10-8 Automatic site link bridging allows replication from site A to site C(Skill 2)10.13 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 10: Planning the Site StructureFigure 10-10 Specifying a preferred bridgehead server(Skill 2)10.14 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 10: Planning the Site StructureFlexible Single Masters of Operations (FSMOs)Commonly referred to as operations mastersTwo general types of functionsForest-wide operations master rolesSchema masterDomain naming masterDomain-wide operations master rolesPrimary domain controller (PDC) emulatorRelative identifier (RID) masterInfrastructure masterUnderstanding Operations Masters(Skill 3)10.15 © 2004 Pearson Education, Inc.Exam 70-297 Designing a Microsoft® Windows® Server 2003 Active Directory and Network InfrastructureLesson 10: Planning the Site StructureFlexible Single Masters of Operations (FSMOs)When you create the first domain in a new


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A-State CIT 4823 - Planning the Site Structure

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