ForewordIntroductionPart I Server Load Balancing (SLB)Chapter 1 Introduction to Server Load BalancingWhy Load Balance?ScalabilityAvailability and RedundancySecurityCost EffectivenessHistory of Server Load BalancingFirst-Generation Load BalancersSecond-Generation Load BalancersThird-Generation Load BalancersCharacterization of the ApplicationProtocol and PortSessions per SecondDuration of TransactionConcurrent SessionsIdle TimeoutBack End SessionsSession StickinessSLB and SLB ModesDispatch ModeDirected ModeSLB DesignsLayer 2 DesignLayer 3 DesignOne-Armed DesignDirect Server ReturnDeciding on a Load BalancerReview of Infrastructure Design ConceptsVLANsSTPDot1Q TrunkingDual Homed ServersSummaryChapter 2 Introduction to the Cisco Content Services SwitchCSS 11500 Platforms OverviewCSS 11501CSS 11503CSS 11506CSS 11500 ArchitectureDistributed ArchitectureCSS 11500 ModulesSwitch Control Module for the Cisco 11500SSL Module for the Cisco 11500I/O Modules for the Cisco 11500Session Accelerator Module for the Cisco 11500Load Balancing with CSS 11500Services, Owners, and Content RulesCSS 11500 Flow OverviewWebNS Software FeaturesInfrastructure-Level FeaturesLoad-Balancing AlgorithmsHigh AvailabilitySSL Integration for Security and PerformanceLocal and Global Load BalancingSite and System SecuritySummary of WebNS FeaturesCase Study: CSS-Based SolutionServer and Application RequirementsManagement and Security RequirementsInfrastructure RequirementsDesign OptionsTraffic FlowTest and VerificationSummaryChapter 3 Introduction to the Cisco Content Switching ModuleBenefits of the Content Switch ModuleCSM ArchitectureLoad Balancing with Content Switching ModuleReal Server, Virtual Server, SLB Policy, and MoreLoad Balancing MethodsVLAN TagClient Group (Access Control List)IP Protocol SupportHigh AvailabilityConnection RedundancyUser Session PersistenceA Typical CSM Traffic FlowRouting with CSMCSM Network Integration OptionsCSM Layer 2 Design Bridged ModeCSM Layer 3 Design I Routed Mode with MSFC on the Client SideCSM Layer 3 Design II Routed Mode with MSFC on the Server SideCSM Layer 3 Design III One-Armed CSM DesignCSM Layer 3 Design IV Direct Server ReturnCase Study: CSM-Based SolutionServer and Application RequirementsManagement and Security RequirementsInfrastructure RequirementsDesign OptionsTraffic FlowTest and VerificationSummaryChapter 4 Layer 7 Load Balancing and Content CustomizationBenefits of Layer 7 Load BalancingScalability and Application AccelerationSession PersistenceContent CustomizationIntroduction to TCPData SegmentsTCP HeadersTCP Connection Establishment and TerminationTCP Flow ControlIntroduction to HTTPProtocol DetailsHTTP Header FieldsDifferences Between HTTP Versions 1.0 and 1.1Layer 7 Load Balancing MechanismsHTTP Methods-Based Load BalancingHTTP URL-Based Load BalancingHTTP Cookie-Based Load BalancingHTTP Cookie Passive-Based PersistenceHTTP Cookie Learn-Based PersistenceHTTP Cookie Insert-Based PersistenceCase Study: Layer 7-Based SolutionServer and Applica.