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EXL307
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3 10.5.5.31 10.5.5.201 CAS-02 to Client
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SNAT No modifications to CAS Return traffic passes through LB Most common Client IP not on server logs DSR Requires modifying CAS servers Return traffic doesn’t pass through LB Reduces persistence options Introduces timeout complexity Rarely used (typically large media hosters) LBDG Requires modifying CAS servers Return traffic passes through LB Adds complexity to network routing (need static routes) Client IP is on server logs Recommended
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Solution? Use Cookie based persistence
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Persistence: RequiredPersistence: RecommendedPersistence: Not Required Outlook Web AppOutlook AnywhereOffline Address Book Exchange Control PanelActiveSyncAutoDiscover Exchange Web ServicesAddress Book ServicePOP3 RPC Client Access ServiceRemote PowerShellIMAP4
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WorkloadPreferred Session Persistence MethodMSIT-Deployed Session Persistence Method HTTP-Based Workloads Outlook Web App 1. Client IP 2. App Cookie “OutlookSession” App Cookie “OutlookSession” Exchange Control Panel 1. Client IP 2. App Cookie “OutlookSession” App Cookie “OutlookSession” Exchange ActiveSync 1. Client IP 2. Authorization HTTP header Authorization HTTP header Exchange Web Services 1. Cookie 2. SSL ID App Cookie SSL Session ID (fallback) Outlook Anywhere 1. Client IP 2. No affinity/persistence 3. App Cookie “OutlookSession” No affinity/persistence Offline Address Book 1. Client IP 2. SSL ID SSL ID AutodiscoverNo affinity/persistence TCP Socket Oriented Workloads RPC Client Access1. Client IPClient IP Exchange Address Book1. Client IPClient IP RPC Endpoint Mapper1. Client IPClient IP Post Office Protocol (POP3)No affinity/persistence Internet Message Access Protocol (IMAP4)No affinity/persistence
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SSL Offloading How to Configure SSL Offloading
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demo
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Vendor NameProduct LineWebsite A10AX Series http://www.a10networks.com/ Avanu / CAI NetworksWebmux http://www.avanu.com/products/webmux.htm BarracudaBarracuda Load Balancer http://www.barracudanetworks.com/ns/products/balancer_overview.php CiscoACE (on switch/router) http://www.cisco.com/en/US/products/ps6906/index.html CiscoCSS (dedicated) http://www.cisco.com/en/US/products/hw/contnetw/ps792/ Citrix SystemsNetScaler http://www.citrix.com/English/ps2/products/product.asp?contentID=21679 BrocadeServerIron http://www.brocade.com/sites/dotcom/products-solutions/products/ethernet- switches-routers/application-delivery/product-details/serveriron-adx- series/index.page F5Big IP Local Traffic Manager http://www.f5.com/products/big-ip/ KempLoadMaster http://www.kemptechnologies.com/en/load-balancer.html RadWareAppDirector http://www.radware.com/Products/ApplicationDelivery/AppDirector/default.aspx
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www.microsoft.com/teched Sessions On-Demand & CommunityMicrosoft Certification & Training Resources Resources for IT ProfessionalsResources for Developers www.microsoft.com/learning http://microsoft.com/technet http://microsoft.com/msdn http://northamerica.msteched.com Connect. Share. Discuss.
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