Getting Started with Citrix ADC
Deploy a Citrix ADC VPX instance
安装a Citrix ADC VPX instance on Linux-KVM platform
Prerequisites for Installing Citrix ADC VPX Virtual Appliances on Linux-KVM Platform
Provisioning the Citrix ADC Virtual Appliance by using OpenStack
Provisioning the Citrix ADC Virtual Appliance by using the Virtual Machine Manager
Configuring Citrix ADC Virtual Appliances to Use SR-IOV Network Interface
Configuring Citrix ADC Virtual Appliances to use PCI Passthrough Network Interface
Provisioning the Citrix ADC Virtual Appliance by using the virsh Program
Provisioning the Citrix ADC Virtual Appliance with SR-IOV, on OpenStack
Configuring a Citrix ADC VPX Instance on KVM to Use OVS DPDK-Based Host Interfaces
Deploy a Citrix ADC VPX instance on Microsoft Azure
Network architecture for Citrix ADC VPX instances on Microsoft Azure
Configure multiple IP addresses for a Citrix ADC VPX standalone instance
Configure a high-availability setup with multiple IP addresses and NICs
Configure a high-availability setup with multiple IP addresses and NICs by using PowerShell commands
Configure HA-INC nodes by using the Citrix high availability template with Azure ILB
Configure address pools (IIP) for a Citrix Gateway appliance
Upgrade and downgrade a Citrix ADC appliance
Solutions for Telecom Service Providers
Load Balance Control-Plane Traffic that is based on Diameter, SIP, and SMPP Protocols
Provide Subscriber Load Distribution Using GSLB Across Core-Networks of a Telecom Service Provider
Authentication, authorization, and auditing application traffic
Configuring authentication, authorization, and auditing policies
Configuring Authentication, authorization, and auditing with commonly used protocols
Use an on-premises Citrix Gateway as the identity provider for Citrix Cloud
Troubleshoot authentication issues in Citrix ADC and Citrix Gateway with aaad.debug module
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Persistence and persistent connections
Advanced load balancing settings
Gradually stepping up the load on a new service with virtual server–level slow start
Protect applications on protected servers against traffic surges
Retrieve location details from user IP address using geolocation database
Use source IP address of the client when connecting to the server
Use client source IP address for backend communication in a v4-v6 load balancing configuration
Set a limit on number of requests per connection to the server
Configure automatic state transition based on percentage health of bound services
Use case 2: Configure rule based persistence based on a name-value pair in a TCP byte stream
Use case 3: Configure load balancing in direct server return mode
Use case 6: Configure load balancing in DSR mode for IPv6 networks by using the TOS field
Use case 7: Configure load balancing in DSR mode by using IP Over IP
Use case 10: Load balancing of intrusion detection system servers
Use case 11: Isolating network traffic using listen policies
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SureConnect
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Authentication and authorization
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Configuring a CloudBridge Connector Tunnel between two Datacenters
Configuring CloudBridge Connector between Datacenter and AWS Cloud
Configuring a CloudBridge Connector Tunnel Between a Datacenter and Azure Cloud
Configuring CloudBridge Connector Tunnel between Datacenter and SoftLayer Enterprise Cloud
Configuring a CloudBridge Connector Tunnel Between a Citrix ADC Appliance and Cisco IOS Device
CloudBridge Connector Tunnel Diagnostics and Troubleshooting
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Synchronizing Configuration Files in a High Availability Setup
Restricting High-Availability Synchronization Traffic to a VLAN
Understanding the High Availability Health Check Computation
Managing High Availability Heartbeat Messages on a Citrix ADC Appliance
Remove and Replace a Citrix ADC in a High Availability Setup
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SureConnect
Warning
SureConnect (SC) is deprecated from NetScaler 12.0 build 56.20 onwards and as an alternative, Citrix recommends you to use the AppQoE feature. For more information, seeAppQoE.
You can use the SureConnect feature of the Citrix ADC appliance to service all incoming connections with either the requested content or a custom Web page that displays information about a delay in the request being serviced. ` When servers are overloaded with the requests, the servers might either respond slowly or not at all. The SureConnect feature enables the Citrix ADC appliance to detect and compensate such conditions by ensuring that every client request gets serviced in some way, such as either a custom Web page or actual content is sent to the client.
SureConnect is activated when the response time or maximum server connections to a client request exceeds a limit that you have set. The SureConnect browser window displays one of the following:
- A progress bar with the amount of time remaining until the requested content will be available.
- Alternate Web content of your choice (alternate page).
- Both a progress bar and alternate page.
- Complete custom content of your choice.
You can configure whether the SureConnect progress bar alone is displayed or both the progress bar and the alternate page are displayed.
When the server becomes responsive again, the original request for content is served. If the user chooses, the alternate content window can remain in focus.
Subsequent requests from the same user within the same session are served immediately. This can be configured using the settings described later in this section.
SureConnect can be activated when a response is delayed, and when the number of user connections to a given URL exceeds a specified threshold.
SureConnect works with all standard browsers, including Microsoft Internet Explorer, Netscape Navigator, and Mozilla Firefox.
SureConnect is advantageous in the following situations:
Full server queue:The server can respond fast, but there are too many users. This results in the server’s queue being full and unable to process additional client requests.
SureConnect Solution:In this situation, the SureConnect window is displayed, showing the time left until the content will be available. The alternate page is displayed under the progress bar, if an alternate page has been configured.
大的响应延迟:The server response is slow. Typically, if a Web server does not respond to a client request quickly, the user will leave the site.
SureConnect Solution:When the predicted delay reaches a configured time threshold, the SureConnect window displays the progress bar and the optional alternate page in the client browser.
Client time-out:When the client requests content from a very slow Web site, a time-out message displays in the client browser, and the content is not delivered. The user may leave the site.
SureConnect Solution:The appliance stores the request until the server is no longer busy and delivers the requested content to the client.
Server experiencing a traffic surge:The server typically responds quickly, but the current load of open connections is greater than the server capacity to serve them. Therefore, the server response is delayed.
SureConnect Solution:A SureConnect window is displayed in the client browser, showing the time left. The alternate page from the server is also displayed if it has been configured.
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