Getting Started with Citrix ADC
Deploy a Citrix ADC VPX instance
Optimize Citrix ADC VPX performance on VMware ESX, Linux KVM, and Citrix Hypervisors
Apply Citrix ADC VPX configurations at the first boot of the Citrix ADC appliance in cloud
Install a Citrix ADC VPX instance on Microsoft Hyper-V servers
Install 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
配置一个Citrix ADC VPX本月ance to use Azure accelerated networking
Configure HA-INC nodes by using the Citrix high availability template with Azure ILB
Configure a high-availability setup with Azure external and internal load balancers simultaneously
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
Basic components of authentication, authorization, and auditing configuration
On-premises Citrix Gateway as an identity provider to Citrix Cloud
Authentication, authorization, and auditing configuration for commonly used protocols
Troubleshoot authentication and authorization related issues
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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
Use case 12: Configure Citrix Virtual Desktops for load balancing
Use case 13: Configure Citrix Virtual Apps for load balancing
Use case 14: ShareFile wizard for load balancing Citrix ShareFile
Use case 15: Configure layer 4 load balancing on the Citrix ADC appliance
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Authentication and authorization for System Users
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Configuring a CloudBridge Connector Tunnel between two Datacenters
Configuring a CloudBridge Connector Tunnel Between a Datacenter and Azure Cloud
配置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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Request retry
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Request retry if back-end server resets TCP connection during connection establishment
When a back-end server resets a TCP connection during connection establishment, the request retry feature forwards the request to the next available server, instead of sending the reset to the client. By doing reload balancing, the client saves RTT when the appliance initiates the same request to next available service.
How request retry works when back-end server resets a TCP connection on SYN establishment
The following diagram show the components interact with each other:
- The process starts by enabling appqoe feature on your appliance.
- When the client sends an HTTP or HTTPS request, the load balancing virtual server initiates connection to backend server.
- If the requested service is unavailable on TCP SYN establishment, the back-end server resets the TCP connection.
- If the appqoe configuration has “retry” enabled with the desired number of retry attempts specified, the load balancing virtual server uses the configured load balancing algorithm to forward the request to the next available application server.
- After the load balancing virtual server receives the response, the appliance forwards the response to the client.
- If the available back-end servers is equal or lesser than the retry count and if all the servers send reset, the appliance would respond a 500 internal server error. Consider a scenario with five available servers and the retry count set as six. If all the five servers resets the connection, then the appliance returns a 500 internal server error to the client.
- 类似地,如果后端服务器的数量re than the retry count and if the back-end servers resets the connection on TCP SYN establishment, the appliance forwards the reset to the client. Consider a scenario with three back-end servers and the retry count set as two. If the three servers resets the connection, then the appliance sends a reset packet to the client.
Configure request retry (GET and POST method) when back-end server resets on TCP SYN establishment
The CLI and GUI configuration is similar to steps followed for GET and POST method. For more information, seeConfigure request retry for GET methodtopic, Configure request retry for POST method when back-end server resets a connection section.
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