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Cloudstack to leverage NCC and use NCC for managing all NS devices. Provison Provision NS VPX in CS Computing Fleet when NCC requests for deploying new VPX

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1. Cloud Admin should be able to manage all types of NS devices using NCC

2. Cloud Admin can choose what kind of an NS offering can be used using Service Package from NCC.

3. Admin can leverage service package to use different versions of Netscaler devices.
4. Admin can leverage service package to use Netscaler devices in Shared or Dedicated mode
5. Admin can choose to provision of NS VPX in CS
6. Admin can choose to provision of NS VPX with different Compute offerings
7. CS Accounts and Users should be able to provision these network offerings - which should in-turn provision the Netscaler VPX/SDX instances without any admin intervention - including license application. 
8. CS Accounts and Users should be able to upgrade from one VPX network offering to another which could be another VPX / SDX / MPX offering
9. CS Accounts and Users should be able to setup Netscaler VPX in HA Pairing mode

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Benefits of Using NCC in CloudStack

Capacity pooling across all NetScaler infrastructure. NetScaler Control Center is designed to efficiently pool and manage capacity across all NetScaler appliances including physical (MPX), virtual (VPX), and multi-tenant (SDX) form factors

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1. Support of creation of LB rules on Netscaler devices (VPX or MPX)
2. Support creation of LB HealthChecks policies on Netscaler devices
3. Support creation of LB Stickiness policies on Netscaler devices.
4. Support creation of AutoScaler policies on Netscaler devices.
5. Support creation of GSLB rules on Netscaler devices.
6. Support metering of public IP usage in Netscaler devices
7. Support SSL Termination (SSL termination framework is implemented by Apache Cloudstack community for LB on NS devices). Here is the link for the FS https://cwiki.apache.org/confluence/display/CLOUDSTACK/SSL+Termination+Support
8. Support of deploying guest networks with Managed NetScaler Devices( VPX, MPX, SDX) from NCC.
9. Support of deploying Auto provisoning provisioning NS VPX in CS supported only if the guest network requires Dedicated Mode NetScaler device. NCC will request CloudStack to deployNSVpx in CloudStack only if the network requires dedicated NS VPX 
   

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As the Admin creates the service package in NCC, the title of the Service Package will tell the Capabilities of the Service Package

When the guest network is implemented with above created Network offering, then for the network, NCC device will be mapped.

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Admin has to login to NCC and check checks the Network to Device Mapping.

Managing Guest Network with Pre-Provisioned devices (VPX/MPX) in NCC:

Discussion Notes:

Admin creates guest network with network offering using NS as Service provider and chooses appropriate Service Package. When guest network is to be implemented for LB service, NetscalerElement will be called. NetScaler element will check the network offering and see if the service package is present then it will delegate the call to registered NCCManager. NCC Manager will try to implement the network by reserving a pre existing or already registered device in NCC. Once NCC able to allocate a device for the Network it will send Implement Network as true else it will send false. For True response from NCC, NetscalerElement will send True and NetworkOrchestrator will continue to implement other network services or it will fail the Network Implementation if the response is false.

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