Citrix did a lot of announcements on cloud products the last year(s) as Barry Schiffer already covered here. One of the core products of this cloud offer is the Citrix NetScaler.. Or AGEE.. Or AGE.. So after discussing this several times with customers I decided to write a blog post on the difference in Citrix NetScaler products and versions.
So I went to the Citrix product website for Citrix NetScaler and I opened up eDocs on the Citrix NetScaler and came up with the following comparison:
|MPX||Full portfolio of hardware-based app delivery appliances delivering 500 Mbps to 120 Gbps of performance.|
|VPX||Software-based virtual appliances that run on widely deployed hypervisors and support 10 Mbps to 3 Gbps performance levels.|
|SDX||Hardware-based appliances with advanced virtualization to consolidate up to 40 independently-managed NetScaler instances with up to 50 Gbps of overall performance.|
|NetScaler on AWS||The full suite of NetScaler capabilities is now available on the Amazon Web Services (AWS) environment.|
So the first choice is the base platform, can you do with a virtual appliance or do you need a physical appliance? Based on “With Citrix AG and CSG going away, how far can you get with NetScaler VPX? The answer: pretty far!” by Julien Stanojevic you don’t have to go with scaling figures provided by Citrix. Although the MPX and SDX do have additional hardware to offload SSL to the NetScaler so that can be of influence when choosing your platform.
Citrix NetScaler ADC
The Citrix NetScaler ADC is the Citrix solution for load balancing and content switching, application offloading, attack protection, application firewalling and more. It enables the datacenter network to become an end-to-end service delivery fabric to optimize the delivery of all web applications, cloud-based services, virtual desktops, enterprise business apps and mobile services.
The Citrix NetScaler ADC is available in the following versions:
|Advanced server offload||Standard||Enterprise||Platinum|
|Compute intensive task offload||X||X||X|
|Repetitive network processing offload||X||X||X|
|Surge protection and enforcement||X||X|
|Unified policy engine||X||X||X|
|Wire speed concurrent execution||X||X||X|
|Advanced multilevel compression||X||X|
|User experience monitor||X|
|Dynamic content caching||X|
|Open scalable platform|
|Single software architecture||X||X||X|
|Multi-core, multi-processor design||X||X||X|
|End-to-end web security|
|Secure remote access||X||X||X|
|Day Zero attack prevention||X|
|Integrated XML security||X|
|Authentication, authorization, and audit||X||X|
|XenMobile NetScaler Connector||X||X||X|
|Visual policy builder||X||X||X|
|Preconfigured app templates||X||X||X|
|Easy application configuration||X||X||X|
|Dynamic workload response|
|Overload sense and alert||X||X||X|
|Activate capacity on demand||X||X||X|
|Full app networking metrics visibility||X||X||X|
|L4 load balancing||X||X||X|
|Intelligent content switching||X||X||X|
|High availability (HA)||X||X||X|
|GSLB for web and client server applications||X||X|
|Database Load Balancing||X||X||X|
|Compression and caching|
|Industry standard browser compression||X||X|
|Intelligent cache redirect||X||X|
|Static and dynamic content cache||X|
|Web 2.0 optimization|
|Rich Internet application support||X||X||X|
|Advanced server offload||X||X|
source: NetScaler ADC Features
This should be an easy decision as well, if you need a more technical explanation of these features you can use the NetScaler Data Sheet.
So far so good one would say so I went to the Citrix download site just to get some screenshots from the downloads and there’s more NetScaler goodness as the NetScaler ADC, the NetScaler Gateway, NetScaler AppFirewall and NetScaler Branch Repeater are listed there!
Citrix NetScaler Gateway
The Citrix NetScaler Gateway (formerly Citrix Access Gateway) is the renew CAG on the Citrix NetScaler code. Basically you get a NetScaler limited in functionality for remote access only.. It starts like a normal NetScaler until you upload the license file and after the upload you’ll get a limited interface although this NetScaler Gateway offers great scalability for remote access.
The Citrix NetScaler Gateway is available in the following versions:
- Enterprise Edition (NetScaler)
- Standard Edition (CAG)
- Advanced Edition (CAG)
Jon Jager pointed out that I missed the Access Controller (former Advance Access Controls) so I thought it would be a good idea to mention AC too:
The Access Controller adds functionality to the Access Gateway:
- Native Active Directory Authentication
- Advanced Endpoint Analysis
- Centralized control of Access Gateway appliances
- Session sharing across multiple Access Gateway appliances
- Centralized logging
- Delivery Services Console
AppFirewall ensures Payment Card Industry Data Security Standards (PCI-DSS) compliance through its PCI-DSS support and reporting tool. The compliance reporting tool shows AppFirewall settings relevant to PCI-DSS, how they should be configured and if they are being met. If a setting is found to be non-compliant, AppFirewall provides steps to rectify the situation. As far as I can tell the AppFirewall is an edition to the Citrix NetScaler Enterprise Edition.
NetScaler Branch repeater
The Citrix NetScaler Branch Repeater is merging with the Citrix CloudBridge product family to provide a WAN optimization solution to scale services securely across branch, datacenter and cloud.
Citrix Branch Repeater provides a service-centric WAN optimization solution that accelerates, controls and optimizes all services—desktops, applications, multimedia and more—for branch and mobile users while dramatically reducing IT costs.
The NetScaler Branch repeater is available in the following versions:
- Acceleration Plug-in/Repeater Plug-in for Citrix Receiver
- Branch Repeater and Repeater (formerly WANScaler)
- Branch Repeater VPX
- Branch Repeater with Windows Server
I hope this article will shed some light into the dark of the NetScaler jungle and the choice on platform and versions can be made based on a clear comparison of versions and features.
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