What is VPN and How does it Works

Hi everyone,

I just want you to know that you can now follow XD Tipster on twitter !. I'll post all my blog entries and share lots of little tips and tricks on a weekly basis.

Follow me @xdtipster and spread the word ...

Best regards
Mick Glover (aka Tipster XD)
Senior Specialist preparation, worldwide support [EMEA]
Citrix Systems, Inc.

As mentioned yesterday here and here, we are very proud of Citrix CloudPlatform and the ability to handle both cloud scale-out implementation native workloads and application put to the traditional scale workloads. Let's break this statement down in details. We'll start with native cloud applications scale-out workloads.

native Cloud Scale-Out Applications

We take a look at the underlying infrastructure used to support an application for scale-out native cloud. In this scenario, the infrastructure is often built using basic materials that are not designed to fail or high availability. Any node can fail at any time. Resilience is not built in infrastructure; it is built into the application. In addition to the basic equipment of software defined services are often used, such as software-defined networking (SDN) and Software Defined Storage (SDS), generally object storage. In CloudPlatform wrap us all in one Availability Zone as shown below:

CloudPlatform New in 4.2 is the ability to use Object Storage volume snapshots as well as image models. Additionally, the storage object may be shared between availability zones for more efficient operations.

An additional feature in CloudPlatform 4.2 for native cloud applications is the concept of regions . CloudPlatform introduced regions as an additional element logical hierarchy above areas. Regions may contain more than one availability zone. Each region will have a dedicated management infrastructure to allow disbursement of scenarios and geographical disaster recovery. Regions also enable additional scalability, higher availability, and increased compliance. In addition, the storage object can be configured to replicate across regions.

Finally, back to CloudPlatform 4.2 for native cloud applications, we have a number of improvements in the daily operations of storage and networking:

• Primary Dynamic storage Provisioning provides the flexibility of storage resources in cloud environments by automating common storage management tasks and streamlining the procurement process
• advanced network cloud allowing operators of cloud to create advanced cloud network configurations and network-as-a-service in particular offers new IP portable comprehensive capabilities , Advanced load balancing scenarios (GSLB, Advanced zones) and AWS as healthy controls to ensure application availability, network resources and dedicated VLANs.

traditional Scale-Up Applications

Then we traditional scale-up applications . Start by examining the underlying infrastructure as we did above. The infrastructure typically used for this type of application is very different. Resilience is built into the infrastructure; it is not built into the application. As you can see, the infrastructure requirements for a traditional application are very different from a native application cloud. In this case, the underlying hardware is built for redundancy and resiliency and application expects this environment to maintain operations at any time. A hypervisor management server is often deployed, layer 2 VLANs, hypervisors are grouped into clusters, and the SAN is used. In CloudPlatform wrap us all in one Availability Zone as follows:

Although this topology is not new, CloudPlatform 4.2 brings significant improvements to this architecture that are worth to talk about.

The first major improvement to CloudPlatform 4.2 is better support for multi-level (n-Teir) applications and virtual private clouds (VPC). With the support n-tier, we are able to separate and firewall if needed to provide better security between each access layer. This feature when combined with the existing load balancing and anti-affinity rules / affinity allow an incredible amount of flexibility, reliability and compliance for applications n-tier, all in an environment Secure provided by VPC. An example of a typical three-tier application providing Web, application and database levels:

There are many situations (compliance, security physical, departmental budgets, performance, licensing) where dedicated resources are needed to support traditional workloads. CloudPlatform new in 4.2 is the ability to provide dedicated resources to the host, cluster, and the level of the platform. CloudPlatform supports dedicated CPU, memory, IP network, and disk

Finally, we have some additional improvements to the functionality of existing CloudPlatform that deserve to be mentioned in support traditional applications:

• VMware integrations to perform enterprise application workloads in the cloud and leveraging your existing VMware investments, configurations and expertise. CloudPlatform supports dynamic scaling of CPU and memory on the performance of virtual machines and dvswitch PVLAN and network support for the VMware VM switching and isolation on the same network. In addition, CloudPlatform enables VMware vSphere features such as hot add virtual hardware, VMotion, VMware HA and DRS, CPU & RAM overcommit, VM snapshots, migration storage and storage area off blocks.
• corporate quality network to support the performance, scale and SLA requirements of application workloads to the most demanding production. CloudPlatform integrates directly with the external auditors of application delivery business class (ADC) and networking devices, including Citrix NetScaler, Cisco hardware and software (UCS, Nexus 1000v, ASA1000v), firewalls Juniper and VMware Distributed Virtual switch. CloudPlatform also offers built-in support for DHCP, NAT, Gateway, VPN, Firewall, Port Forwarding, VLAN, Elastic IP, routing, and load balancing.

As you can see Citrix CloudPlatform 4.2 has many new features and enhancements to enable the management of ThE TWO your native cloud and application workloads traditional.

Some NEW resources for more information. Take a look!

• Citrix CloudPlatform Press Release
• Announcement Citrix CloudPlatform Post
• Different Workloads, Different Architectures, One Video Solution
• Advanced Cloud Networking with Citrix CloudPlatform
• logically organize your cloud with cloud Platform Citrix
• How Citrix CloudPlatform Active Enterprise Workloads white Paper
• Future Proofing your cloud: Why Workloads Defining cloud strategy white Paper

See now on Citrix TV

Partners, have you missed the recent recent Citrix and NVIDIA webinar How NVIDIA GRID brings amazing graphics in virtualized experience?

Go to Citrix TV (login required partner) to see how Citrix and NVIDIA together to :.

• allow multiple virtual machines to interact directly with a GPU
• allow graphics-intensive applications to run remotely at impossible speeds to distinguish from using a local GPU

Yes, you really can offer professional 3D graphics cloud - private or public

Hi everyone,

I would like to introduce a new series of blog here Citrix Blogs, the NStipster!

I am a senior specialist preparation (Technical Trainer), Citrix and get to train technical support teams, working with Citrix partners and sometimes customers at events and Citrix Synergy Summit. I plan to cover my main areas of expertise :. NetScaler, NetScaler Gateway, Application Firewall and all other Citrix NetScaler products that implicate

I'll post some longer articles here and also have a twitter account @NStipster for these small little nuggets of information that appears in my head almost on a daily basis.

Welcome to the blog, and we hope that you will learn something new from the advice that I share. We hope you can follow me on twitter (there are some good tweets out there already) and spread the word about Citrix NetScaler.

Thanks,

Andrew Sandford aka NetScaler Predictor!

Follow @NStipster

I am pleased to announce our availability for Lync 203 provisioning support for CloudPortal Manager v11 services. I am happy because I have to do now answer all the emails I receive each week on this subject And this version supports Lync 2013 and Lync 2013 Enterprise Provisioning pooled Hosting pack.

The Lync 2013 hosting service has been developed in accordance with the guide pack v2 Hosting Microsoft multi-tenanted. The topology of the hosting package, based on Lync Online, enables partners to offer a more cost effective topology to manage a large number of tenants with fewer users, which makes the compelling offer to SMB customers. Lync 2013 Enterprise service provides a rich set of catering Unified Messaging features for enterprise customers who require dedicated environments.

The highlights of this release are

• automated provisioning of customer account

• Manage SIP domains
• DNS records provision servers (CName, A and SRV records) for Edge and frontal access

• Managing telephony and policy options via user planes
• Manage SIP address line URIs and URIs Service

• Manage federation black and white lists
• Post aims and plans online customer

you can get more information from the Citrix eDocs guide and you can download the Lync 2013 Module Manager v11 download page CloudPortal services service of.

and if you missed our recent webinar on Cloud Portal Services Manager, make sure you get the presentation and recording our CSP toolkit. It has great information on CPSM v11, our updated support and other resources.

Partners, in case you missed the announcement heard around the world September 18, 2013 this should get you up SPEED- Apple officially launched iOS 7, which includes several features that enable companies to secure and manage iOS devices. At the same time, Citrix has released a 8.5 update XenMobile to provide backward compatibility for iOS 7. In addition, XenMobile improves iOS 7 mobile device and application management capabilities.

Citrix XenMobile 8.5 provides backward compatibility for the new iOS 7 version improves mobile device and application management capabilities. Examples:

First, most business organizations have heterogeneous environments and must support more operating systems than just iOS. Without XenMobile, they will use a different mobile product of the device and the management application for each operating system, which would increase the management complexity and cost. In addition, most organizations require enhanced security. XenMobile extends iOS 7 policies with more than 60 additional policies. For example, at the network layer, XenMobile can block access unsecured public Wi-Fi networks require the use of a specific WLAN SSID. At the data layer, XenMobile can control the ability to copy / paste, print or external sync content from secure managed applications. At the device level, specific applications can be blocked or allowed access to material resources of the device such as the camera or Bluetooth device. In addition, company employees often need to use more than just mobile applications, including desktop, web and SaaS applications. iOS iOS 7 can manage native mobile applications.

XenMobile also helps companies that are interested only in the management of non-application devices. For example, privacy laws in many European countries and the need to manage contractors or temporary workers may require application management without an MDM solution. XenMobile offers this flexibility.

Learn more about iOS 7 and XenMobile. If you have any questions, please go to Jervis Hui.

I encourage everyone to be part of the agitation. Join me by adding your voice to Citrix Partner Uproar!

Also, make sure to follow us on Twitter @CitrixPartners.