citrix cloud works with a single management plane white paper
Post on 19-Oct-2014
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With businesses today trying to streamline operations and reduce infrastructure costs, IT is looking at private Infrastructure-as-a-Service clouds to help them become more agile and efficient, while gaining better visibility into how infrastructure such as compute, network and storage is being used in their organizations. In a traditional enterprise datacenter environment, IT has to manage complex operational processes and manually provision resources, which can impede business innovation and agility.TRANSCRIPT
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Citrix Cloud Works… with a Single Management Plane Simple private cloud deployment and management
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Citrix Cloud Works Single Management Plane
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With businesses today trying to streamline operations and reduce
infrastructure costs, IT is looking at private Infrastructure-as-a-Service
�,DD6��FORXGV�WR�KHOS�WKHP�EHFRPH�PRUH�DJLOH�DQG�HIĨFLHQW��ZKLOH�gaining better visibility into how infrastructure such as compute,
network and storage is being used in their organizations. In a
traditional enterprise datacenter environment, IT has to manage
complex operational processes and manually provision resources,
which can impede business innovation and agility.
As a result of this complexity, IT is spending excessive time, staff and money manually onboarding,
supporting and maintaining applications and IT services. With all the different technologies from a
variety of vendors in the datacenter, many of them with their own management consoles, it
EHFRPHV�GLIĨFXOW�DQG�WLPH�FRQVXPLQJ�IRU�,7�VWDII�WR�PDQDJH�WKHP�DV�WKH�HQYLURQPHQW�JURZV�
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Citrix® has a proven track record for helping enterprise organizations build private cloud
deployments that drive real-world business. In order for private cloud deployments to be
successful, the software used to build and manage them must be easy to use, reliable and robust.
Citrix CloudPlatform™, powered by Apache™ CloudStack,® delivers a simple, turnkey cloud
orchestration platform with a single management console for your entire system to enable you to
TXLFNO\�DQG�HIĨFLHQWO\�EXLOG�D�IXWXUH�SURRIHG�FORXG��:LWK�HQWHUSULVH�JUDGH�XSJUDGHV�DQG�PLQLPDO�IT training required, it allows you to get your implementation up and running quickly.
In this paper, we will explore how building a private IaaS cloud with Citrix CloudPlatform can give
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Citrix CloudPlatform is designed to work within your environment, leveraging your existing
infrastructure and allowing you to choose best of breed servers, storage and networking
FRPSRQHQWV��$V�VKRZQ�LQ�ĨJXUH����LW�VXSSRUWV�DOO�PDMRU�K\SHUYLVRUV��D�ODUJH�QXPEHU�RI�VWRUDJH�options and comprehensive networking, including the ability to directly interact with a number of
virtual and physical networking components.
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Citrix Cloud Works Single Management Plane
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7KLV�ĩH[LELOLW\�DOORZV�\RX�WR�TXLFNO\�FXVWRPL]H�\RXU�LQIUDVWUXFWXUH�WR�WKH�QHHGV�RI�\RXU�EXVLQHVV�ZLWKRXW�KDYLQJ�WR�PDNH�FRVWO\�LQYHVWPHQWV�RU�EHLQJ�ORFNHG�LQWR�D�SDUWLFXODU�YHQGRUċV�LQIUDVWUXFWXUH�UHTXLUHPHQWV�
/HWċV�WDNH�D�ORRN�DW�WKH�DUFKLWHFWXUH�IRU�&LWUL[�&ORXG3ODWIRUP��WR�JDLQ�VRPH�YDOXDEOH�LQVLJKW�LQWR�WKH�steps of managing and deploying your cloud infrastructure.
Deployment Architecture Overview When setting up Citrix CloudPlatform, it is important to understand the cloud infrastructure
organization. The cloud infrastructure is organized as follows:
• Host: A single compute node within a cluster. The hosts are where the actual cloud services run
in the form of guest virtual machines.
• Cluster: A cluster consists of one or more hosts and primary storage.
• Pod: A pod is usually one rack of hardware that includes a layer-2 switch and one or more clusters.
• Zone: Typically, a zone is equivalent to a single datacenter. A zone consists of one or more pods
and secondary storage.
• Region: To increase reliability of the cloud, you can optionally group resources into multiple
geographic regions. A region consists of one or more zones.
• Primary storage is associated with a cluster, and it can also be provisioned on a zone-wide basis.
It stores the disk volumes for all the VMs running on hosts in that cluster.
• Secondary storage�LV�DVVRFLDWHG�ZLWK�D�]RQH��DQG�LW�FDQ�DOVR�EH�SURYLVLRQHG�DV�REMHFW�VWRUDJH�WKDW�is available throughout the cloud. It stores templates, ISO images, and disk volume snapshots.
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CloudPlatform NetworkingCloudPlatform offers two types of networking scenarios:
��� BASIC provides a single network where guest isolation can be provided through layer-3 means
VXFK�DV�VHFXULW\�JURXSV��,3�DGGUHVV�VRXUFH�ĨOWHULQJ��2. ADVANCED is for more sophisticated network topologies. This network model provides the
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CloudPlatform StoragePrimary storage is used for all active VM storage of both root and data disks. This storage is local to
the CloudPlatform pod and is directly available to the hypervisors hosts in the pod. The two
universally supported connection methods are NFS and iSCSI, and CloudPlatform manages these
connections. Additionally, options exist for Fibre Channel (FC) and local storage, but these options
do vary by hypervisor type.
Primary storage is associated with a cluster, or a zone (in KVM and VMware), and it stores the disk
volumes for all the VMs running on hosts.
Secondary storage is used for all template, ISO and volume snapshot activities. This storage is local
to each CloudPlatform availability zone and is accessed through the CloudPlatform secondary
storage server. This system VM connects to the underlying secondary storage device using NFS.
Secondary storage stores the following:
• 7HPSODWHV�ĉ�26�LPDJHV�WKDW�FDQ�EH�XVHG�WR�ERRW�90V�DQG�FDQ�LQFOXGH�DGGLWLRQDO�FRQĨJXUDWLRQ�information, such as installed applications
• ISO images — disc images containing data or bootable media for operating systems
• Disk volume snapshots — saved copies of VM data which can be used for data recovery or to
create new templates
Figure 2. Citrix CloudPlatform architecture example.
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A Common Management PlaneCitrix CloudPlatform enables the consolidation of disparate infrastructures into one common
PDQDJHPHQW�SODQH��$�FRPPRQ�PDQDJHPHQW�SODQH�RIIHUV�PDQ\�EHQHĨWV�IRU�WKH�DXWRPDWLRQ�DQG�provisioning of your resources, which in turn, enables your business to be more agile and to reduce costs.
IT Administrators gain a holistic view of resources using either the Citrix CloudPlatform web
interface or working directly with its APIs. Administrators can provision, view, and manage the
FORXG�LQIUDVWUXFWXUH�LQFOXVLYH�RI�GRPDLQV��XVHU�DFFRXQWV��SURMHFWV�DQG�FRQĨJXUDWLRQ�VHWWLQJV��7KH�Citrix CloudPlatform Management Server is built to scale out along with the underlying resources,
and can manage tens of thousands of servers within a single region across geographically
distributed datacenters and from a single pane of glass.
When you set up and manage a CloudPlatform cloud, you provision resources such as hosts,
storage devices and IP addresses into the Management Server, and the Management Server
manages those resources.
The Management Server is the CloudPlatform software that manages cloud resources. By
LQWHUDFWLQJ�ZLWK�WKH�0DQDJHPHQW�6HUYHU�WKURXJK�LWV�8,��WKH�FRQVROH��RU�$3,��\RX�FDQ�FRQĨJXUH�DQG�manage your cloud infrastructure. The centralized management server scales linearly, eliminating
the need for intermediate cluster-level management servers.
The Management Server runs on a dedicated server or VM. It controls allocation of virtual
machines to hosts and assigns storage and IP addresses to the virtual machine instances. The
Management Server:
• Provides the web user interface for the administrator and a user interface for end users.
• Provides the APIs for CloudPlatform. For a list of APIs, refer to the API reference:
KWWS���VXSSRUW�FLWUL[�FRP�DUWLFOH�&7;������.
• Manages the assignment of guest VMs to particular hosts.
• Manages the assignment of public and private IP addresses to particular accounts.
• Manages the allocation of storage to guests as virtual disks.
• Manages snapshots, templates, and ISO images, possibly replicating them across data centers.
• 3URYLGHV�D�VLQJOH�SRLQW�RI�FRQĨJXUDWLRQ�IRU�WKH�FORXG�• Manages one or more zones (typically, datacenters) containing host computers where guest
virtual machines will run.
Citrix CloudPlatform provides a single management console for IT admins as well as dev/test end
users. The console for admins allows them to see the system and all of the components needed
including storage and memory requirements from a single platform/console.
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Citrix Cloud Works Single Management Plane
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While Citrix CloudPlatform automates the orchestration and provisioning of compute, network and
storage resources, both datacenter administrators and end-users need to interact with the system
WR�EHQHĨW�IURP�LW��$Q�LQWXLWLYH�ZHE�EDVHG�XVHU�H[SHULHQFH�LV�SURYLGHG�VR�WKDW�DGPLQLVWUDWRUV�FDQ�TXLFNO\�DQG�HDVLO\�GHĨQH�VHUYLFH�RIIHULQJV�DQG�RSHUDWLQJ�V\VWHP�WHPSODWHV�WKDW�HQG�XVHUV�FDQ�VHOHFW�from. Administrators are also able to manage and monitor resources that are in use from the same
XQLĨHG�H[SHULHQFH��0HWHUHG�XVDJH�FDQ�EH�SURYLGHG�WR�ELOOLQJ�V\VWHPV�IRU�FKDUJHDEOH�VHUYLFHV�RU�used internally by organizations for showback/chargeback. For end-users, the same web interface is
tailored to their role and provides self-service options including wizards to enable easy selection of
desired infrastructure resources.
Figure 3. The Administrator view of the console
Figure 4. The end-user view of the console
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The console also allows admins to create instances for different types of service offerings via a
wizard-driven interface. A user creating a new instance can make a variety of choices about its
characteristics and capabilities. Citrix CloudPlatform provides several ways to present users with
choices when creating a new instance:
• 6HUYLFH�2IIHULQJV��GHĨQHG�E\�WKH�&LWUL[�&ORXG3ODWIRUP�DGPLQLVWUDWRU��SURYLGH�D�FKRLFH�RI�&38�speed, number of CPUs, RAM size, tags on the root disk, and other choices.
• 'LVN�2IIHULQJV��GHĨQHG�E\�WKH�&ORXG3ODWIRUP�DGPLQLVWUDWRU��SURYLGH�D�FKRLFH�RI�GLVN�VL]H�IRU�primary data storage.
• 1HWZRUN�2IIHULQJV��GHĨQHG�E\�WKH�&LWUL[�&ORXG3ODWIRUP�DGPLQLVWUDWRU��GHVFULEH�WKH�IHDWXUH�VHW�that is available to end users from the virtual router or external networking devices on a given
guest network.
• 7HPSODWHV��GHĨQHG�E\�WKH�&LWUL[�&ORXG3ODWIRUP�DGPLQLVWUDWRU�RU�E\�DQ\�XVHU��DUH�WKH�EDVH�26�images that the user can choose from when creating a new instance. For example, Citrix
CloudPlatform includes CentOS as a template.
In summary, the Citrix CloudPlatform single management console gives you complete visibility into
the resource utilization of your entire cloud deployment for informed scaling and operations. Key
advantages of Citrix CloudPlatform include:
• 7XUQNH\�FORXG�RUFKHVWUDWLRQ�VROXWLRQ��QRW�D�VHW�RI�SURMHFWV��RU�QRW�D�VFLHQFH�SURMHFW�• Easy to get up and running in hours/days, not weeks or months
• Minimal IT training required, reduced IT workload
• 2SHQ��ĩH[LEOH�DUFKLWHFWXUH��QR�YHQGRU�ORFN�LQ• Simple deployment architecture, robust, but not complex to manage
Figure 5. Citrix CloudPlatform wizard-driven interface.
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About CitrixCitrix (NASDAQ:CTXS) is a leader in mobile workspaces, providing virtualization, mobility management, networking and cloud services to enable new ways to work better. Citrix solutions power business mobility through secure, personal workspaces that provide people with instant access to apps, desktops, data and communications on any device, over any network and cloud. This year Citrix is celebrating 25 \HDUV�RI�LQQRYDWLRQ��PDNLQJ�,7�VLPSOHU�DQG�SHRSOH�PRUH�SURGXFWLYH��:LWK�DQQXDO�UHYHQXH�LQ������RI������ELOOLRQ��&LWUL[�VROXWLRQV�DUH�LQ�XVH�DW�PRUH�WKDQ���������RUJDQL]DWLRQV�DQG�E\�RYHU�����PLOOLRQ�XVHUV�JOREDOO\��/HDUQ�PRUH�DW�ZZZ�FLWUL[�FRP�
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Citrix CloudPlatform&LWUL[�&ORXG3ODWIRUP��SRZHUHG�E\�$SDFKH�&ORXG6WDFN��LV�DQ�RSHQ�DQG�ĩH[LEOH�FORXG�RUFKHVWUDWLRQ�DQG�SURYLVLRQLQJ�SODWIRUP�IRU�EXLOGLQJ��PDQDJLQJ�DQG�GHOLYHULQJ�KLJKO\�VFDODEOH�DQG�HIĨFLHQW�SULYDWH��SXEOLF�and hybrid Infrastructure-as-a-Service (IaaS) clouds. Already proven in hundreds of successful production
clouds, Citrix CloudPlatform is the only solution to help public and private sector organizations build
powerful cloud services designed for agility, scale, elasticity and best-in-class economics.
• 3URYHQ�SURGXFW�������ODUJH�VFDOH�SURGXFWLRQ�GHSOR\PHQWV• Flexible: Application-centric cloud uniquely delivers every workload
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“We have customers with fairly large server deployments, hundreds or even thousands of physical
servers or virtual machines and they were creating their own management tools, because they
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BT can manage infrastructure/datacenters across 4 continents with one interface.
“Citrix CloudPlatform gives us enormous agility to support multiple datacenters around the world
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Download the free Citrix CloudPlatform 90-day trial software �ZZZ�FLWUL[�FRP�SURGXFWV�FORXGSODWIRUP�DQG�FOLFN�č7U\�LWĎ���RU�FRQWDFW�\RXU�ORFDO�&LWUL[�representative to start your move to the Cloud.
Citrix Cloud Platform Product
Portfolio
Citrix CloudPlatform provides our
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platform capable of managing cloud-
native, desktop and traditional
enterprise application workloads with
a single cloud infrastructure platform.
Citrix CloudPortal™ Business Manager LV�D�XQLĨHG�FORXG�VHUYLFHV�GHOLYHU\�DQG�business management platform that
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management aspects of a cloud.
Citrix XenServer is an industry and
value leading open-source
virtualization platform for managing
cloud, server and desktop virtual
infrastructures. Organizations of any
size can download XenServer® for free
to virtualize demanding workloads
and automate management
SURFHVVHV�Ĉ�LQFUHDVLQJ�,7�ĩH[LELOLW\�DQG�agility and lowering costs.