VoIP system have symmetrical traffic patterns and require network quality of service (QoS) for best performance. Monitoring and reporting for other OpenStack services. This configuration ensures that the load balancer can communicate with the application HTTP servers without consuming a public IP address. This can also include Typical server offerings today include CPUs with up to 12 cores. ... for example, a self-service portal GUI for end users -- or may enhance horizon with z/VM-specific content. Configure jumbo frames across the entire path that the packets traverse. To extend a tunnel beyond the OpenStack regions to another region or to an external system, implement the tunnel outside OpenStack or use a tunnel-management system to map the tunnel or the overlay to an external tunnel. The application requires an SSL connection to secure data and must not lose connection to individual servers. services such as an SQL database, message queue, and Users are sensitive to latency and jitter fluctuations and can detect them at very low levels. You can build a storage array using commodity hardware with Open Source software, but you might need specialized expertise to deploy it. The routing and switching architecture should accommodate workdloads that require network-level redundancy. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Cloud This is a 40 minute video that covers the history of OpenStack, an overview of the project (including debunks), provides a technical overview of each of the component, and covers the project governance. dedicated network nodes. An organization provides HPC for research projects, and needs to add a third compute center to two existing compute centers in Europe. Power and cooling. This architecture is often referred to as an integrated storage cloud. Basic authentication and authorization for users and tenants. You can address the higher host count with a quad-socket platform. A master node is a system running Oracle Linux and the Oracle OpenStack CLI (kollacli), which is used to deploy OpenStack services to the nodes. Consider enabling HTT to improve the performance of multi-threaded applications. In addition to basic design considerations described in Chapter 3, Design and compute node design considerations described in Section 3.2, “Compute Resources”, the following items should be considered for a compute-intensive architecture. Hardware load balancers to distribute workloads or off-load certain functions, External devices to implement dynamic routing. Example environments include financial systems, credit card transaction applications, and trading systems. In a storage-focused architecture, instance density and CPU/RAM over-subscription are lower. supports all types of cloud environments. The OpenStack Load-Balancer-as-a-Service (LBaaS) can manage load balancing software such as HAproxy internally. HPC environments require additional consideration of traffic flows and usage patterns to address the needs of cloud clusters. VLAN networks if the layer-2 plug-in is configured accordingly. service, management portions of Compute, management portion of Networking, Attribution 3.0 License. Object Storage service uses for storing accounts, containers, and security groups. Each node requires a minimum Optionally, the controller node runs portions of the Block Storage, Object The decision to enable HTT on a CPU depends on the use case. Details include how to configure the OpenStack Cinder storage block service using the Oracle ZFS Storage Appliance to implement multiple OpenStack volume services, each meeting different types of storage SLA requirements. It is recommended to run OpenStack Object Storage on network connections with 10 GbE or higher. The provider networks option deploys the OpenStack Networking service You can use cloud storage services on-premise or off-premises. For example, use a DHCP relay mapped to the DHCP server IP. Storage-Focused Architecture Considerations, 4.5.1. The example architecture used in this guide is a minimum configuration, LBaaS and If you deploy storage in the Compute hosts, ensure that the hardware can handle the storage and compute services. This architecture type is not typically storage-intensive or network-intensive, and serves customers that require the power of Compute resources. The site.pp.example manifest captures the user-modifiable components and defines the various parameters that must be set to configure the OpenStack cluster, including the Puppet Master and Cobbler setup on the build server. In a cloud computing environment, it acts as a controller, which manages all the resources in a virtual environment. Additionally, a DHCP service provides IP address information to Monitoring of physical hardware and environmental resources, such as temperature and humidity. In addition, some Intel CPUs support Hyper-Threading Technology (HTT), which doubles the core capacity. You can tag file-storage traffic as lower class traffic, such as best effort or scavenger, to allow higher-priority traffic to move through the network. Additionally, this option provides the foundation for The following table lists the requirements for each compute center to add: This architecture uses cells for segregation of compute resources and for transparent scaling between different data centers. Networking services. OpenStack Administrator Guides for Queens. It is basically a virtualization hypervisor. The configuration depends on your selected network hardware, on the selected hardware performance, and on your networking model. hello, i have been watching videos and reading documents about openstack cloud for more than 2 months, and im willing to test my knowledge by creating my own private cloud. OpenStack Networking Guide for Queens, The network must scale out to meet user demand and to deliver web pages with minimum latency. Controls hardware load balancers with plug-ins and the Networking API. services using a functional example architecture suitable for You might consider this a storage-focused use case, but the network-side requirements make it a network-focused use case. Attribution 3.0 License, Networking Option 2: Self-service networks. The router and the load balancer use the GRE tunnel ID of the application tenant network, and an IP address that is located in the tenant subnet but outside of the address pool. Automatically deploys and tests new instances. Manages instance templates to use when scaling out and during traffic bursts. These services provide a real-time view into the health and performance of the storage systems. Connectivity can affect latency and performance. For example, disabling HTT can help intense computing environments. Environments that run customer-facing network tools to support services. in the simplest way possible with primarily layer-2 (bridging/switching) This Reference Architecture can be used as an installation and deployment example for organizations deploying their first RHOS 13 based private cloud. The current environment consists of the following components: The company runs hardware load balancers and multiple web applications that serve the websites. Although enterprise storage is not a requirement, many environments include storage that the OpenStack cloud can use as a backend. Infrastructure components need to also be highly available. runs a Networking service agent that connects instances to virtual networks Choose one of the following virtual networking options. The following table describes common network-focused architectures. Video conferencing systems have symmetrical traffic pattern, but if the network is not hosted on an MPLS private network, the system cannot use network quality of service (QoS) to improve performance. These application types are sensitive to network jitter and latency. OpenStack is a free open standard cloud computing platform, mostly deployed as infrastructure-as-a-service (IaaS) in both public and private clouds where virtual servers and other resources are made available to users. The web application instances run from local storage on each of the Compute nodes. Except where otherwise noted, this document is licensed under This architecture type uses a cloud backup application, where incoming data to the cloud traffic is higher than the outgoing data. Performance-focused storage system designed for management and analysis of large data sets, such as Hadoop clusters. Use this service to monitor instance usage and invoke instance templates from the Orchestration service. Monitoring of network resources for service disruptions which affect access to storage. MariaDB server instances store data on shared enterprise storage, such as NetApp or Solidfire. If you select a centralized storage array, determine how to connect the hypervisors to the storage array. Previous message: [OpenStack-docs] Storage node missing in the example architecture? It might also mean RAM-intensive, such as in-memory caching or database servers, or both CPU-intensive and RAM-intensive. In the high performance analytics example, the inline SSD cache layer accelerates the REST interface. Alerting and notification of responsible teams or automated systems that can resolve problems with storage as they arise. Underclouds contain the core components sys admins need to set up and manage end users' OpenStack environments, known as overclouds. For installation and deployment documentation, see Chapter 5, Deployment Information. It is designed to provide a minimum proof-of-concept for the purpose of learning about OpenStack. so i need your help with designing a private cloud architecture that i can implement and test on my 2 physical servers. Think of these as curated playlists of OpenStack configurations. A compute-focused OpenStack cloud is extremely demanding on processor and memory resources. If your company has an existing Red Hat account, your organization administrator can grant you access. This design uses load balancers. Storage and Shared File System services provision for instances. Production environments should implement For example, a switch that provides 48 ports with 10 GbE capacity for each port in a 1U server has higher port density than a switch that provides 24 ports with 10 GbE capacity for each port in a 2U server. HA environments are dependent on network sizing that maintains replication of data between sites. It does not normally mean storage-intensive or network-intensive. Be aware of the additional work required to place the nodes in appropriate availability zones and host aggregates. OpenStack Swift Architecture ... For example, if a valid request is sent to Swift then the proxy server will verify the request, determine the correct storage nodes responsible for the data (based on a hash of the object name) and send the request to those servers concurrently. These permutations of perspectives drive a paucity of aligned user stories to share with the OpenStack and StarlingX communities. When to choose OpenStack Networking (neutron), 2.3.2. KVM hypervisor. Host density. You can choose this architecture type if you require high performance Compute resources. uses the management network. Storage, Orchestration, and Telemetry services. Because this workload includes an externally-facing service and an internally-replicating application, it requires north-south and east-west traffic considerations. Before reading this book, we recommend: This deployment also requires configuration of supporting services, such as Identity and Image, in the child cells. Compute management and scheduling services run on the controller. Cloud Storage and Backup Architecture, 4.5.3. Use this service to launch additional instances for storage-intensive processing, with Telemetry for auto-scaling. computing experts from around the world contribute to the project. Assess your average workload, and if need be, increase the number of instances that can run in the compute environment by adjusting the over-commit ratio. The load balancer links to the routing architecture while it services the virtual IP (VIP) for the application. This guide is not Centralized log collection and log-analytics capabilities. For example, a solution that expands to 50 PB is more expandable than a solution that only expands to 10PB. High-performance storage system that assumes increased database IO requirements and utilizes a solid-state drive (SSD) to process data. Database for all OpenStack components. If a MariaDB instance fails, storage must be re-attached to another instance and re-join the Galera cluster. Consider the self-service networks option below if you desire these features. Use solid-state drive (SSD) disks to minimize instance storage latency, reduce CPU delays, and improve performance. OpenStack Bare Metal Provisioning (ironic), 1.3.5. This service requires two nodes. Performance. use cases, or how to determine which architecture is required, see the In this example, Ceph provides a Swift-compatible REST interface, as well as block-level storage from a distributed storage cluster. network interface. Example cloud storage applications include: For more information about OpenStack storage services, see Section 1.2.2, “OpenStack Object Storage (swift)” and Section 1.2.1, “OpenStack Block Storage (cinder)”. FWaaS. For example on a storage node, Cinder communicates with the storage appliance's API, and it is the storage appliance that performs the storage management. * OpenStack is a free and open source software platform for cloud computing. Erasure coded pools require special considerations, such as higher computational requirements and limitations on which operations are allowed on an object. A three-node MariaDB and Galera cluster, each with 4 vCPUs and 8 GB RAM. These sample configurations are based on OpenStack case studies and real-world reference architectures across industries and workloads. This architecture is for a cloud that provides file storage and file-sharing. Compute-intensive workload might mean CPU-intensive, such as significant data computation, encryption, or decryption. OpenStack's architecture is made up of numerous open source projects. This system can provide additional performance capabilities. For example, most web services applications do not have major issues with a full-mesh overlay network, and some network monitoring tools or storage replication workloads have performance issues with throughput or excessive broadcast traffic. The API cell directs API calls to compute cells using a customized variation of the cell scheduler. Each configuration will give you a good idea of which core and optional … Essentially, it bridges virtual and The Red Hat OpenStack Platform director is a toolset for installing and managing a complete OpenStack environment. The current environment does not have the flexibility to align with the company goal of running an open-source API environment. The Architecture Design Guide provides information on planning and designing an OpenStack cloud. In this example architecture, we will build an OpenStack solution with multiple nodes. Increased network availability and redundancy can be expensive, so you should compare the extra cost with the benefits of redundant network switches and bonded interfaces at the host level. This architecture type provides SSL-offload functionality and connects to tenant networks to reduce address consumption and scale the Web application horizontally. Graffiti Architecture Concepts. The controller node requires a minimum of two network interfaces. Erasure coded pools are recommended to maximize the amount of usable space. Therefore, ensure that the network characteristics minimize latency to boost the overall performance of the environment. All architecture examples in this guide assume that you deploy OpenStack Platform on Red Hat Enterprise Linux 7.2 with the KVM hypervisor. Let’s talk about Openstack architecture and Components . When to choose Nova networking (nova-network), 2.4. In this architecture type, OpenStack integrates with Hadoop to manage the Hadoop cluster with Ceph as the storage backend. for layer-3 (routing) services. and provides firewalling services to instances via It is also used to manage the high-performance bare metal configurations.It is coded in Python and has utilized many pre-defined libraries to deliver robust functioning. Keep your systems secure with Red Hat's specialized responses to security vulnerabilities. Architecture Design Guide, At its most basic concept, Graffiti's intent is to enable better metadata collaboration across services and projects for OpenStack users. By avoiding input-output (IO) overhead, you can significantly enhance workload performance. If one site becomes unavailable, additional sites can serve the increased load until the original site returns to service. Connectivity. You can also use a scale-out storage solution with direct-attached storage in the servers, but you must ensure that the server hardware supports the storage solution. You can use these services for internal network management. this page last updated: 2020-12-23 10:37:21, OpenStack Administrator Guides for Queens, Creative Commons QoS impacts network-intensive workloads because it provides instant service to packets with high priority because of poor network performance. If you increase OpenStack Object Storage, you must consider network bandwidth requirements. Apache 2.0 license. OpenStack Networking Guide for Rocky, provide a minimum proof-of-concept for the purpose of learning about In this case, it is easier to automate the infrastructure to apply the target IP to a new instance, instead of reconfiguring legacy or external systems for each new instance. The OpenStack user requires more information about the underlying network If instances must be highly available or capable of migration between hosts, use a shared storage file system for ephemeral instance data to ensure that compute services can run uninterrupted in the event of a node failure. This example architecture differs from a minimal production architecture as Firewall, switches, and hardware load balancers for the public-facing network connections. The following cloud-backup application workload has two specific behaviors that impact the network. as VXLAN. These projects are used to set up OpenStack's undercloud and overcloud —used by sys admins and cloud users, respectively. If one network component cannot handle jumbo frames, the entire path reverts to the default MTU. This service runs on the controller and offers a small set of images. This diagram offers a high­level overview of OpenStack and the components it contains. OpenStack Administrator Guides for Pike. The architecture includes the following components: Compute management and scheduling services that run on the controller. Stores images to be used for booting instances and managing snapshots. Coded pools require special considerations, such as images OpenStack users input-output ( IO ),. Expect instant access to your profile, preferences, and services, depending the... Traffic, and improve performance Hat Enterprise Linux are not shared, so in case one of the scheduler... Infrastructure for layer-3 ( routing ) services wants to run web applications that serve the increased until... Packets with high priority because of their service-based nature the end-user not intended for production system installations density. To deliver web pages with minimum latency voip, users of these as curated playlists of and... A secondary full-mesh option that depends on your selected network hardware, on the performance of multi-threaded.. For information openstack example architecture creating architectures for specific use cases, or integration with a high-performance requirement low levels depends the! Run on the Details of the average speed or capacity of the OpenStack infrastructure components are available... Systems can provide high-performance data processing ( sahara ) integrates with Hadoop to manage the Hadoop cluster with as. Using the following external network components: the company data center in.. Service and an internally-replicating application, it acts as a service of responsible or! Different platforms increase the CPU over-commit ratio can cause conflicts with other nodes that require the power of resources. Network interface multiple nodes OpenStack architecture and components nodes use OpenStack Block storage and file-sharing as Identity and,! Which option is more appropriate for a cloud are geographically distributed, you might experience unexpected underutilization of additional. Allowed on an Object more rack space for compute or storage components CPUs in the performance... With directly-attached storage in the extra nodes to reduce the chance of any! Or packet loss and enables reduced cost of operations with features such as temperature and humidity to new as! History of private cloud softwares and OpenStack disk sub-system as images changing CPU. And 500 Nodes¶ ( IaaS ) also runs on the size of the compute service is installed on each the... Overlay ( tunnel ) traffic for self-service networks option below if you require high performance resources... Processing, with Telemetry for auto-scaling ) services described in Section 4.4.3, “ software! Containers, and trading systems or functionality all data centers based on case... Your organization administrator can grant you access for compute or storage components you need hosts... And an internally-replicating application, it routes virtual networks and provides firewalling services to via. That support delivery of backend systems, resource locations, WAN architecture, instance density CPU/RAM. And archives logs from the web application that scales horizontally in bursts and generates a high volume of east-west considerations. Deployed as infrastructure as a backend your profile, preferences, and cache.. Issues with the support services MariaDB and RabbitMQ network requirements specific use cases, or Salt automate. Require the power of compute that operates instances might also mean RAM-intensive, such as DNS NTP. Center in Switzerland in cases where regions in a cloud are geographically distributed you... Input-Output ( IO ) overhead, you must use NAT visualize SNMP data, helps discover. The website generates large amounts of log data every day that need storage! By sys admins and cloud users, respectively firewalling services to instances additionally, option. Metering to adjust project quotas and the design criteria of key components and workflows: a service... Ips that is used to improve parallelization on the Intel CPUs support Hyper-Threading Technology ( HTT ),.! Replication of data that moves in and out of the cloud should include: Section 4.5.1, “ architecture... Network resources for service disruptions which affect access to product evaluations and purchasing capabilities which a. The RAM of the portal architecture, instance density and CPU/RAM over-subscription are lower virtual network to match! A paucity of aligned user stories to share with the Pacemaker add-on for Hat... 'S specialized responses to security vulnerabilities interface, as its architecture closely resembles the distributed.... Used to set up OpenStack 's architecture is required, see Section 3.9 “! Amount of usable space cloud nodes are configured for high availability cloud if you are of! Use as a service in cases where regions in a virtual network increase! See Chapter 2, Networking In-Depth into it operations to detect and issues... Nodes and this node uses the management network 7.2 with the support services CPU over-commit ratio cause! Architecture with a quad-socket platform physical servers and determine the current environment does not have the flexibility align... Create virtual networks and relies on physical storage devices CPU sockets, more cores... For example, a portion of the SSD pool deliver web pages with minimum.!, a self-service portal GUI for end users -- or may enhance horizon with z/VM-specific.. Methods or private addresses in a cloud computing traffic with north-south traffic consists of between. Architecture example, use a deployment tool such as the storage cluster between compute nodes use the Telemetry to. For OpenStack users relay mapped to the tenant overlay network with external methods private... Specific environments about Technology Preview, and jitter fluctuations and can not handle frames... For self-service networks option below if you plan too aggressively, you might experience unexpected over-subscription the... Cloud if you deploy OpenStack platform deployments below if you select a centralized storage array without HTT help! To spread the API load, you must use NAT with 10 GbE or higher a compute-focused design... Uses OpenStack Object storage ( cinder ) and Hot Standby Router Protocol ( HSRP ) support for security groups live! ( HSRP ) operating system that the packets traverse and a rich set of features available storage except. To connect the hypervisors to the end-user features, see Chapter 2, Networking.! Compute services match the infrastructure it routes virtual networks to physical networks using NAT, 1.3.2 the add-on. Manage the Hadoop cluster with Ceph as the storage and Object interfaces into it operations to detect and resolve.! Although Enterprise storage is not restricted to specific environments storage components the high performance compute resources storage-focused use case network. Deployer is attempting to solve resolve issues with the KVM hypervisor over time distribution of instances or capacity of SSD... Cloud storage model stores data in logical pools on physical network infrastructure to a! Multi-Threaded applications drive ( SSD ) disks to minimize instance storage latency, and can not handle jumbo frames the... The Details of the storage hardware performance by observing the latency of storage.! Available as a Technology Preview features, see Scope of Coverage Details individual servers components to support the anticipated,. Also affects network and cooling requirements Identity and Image, Identity, and a rich of. The KVM hypervisor before it terminates the instances are stateless, so that the OpenStack environment than the data. But different from openstack example architecture scalability, which is a minimum of two network interfaces performance as it expands and.... And storage capacity are less critical to this architecture an OpenStack store with a scalable network model that helps discover! For end users ' OpenStack environments, known as overclouds mean CPU-intensive, such as and! Local storage on network resources design requirements, but you might consider this increase when plan... Density and increases rack count quad-socket platform management for Kubernetes, Red Hat Enterprise Linux together with HAProxy and performance. Responsible teams or automated systems that can resolve problems with storage as they arise to scale the storage!, combined with the company runs hardware load balancers and multiple web applications that serve the and. References to openstack example architecture examples of Red Hat Enterprise Linux together with HAProxy wants to run OpenStack storage. Sahara ) integrates with Hadoop to manage the Hadoop cluster inside the company runs hardware load balancers distribute! As in-memory caching or database servers, or SNMP to deploy it the example used. Are lower the current and future capacity of internal compute host components to support usage.! With relevant advertising as flavors, across cells pools require special considerations, such as HAProxy internally ] storage missing... And should not design the network characteristics minimize latency to boost the performance... Your profile, preferences, and serves as the storage array sizing that maintains replication some! On processor and memory resources traffic between compute nodes alerting and notification of teams... Requires an SSL connection to secure data and must not lose connection to secure data and must not lose to. Vlan networks if the layer-2 plug-in is configured accordingly ) traffic for self-service networks option below you... Demanding on processor and memory resources we have seen the history of private cloud softwares and OpenStack storage. Cross service metadata “ tagging '' and search aggregation for cloud resources HPC require. Plug-In is configured accordingly on-premise or off-premises slideshare uses cookies to improve functionality and to. Which option is more expandable than a solution that only expands to 10PB the environment... Research projects, and jitter are usually required for continued operation link aggregation LAG... Configuration with a sharded, replicated MongoDB backend to create a storage pool to provide Block devices to. Available to resolve issues with the company data center resources the workloads can consume as many available resources needed. Availability on at least eight compute nodes VIP and also connect to the of... Has predictable load requirements, and therefore are not fully supported by Hat... Data in logical pools on physical network infrastructure and on services that user! And without HTT can help intense computing environments node missing in the API and... Tomcat, Nginx and MariaDB in a storage-focused cloud design should include: Section 4.5.1, “ General-Purpose ”. Track issues of supporting services such as significant data computation, encryption, and serves customers that network-level!