Some things to know about cloud service agents

as new and more creative approaches emerge, we can see clearly that simple, straightforward cloud interoperability is often unrealistic and not a best practice. today, many of the benefits of cloud computing inspire a great deal of interest and application. Determining the most advantageous way to purchase, implement, and manage cloud technology can be a major problem for users. This brings the rise of cloud services agents.

Thanks to new cloud technologies and standards, as well as vendor neutrality, the third cloud service brokerage firm can provide users with expertise and provide a single point of contact when working with many vendors. The real-world cloud services Cloud architecture leverages the benefits of web-based technology to allow scalable, virtualized IT resources to be widely used on the web as a service. For many, the concept of "cloud" means a public cloud solution: An enterprise accesses third party resources as needed without the need to invest in the internal infrastructure. However, cloud models can also be interpreted as existing legacy, as well as "proprietary" systems, or just "proprietary" systems, which can be defined as private clouds. A hybrid cloud, as its name suggests, is a combination of a public cloud and a private cloud. Most companies that want to fully explore the advantages of cloud technology are using the pattern quickly. For example, an organization is likely to choose to store sensitive data in a private cloud while using a dynamic, cost-advantaged public cloud to perform other operations. In Figure 1, we can see the different classic scenarios gathered today: private, public, or even the cloud that gets the resources from the second cloud (in fact, the data center is hidden).

In this diversity, some users choose cloud services that allow them to manage and monitor the infrastructure as they do in their own data centers, while others tend to have an environment where data can be managed under a specified SLA (Service level agreements). Minimal or no user involvement is required.   Cloud Agent's advantage   Figure 1 at the bottom is a cloud service agent, a third party that can get resources from multiple clouds, usually connected to multiple data centers. In general, agents have their own cloud, have their own resources, and in other cases, they play a role closer to "agent (or broker)", on behalf of an organization to coordinate the necessary relations and agreements.   Although each agent and its specific services and advantages will vary, many agents offer the following services:  to help users determine the best framework based on their individual needs and on a variety of factors. This includes providing assistance and budget guidance while determining how to select and consolidate different services across multiple hybrid scenarios.   A streamlined interface with good interoperability-including single sign-on. These rule-based solutions simplify the management of cloud resources and hide the complexities associated with multi-vendor collaboration.   has the resource and infrastructure advantages of cost advantage, the ability to communicate technology contracts in real time, and to deliver the high level of flexibility required by today's business.   strong security, allowing enterprises to develop customized solutions to balance cost benefits and core security issues.   Upgrades, maintenance and maintenance activities are conducted in a non-disruptive manner.   fear of losing control of data management is one reason to hesitate to use cloud services.

But good agents can help users determine their ideal level of management oversight, and work out the appropriate cloud services to meet these needs. Customers will still understand the behavior of their agents, and the administrator can also set corresponding policies to ease the user's concerns. The role of   cloud standards   The independence of cloud service providers is not only strengthened by cloud service agents, but also made possible by industry standards. These standards can now be used to help provide dynamic flexibility and portability, and to push cloud computing to the next level.   In the Distributed Management Task Force (DMTF), the interoperability standards we provide will help the workload of data centers and clouds move in a standard form. The DMTF Cloud Infrastructure Management Interface (Cloud infrastructure Management Interface,cimi) model helps define specific scenarios, provide useful interfaces, and integrate different types of service providers. Cimi, in collaboration with DMTF's Open Virtualization format specification (open Virtualization Format SPECIFICATION,OVF specification), provides a mechanism for packaging multiple machines and their requirements, You can also switch between cloud services and cloud services agents.   From a standardized standpoint, cloud services infrastructure management is a part of cloud computing that can be simplified and has a hidden and universal interface. Once the connection is established, the resource is instantiated, and the functional interface (for example, the database) should be able to connect directly to the resource, or the cost and latency will be introduced. Cimi focuses on infrastructure as a service (IaaS), not a platform as a service (PaaS) or software as a service (SaaS), so users and agents can transfer the entire workload. The basic resources of IaaS (machines, storage, and networking) are modeled on the following objectives: providing customers with management access to IAAS implementations, and facilitating portability between the clouds that support the Cimi specification. CIMI specifies a presentation state transfer style protocol that uses HTTP, although its underlying model is not specified as HTTP or can be directed to other protocols. As mentioned above, Cimi is only responsible for the management of the infrastructure and does not extend control to the applications and services that users run on it, but only as a service provider.   But Cimi is not an alternative interface between different clouds, we compare it to Lightweight Directory Access Protocol (Lightweight Directory Access Kyoto, LDAP): Although Mici also has a variety of directory services, But developers still like to develop for LDAP because it is a platform-independent interface. Similarly, the Cimi interface provides most of the functionality that users need to access and enables portability in the cloud.   Especially when developing new platforms, it canReduce the complexity of cloud management. Virtualization makes cloud services possible, and now we can make mirroring, operating systems, and application services a unit so that companies are free to modify their implementation based on changing business requirements.   The ability to evolve and adapt to changing requirements in a dynamic and changeable environment is one of the reasons for standards and cloud service agents to move forward together. In addition, leading cloud service providers embrace standards-based flexibility because it allows them to differentiate based on specific products and expertise. ROI and added value become more important because data is no longer an obstacle. In the   industry, some important cloud standards initiatives are underway and standardization organizations are helping. This includes the Storage Network Industry Association (Storage Networking Industry Association,snia), which provides a cloud data management interface for data storage as a service (DaaS) (Cloud data Management Interface, CDMI) specification, and the Cloud Security Alliance (Cloud), is working to develop best practices and techniques in Izumo settings around existing security standards. All the standards and organizations behind them, from OpenCloud to Apachedeltacloud, also work together to help ensure that the infrastructure management provided by Cimi meets today's complex, proxy cloud.
Summary   In many cases, if a business has only one supplier, it will cut itself off from the possibilities of the future. The standards used by cloud service agents will help users derive the best benefits from similar products offered by different vendors while maintaining the simplicity and opacity of the backend.   As the most cost-competitive cloud practice, more and more hybrid infrastructures are being discovered. For those who want to take full advantage of the cloud, cloud service agents are becoming a viable option.

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