Service Level Agreements (ALS) are an important part of the availability of a public cloud. A cloud must be available and networked to deliver any value to its customers or customers. Service usage problems make cloud subscribers delivered to the PSC to fix them. AN ALS is the primary means used by a client to ensure that availability is maintained or that the PSC is subject to penalties. All parties involved negotiate to determine the service`s final product or ALS based on the details of the plan. At the end of these negotiations, the ALS will be agreed. Business IT organizations, particularly those dedicated to IT services management, join their internal customers in ALS – users of other services within the company. An IT department creates an ALS to measure its services, justify them and possibly compare them to those of outsourcing providers. Before you subscribe to an IT department, ALS must be carefully evaluated and designed to achieve maximum service value from the end-user and business perspective. Service providers should be mindful of the differences between internal spending and client-focused outcomes, which can help define service expectations. Service Level Agreements (SLAs) Restrictions and specifications are essentially important requirements of cloud architecture.
Cloud-based system architects are challenged by the need to align service level agreements (SLAs) with architecture and service delivery, whether functional or not. Violations of these agreements in terms of performance, availability, reliability, security, compliance, etc., may result in a deterioration of the supplier`s reputation or penalties in the form of refunds of money or service credits . Now, architecture is becoming a « strategy » game and a challenge in which architects will have to make cost-effective and effective decisions to anticipate the risks and value of these decisions against likely or unpredictable changes in operating requirements and environments. This leads through the architecture process to an agreement-oriented design focused on value at the service level for the company and development, where the orientation of business objectives and technical drivers is at the heart of the process. Architectural design decisions are designed to reduce violations for ALS by ensuring that critical needs are provided by reliable resources. Therefore, the problem is what architectural strategies, tactics and styles could help cloud providers meet the dynamic requirements of cloud-based systems while meeting service level conditions. Aspects of the life cycle of ALS, such as service identification, ALS negotiation and coordination, monitoring and reporting, can be compared to architectural tactics and components that meet these objectives. This ALS also uses enumeration marks to clearly identify its services and customer promises. Tools to automate the collection and display of performance data at the service level are also available. The measures should reflect only the factors that make the service provider exercise appropriate control. Measurements should also be easy to collect.
In addition, both parties should refuse to choose excessive amounts of measures or measures that produce large amounts of data.