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The objective of the OLA is to present a clear, concise and measurable description of the service provider's internal support relationships. OLA is sometimes expanded to other phrases but they all have the same meaning: organizational-level agreement; operating-level agreement; operations-level agreement. OLA is not a substitute for an SLA.
The SLA is the entire agreement that specifies what service is to be provided, how it is supported, times, locations, costs, performance, and responsibilities of the parties involved. SLOs are specific measurable characteristics of the SLA such as availability, throughput, frequency, response time, or quality.
The output received by the customer as a result of the service provided is the main focus of the service level agreement. Service level agreements are also defined at different levels: Customer-based SLA: An agreement with an individual customer group, covering all the services they use. For example, an SLA between a supplier (IT service ...
The term "Service Level Agreement" (SLA) is frequently used for all aspects of a service level, but in more precise use one may distinguish: [4] Service Level Indicator (SLI): measures of service level, like availability (uptime); Service Level Objective (SLO): objectives based on these indicators, like 99.95% availability;
POP3 and IMAP are 2 different methods used to access mail from a third-party email client or software. Each method downloads email data from AOL to your device or software, however, they differ in where the emails are stored.
In particular, the term is used in connection with mainframes [11] [12] or enterprise computing, often as part of a service-level agreement. Similarly, percentages ending in a 5 have conventional names, traditionally the number of nines, then "five", so 99.95% is "three nines five", abbreviated 3N5.