
What is SLA (uptime) or SLA?
SLA or Uptime indicates the amount of time a machine or service remains available, usually for the year. Uptime is expressed in percentage. Suppose a company provides an Uptime of 99%, which means their service will expect to be down 1%, or 3.65 days over a year.
What is uptime and why is it important?
Uptime is the amount of time that a service is available and operational. It is generally the most important metric for a website, online service, or web-based provider.
What is Service Level Agreement (SLA)?
Service Level Agreements. The Service Level Agreement (SLA) describes Microsoft’s commitments for uptime and connectivity. The SLA for individual Azure services are listed below.
What is the difference between uptime and guaranteed uptimes?
Uptime is expressed in percentage. Suppose a company provides an Uptime of 99%, which means their service will expect to be down 1%, or 3.65 days over a year. Guaranteed Uptime is expressed as SLA level and is usually the most vital metric to measure the quality of a hosting provider.

What does 99.9% uptime mean?
With a 99.9% uptime service level agreement, your business could face up to 8.76 hours of downtime a year or about 10 minutes every week. With five nines, which means you have a 99.999% uptime guarantee, you can count on less than 26 seconds of downtime each month and no more than 5.26 minutes a year.
How is SLA uptime calculated?
The way to calculate uptime is easy to understand: take the number of seconds that your monitor was down (in a certain time frame), and divide this by the total number of seconds your monitor was being monitored during that time frame.
How long is a 99% uptime?
Uptime is expressed in percentage. Suppose a company provides an Uptime of 99%, which means their service will expect to be down 1%, or 3.65 days over a year. Guaranteed Uptime is expressed as SLA level and is usually the most vital metric to measure the quality of a hosting provider.
Is 99.5 SLA good?
90% is good, 99% is even better, and some go on up to 99.99% or higher, but what does that mean for a business in plain terms? * Downtime per month is calculated at 30 days. Please note as the Availability Percentage goes up it sometimes becomes cost prohibitive or exponentially more expensive.
What are the 3 types of SLA?
What are the three types of SLAs? There are three basic types of SLAs: customer, internal and multilevel service-level agreements. A customer service-level agreement is between a service provider and its external customers.
What is 999 SLA?
Most service providers guarantee a certain percentage of uptime, also known as a Service Level Agreement (SLA). 99.999% availability equates to just 78 seconds of downtime per quarter—the gold standard for uptime SLAs.
How do you calculate 99.9 SLA?
The whole week, that is 100% of the time, equals 604,800 seconds. Our uptime was 99.9%, which is 99.9% / 100 = 0.999 in fractional form. Our server was up for 604,195.5 seconds in a week. Our server was down for 604.8 seconds in a week.
What is a good system uptime?
The industry generally recognizes this as very reliable uptime. A step above, 99.99%, or “four nines,” as is considered excellent uptime. But four nines uptime is still 52 minutes of downtime per year.
What is the minimum uptime?
Minimum Uptime Percentage means the minimum Uptime Percentage (as defined in the Service Level Agreement) identified in the Sales Order and Documentation for each Managed Service licensed by Customer. Development (QA) Instances and Stage Instances have no guaranteed Minimum Uptime Percentage.
How many hours is 99.9 downtime?
Percentage calculationAvailability %Downtime per yearDowntime per month99.8% ("two and seven eighths nines")17.53 hours87.66 minutes99.9% ("three nines")8.77 hours43.83 minutes99.95% ("three and a half nines")4.38 hours21.92 minutes99.99% ("four nines")52.60 minutes4.38 minutes12 more rows
What is SLA percentage?
Resolution SLA% = The percentage of the number of tickets resolved within the SLA divided by the total number of tickets resolved during the selected time period within the filters.
How many minutes per month of downtime is 99.99 availability?
An uptime of 99.99% translates to about five minutes of total downtime per month.
How do you calculate 99.9 SLA?
The whole week, that is 100% of the time, equals 604,800 seconds. Our uptime was 99.9%, which is 99.9% / 100 = 0.999 in fractional form. Our server was up for 604,195.5 seconds in a week. Our server was down for 604.8 seconds in a week.
How many hours is 99.9 uptime?
Percentage calculationAvailability %Downtime per yearDowntime per month99.8% ("two and seven eighths nines")17.53 hours87.66 minutes99.9% ("three nines")8.77 hours43.83 minutes99.95% ("three and a half nines")4.38 hours21.92 minutes99.99% ("four nines")52.60 minutes4.38 minutes12 more rows
How do you calculate SLA in Excel?
the complete formula used my self is:"=IFERROR((NETWORKDAYS. INTL(A2;B2;11;C$2)-1)*("20:00"-"8:00")+IF(NETWORKDAYS. INTL(B2;B2;11;C2);MEDIAN(MOD(B2;1);"08:00";"20:00");"20:00")-MEDIAN(NETWORKDAYS. INTL(A2;A2;11;C2)*MOD(A2;1);"8:00";"20:00");"")" .
What is the formula to calculate service availability?
Calculating system availability System availability is calculated by dividing uptime by the total sum of uptime and downtime.
Uptime SLA In a Nutshell
At its core, an SLA (Service Level Agreement) is an agreement between a service provider and customer, which defines the level of service the former will provide to the latter.
Dire Consequences of Website Downtime
The severity is just as, if not more, serious when it comes to a situation involving technology.
What Most Companies Give You
With most hosting companies, their Uptime SLA is measured in a percentage usually referred to as the “Nines.” For example, some companies may offer a 99 percent Uptime SLA, which means they guarantee that your website will be accessible 99 percent of all the time you use their hosting, on average.
A Price to Match
If you worry that an incredible offering like this comes with a hefty pricetag, we can assure you the exact opposite is the case.
What is an SLA?
A Service Level Agreement (SLA) is a document that details the expected level of service guaranteed by a vendor or product. This document generally sets out metrics such as uptime expectations and any payoffs if these levels are not met.
What do we want SLAs for?
A Service Level Agreement (SLA) specifies the quality of a service. It is a way of defining the limit of failures or times in which the response to a service is measured. Each service measures its quality in a different way, but in all cases it refers to times, and therefore it can be measured.
What are the typical metrics of a supplier?
Those that are agreed between the supplier and the client. Each service will have its own metrics and indicators. Thus, in our Monitoring as a Service (MAAS) we can establish several parameters to be measured, among others, let’s see some of them to better understand how to «measure the service quality» through SLA:
How to calculate the service SLA time?
Use our online calculator to calculate a service downtime. For example, test 99.99% to see the maximum downtime for a day, a month, or the entire year.
Service monitoring
One of the most advanced functions of Pandora FMS is monitoring services with Pandora FMS. It is used to continuously monitor the status of a service, which, as we have seen at the beginning, is made up of a set of indicators or metrics.
SLAs are Like Watermelons?
SLAs can come off as subjective, and have garnered a bit of a prior reputation as “Watermelon Reports”, green status on the surface, hiding red alerts “beneath the rind”. This is a likely source for the trend of SLA reports moving from just a display of policies and metrics into a linkage between measuring processes and projecting results.
SLAs for Your Team
Generally, SLAs are agreements between separate companies and vendors, but they can also exist within a company between its departments when one department is responsible for managing a certain set of services.
