• An SLA is a Service Level Agreement (potentially a legal contract)
  • An SLO is a Service Level Objective (and thus could be a KPI)
  • An SLR is a Service Level Requirement (a clause in an SLA? a required level for an SLO?)
  • But what does SLE stand for?

From the context, it looks like it is a soft version of an SLA.

1 Answer 1


Seems to be Service Level Expectation.

From an article in Information Week titled Service-Level Agreements Come Of Age:

When you think of SLAs, you might also think of penalties, contract termination, "free" services, and other woes that all too often were part of doing business with Internet service providers. It's little wonder that some organizations, attempting to avoid negative connotations, prefer to use the terms SLE (service-level expectation) or SLG (service-level goal).

  • 1
    Should be right, as the document sais "Every solution has an asset owner [...] who guards that the solution delivers what the consumer expects. The SLE for a solution is initially determined by the SLE from the connected ITServices". Mar 30, 2016 at 8:24

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