Service Level Agreements (SLAs) define response and resolution time commitments, setting expectations and ensuring accountability. SLA components: - First response time target - Resolution time target - By priority level - By customer tier - Business hours definition Example SLA structure: - Urgent: 1 hour response, 4 hour resolution - High: 4 hour response, 24 hour resolution - Medium: 8 hour response, 48 hour resolution - Low: 24 hour response, 72 hour resolution SLA management: - Automatic tracking - Breach warnings - Escalation rules - Reporting and analytics - Customer communication SLA best practices: - Realistic targets - Clear priority definitions - Automatic enforcement - Regular review - Buffer in commitments