• An SLA stipulates the delivery and pricing of numerous service levels. SLAs cover an assortment of data services such as Frame Relay, leased lines, Internet access, web hosting, etc.

• There are QoS requirements for different traffic types. Both the enterprise and the service provider must implement the proper QoS mechanisms to provide end-to-end QoS.

• General guidelines for enterprise QoS implementations:

- Robust switching design

- Buffer management

- Multiple queues

- Voice traffic always gets highest priority

- Trust Cisco IP Phone CoS setting

- Classify and mark traffic as close to source as possible

- Class-based policing in effect

Was this article helpful?

0 0

Post a comment