Giới thiệu về IP và ATM - Thiết kế và hiệu suất P11
Giới thiệu về IP và ATM - Thiết kế và hiệu suất P11
PROTECTING THE NETWORK We have discussed the statistical multiplexing of traffic through ATM buffers and connection admission control mechanisms to limit the number of simultaneous connections, but how do we know that a traffic source is going to conform to the parameter values used in the admission control decision? There is nothing to stop a source sending cells over the access link at a far higher rate. It is the job of usage parameter control to ensure that any cells over and above the agreed