North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Real Media and M-Bone feeds
> >Easily. It is called cacheing. Multicasting provides exactly the > >same bandwidth savings as cacheing with cache retention time set to zero. > > With the constraint that if you want to provide exactly the same > bandwidth savings, you have to have a cache at every hop. Without a > cache at every hop, there still can be significant savings, but not > quite equal to the bandwidth savings of multicast at every hop. > (Though, admittedly, multicast capable routers aren't available at every > hop either). Except that you probably don't care about every hop either (who cares if the 100Mbps to my access server with 4 T1's on it is partially wasted?). -Phil
|