[2006-07-24] Configuring CGMP On Routers & Switches
If a Layer Two switch doesn't have the capabilities to run IGMP Snooping, it will be able to run CGMP - Cisco Group Membership Protocol. CGMP allows the multicast router to work with the Layer Two switch to eliminate unnecessary multicast forwarding.
[2006-07-10] Google And The Need For Speed
If the scientists who claim news content has a half-life of 36 hours online before it falls off the radar of Internet users are correct, Google's successor online might match up freshness and relevance.