Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Useful, for example, if you have Sonos speakers on one interface, or VLAN, and you want to be able to control them from devices on a different interface/VLAN. Similar for Chromecast devices. By ...

The 1930 relay team of Wallace Viles ’31, Ragnar Lind ’30, Russell Chapman ’31 and Norman Cole ’32; in coat and tie are (left) coach C. Ray Thompson ’13 and (right) manager David Spofford ’30. By the ...