21. In contrast, packet switching is the process of segmenting data to be transmitted into several smaller packets. 22. Moving to packet switching gives companies an opportunity to offer new services _ and generate more revenue. 23. Packet switching , originally intended for transmitting data, was once thought to be too crude for voice communications.24. Packet switching also introduces some architectural compromises.25. Packet switching research and development led first to the military's ARPANET, and then to the Internet itself.26. In the early 1970s, Bolt Beranek developed " packet switching , " the underlying technology for electronic-mail transmission. 27. Davis first presented his own ideas on packet switching at a conference in Edinburgh on 5 August 1968. 28. ConnNet was the nation's first local public packet switching network when it was launched on March 11, 1985. 29. Kleinrock pioneered the technology, later known as packet switching , as a graduate student at Massachusetts Institute of Technology. 30. The operating system and the packet switching software was developed by Telenet ( later on GTE Telenet ).
