@heading[X.25 Packet switch survey] The requirements for PSEs for the Academic Community are the original JNT requirements plus the following extensions:- @enumerate[ A Higher Connectivity PSE (> 100 connections) A Higher throughput PSE (> 1000 packets/sec) A small connectivity PSE (about 10 links) The ability to fully manage a multi-nodal network Requirement to support X.25 (1984), and investigation of the possibility of producing conversion aids such as a Yellow Book to X.25(1984) Gateway. ]