Communication protection method and apparatus

Application Number: 00108357
Application Date: 2000.03.11
Publication Number: 1269653
Publication Date: 2000.10.11
Priority Information: 1999/3/12 JP 66603/99
International: H04L12/56
Applicant(s) Name: Nippon Electric Co., Ltd.
Inventor(s) Name: Suzuki Shin
Patent Agency Code: 72001
Patent Agent: zhang zhicheng
Abstract The invention suppresses waste of connection resources and to lighten the load of a connection setting processing by measuring the used bandwidth of a communication connection being used and establishing a standby communication connection according to the measurement result. A standby connection in a switch table, and discards in-use connection information and uses the standby connection information, when some kind of abnormality occurs to the in-use side to protect the communication.