GIOP 1.1 added support for messagefragmentation and GIOP 1.2 added support for bidirectional communication.
GIOP 1.1添加了对消息存储碎片的支持，GIOP 1.2添加了双向通信支持。
2
This overload allows you to specify a time-out value for the operation and control fragmentation and Time-to-Live values for the ICMP echo message packet.