Sun Microsystems Sun Adapter IP HL 7 - Manual (Page 33)

TABLE 3 Connectivity Map - TCPIP Inbound Settings (Continued)
Name Description
Keep Alive An indicator of whether the client’s SO_KEEPALIVE option is enabled or
disabled. Select true to enable SO_KEEPALIVE; otherwise, select false.
When the option is enabled for a TCP socket and no data has been exchanged
across the socket in either direction for two hours, TCP automatically sends a
KEEPALIVE probe to the peer (the actual value is implementation dependent).
This probe is a TCP segment to which the peer must respond. One of three
responses is expected:
1.
The peer responds with the expected ACK. The application is not notified
(since everything is OK). TCP will send another probe following another two
hours of inactivity.
2. The peer responds with an RST, which tells the local TCP that the peer host
has crashed and rebooted. The socket is closed.
3. There is no response from the peer. The socket is closed. The purpose of this
option is to detect if the peer host has crashed. This is used for the accepted
client Socket.
Note – For some properties, the server socket itself does not have direct property
settings associated with it. Instead, the properties map to the accepted client
socket.
Receive Buffer Size A number indicating the receive buffer size. This is the value of the SO_RCVBUF
option for the current socket, which is the buffer size used by the operating system
for input on this socket. It provides an estimate of the size of the underlying
buffers used by the platform for incoming network I/O.
When used in set mode, this is a suggestion for the kernel from the application
regarding the size of buffers to use for the data to be received over the socket.
When used in get mode, this must return the actual size of the buffer used by the
platform when receiving data on this socket.
Send Buffer Size A number indicating the send buffer size. This is the value of the SO_SNDBUF
option for the current socket, which is the buffer size used by the operating system
for output on this socket. It provides an estimate of the size of the underlying
buffers used by the platform for outgoing network I/O.
When used in set mode, this is a suggestion for the kernel from the application
regarding the size of buffers to use for the data to be sent over the socket. When
used in get mode, this must return the actual size of the buffer used by the
platform when sending out data on this socket.
TCP/IP HL7 V2 Adapter Inbound Connectivity Map Properties
Sun Adapter for TCP/IP HL7 User's Guide 33