HP rp4440 HP DLPI Programmer's Guide - Page 52
Message Flow: XID Service
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Introduction to DLPI DLPI Services Figure 1-31 LLC Type 2 monitors XID packets sent and received on connection oriented streams. If the stream has a connection established, LLC Type 2 will set the local and remote receive window sizes to the sizes specified in the XID packets. The normal flow of message is illustrated in Figure 1-31 and Figure 1-32. Message Flow: XID Service DL_XID request DL_XID confirm DL_XID indication DL_XID response Figure 1-32 Message Flow: Test Service DL_TEST request DL_TEST confirm DL_TEST indication DL_TEST response 52 Chapter 1
Introduction to DLPI
DLPI Services
Chapter 1
52
LLC Type 2 monitors XID packets sent and received on connection
oriented streams. If the stream has a connection established, LLC Type 2
will set the local and remote receive window sizes to the sizes specified in
the XID packets.
The normal flow of message is illustrated in Figure 1-31 and Figure 1-32.
Figure 1-31
Message Flow: XID Service
Figure 1-32
Message Flow: Test Service
DL_XID
request
DL_XID
DL_XID
DL_XID
response
indication
confirm
DL_TEST
request
DL_TEST
DL_TEST
DL_TEST
response
indication
confirm