NetWare Client for DOS and MS Windows User Guide

2-6
Understanding the NetWare Client Software
The NetWare DOS Requester Architecture
Figure 2-1 NetWare DOS Requester Layers and Modules
DOS Redirection Layer
This layer provides DOS file services through the DOS redirector; its
VLM™ program is REDIR.VLM. REDIR performs all the DOS-specific
callouts.
Previously, NETX provided its own file services; the NetWare DOS
Requester uses the DOS redirector for most file services.
Service Protocol Layer
This layer consists of the following parallel services.
DOS
NetWare DOS
Requester
NETX
Service
Protocol
Layer
DOS
Redirection
Layer
Transport
Protocol
Layer
NetWare DOS
Requester
C
O
N
N
REDIR
FIO
CACHE
PBODI
NWP PRINT
BIND LITENDS
IPXNCP Other Transport Protocols
FIO
TRAN
RSA
AUTO
VLM.EXE
DOS
VLM.EXE
VLM.EXE