Operation Manual

Performance
Netware Connect for ISDN – 4 Configuration 43
Performance
Workstations outside the LAN must send or obtain over ISDN all data—in-
cluding programs—that is not stored on the local disk drive. Since ISDN’s
native throughput is far lower than that of LAN media, remote workstations
may work slower than workstations in the LAN.
There are ways to optimize the performance of a NetWAYS/ISDN worksta-
tion, however, both by taking advantage of NetWAYS/ISDN features, and by
judicious configuration and selection of other software.
NetWAYS/ISDN
l “Bundling” or Channel on Demand* uses both B channels of the ISDN
line for the network connection (for 128 Kbit/s rather than 64 KBit/s
throughput). Please note that the connection charges incurred are dou-
bled.
l “Compression”
*
enhances performance when the information being
transferred is compressible data, such as fixed-length database
records, for example.
l “Header Compression” compresses network protocol header informa-
tion. This option is only available in Windows versions of
NetWAYS/ISDN.
Configuration and Software Selection
l “Packet Burst Mode” is a Novell networking function. In Burst Mode,
acknowledgments are sent not on receipt of each individual packet, but
for several packets in a “burst”. All new clients and NetWare servers
from version 3.12 on use this function.
This function is not available for DOS clients that use NETX rather than
VLM. NetWare 3.11 servers can load this function as an additional op-
tion.
l Programs should be installed locally on the workstation and not
launched from a server-based installation. This applies to Login.exe
and similar programs as well. Some programs consist not only of EXE
files, but also files with extensions such as OVL, MSG and HLP. These
too should be stored locally.
l User data should be stored on the server only if it needs to be shared
with other users, or backed up by the server’s backup system.
*
In the DOS version of NetWAYS/ISDN, these options are available only for active ISDN-
Controllers.
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