Compressed transfer

When sending files, you can compress them. Available options for the Compression Preference include compression within records (horizontal compression), compression between records (vertical compression), DEFLATE compression, and Zstandard compression.

You can specify Compression Preference in the Send Management Information. You can configure the Send Management Information on the HULFT Management Console or by running a command.

Figure 2.9 Compressed Transfer

Table 2.8 Products in which compressed transfer is available
Function	HULFT for zOS	HULFT for IBMi	HULFT for Linux/AIX	HULFT for Windows	HULFT for Container Services	HULFT for Container Platform
Compressed transfer	† (*1)	† (*1)	✓	✓	† (*1)	† (*1)

✓	:	Available
†	:	Partially available
-	:	Not available

Not all compression preferences are available. For details, refer to Available compression preferences.

Available compression preferences

The compression preferences available in each product are shown below.

Table 2.9 Compression preferences available in each product
Product	Supported Compression Types
Product	Horizontal	Vertical	DEFLATE	Zstandard
HULFT7	✓	✓	-	-
HULFT8 for Mainframe	✓	✓	-	-
HULFT8 for UNIX/Linux	✓	✓	✓	-
HULFT8 for Windows	✓	✓	✓	-
HULFT8 for IBMi	✓	✓	✓	-
HULFT10 for zOS-Standard	✓	✓	-	-
HULFT10 for zOS-Enterprise	✓	✓	✓	-
HULFT10 for IBMi	✓	✓	✓	-
HULFT10 for Linux/AIX	✓	✓	✓	✓
HULFT10 for Windows	✓	✓	✓	✓
HULFT10 for Container Services lower than Ver.10.2.0	-	-	✓	-
HULFT10 for Container Services Ver.10.2.0 and higher	-	-	✓	✓
HULFT10 for Container Platform	-	-	✓	✓

✓	:	Available
-	:	Not available

Combinations of compression preferences

What compression preference that is actually used when the file is transferred is determined according to the combination of the following factors:

The setting of Compression Preference in the Send Management Information on the sending-side host
The compression preferences available on the receiving-side host
The setting of Compression Type Selection in the System Environment Settings on the sending-side host

= Remarks =

Compression Type Selection can be set when one of the following is installed:

HULFT10 for Linux/AIX
HULFT10 for Windows
HULFT10 for Container Services Ver.10.2.0 and higher
HULFT10 for Container Platform

For details about Compression Preference, refer to the following:

HULFT10 for zOS Operation Manual : Send Management Information

HULFT10 for IBMi Operation Manual : Send Management Information

HULFT10 for Linux/AIX Operation Manual : Send Management Information

HULFT10 for Windows Operation Manual : Send Management Information

For details about Compression Type Selection, refer to the following:

HULFT10 for Linux/AIX Administration Manual : Send and Receive Settings

HULFT10 for Windows Administration Manual : Send and Receive

The combinations of the compression preferences available on the sending-side host and the receiving-side host and the compression preference that is selected as a result are shown below.

Table 2.10 When the sending-side host is HULFT10 for Linux/AIX or HULFT10 for Windows
Sending-side Host		Receiving-side Host
Compression Type Selection	Compression Preference	HULFT7 HULFT8 for Mainframe HULFT10 for zOS-Standard	HULFT8 for UNIX/Linux HULFT8 for Windows HULFT8 for IBMi HULFT10 for zOS-Enterprise HULFT10 for IBMi	HULFT10 for Linux/AIX HULFT10 for Windows	HULFT10 for Container Services lower than Ver.10.2.0	HULFT10 for Container Services Ver.10.2.0 and higher HULFT10 for Container Platform
Common	Horizontal	Horizontal	Horizontal	Horizontal	None	None
	Vertical	Vertical	Vertical	Vertical	None	None
	DEFLATE	None	DEFLATE	DEFLATE	DEFLATE	DEFLATE
	Zstandard	None	DEFLATE	Zstandard	DEFLATE	Zstandard
None	Horizontal	Horizontal	Horizontal	Horizontal	None	None
	Vertical	Vertical	Vertical	Vertical	None	None
	DEFLATE	None	DEFLATE	DEFLATE	DEFLATE	DEFLATE
	Zstandard	None	None	Zstandard	None	Zstandard

Table 2.11 When the sending-side host is HULFT10 for zOS
Sending-side Host	Receiving-side Host
Compression Preference	HULFT7 HULFT8 for Mainframe HULFT10 for zOS-Standard	HULFT8 for UNIX/Linux HULFT8 for Windows HULFT8 for IBMi HULFT10 for zOS-Enterprise HULFT10 for IBMi	HULFT10 for Linux/AIX HULFT10 for Windows	HULFT10 for Container Services lower than Ver.10.2.0	HULFT10 for Container Services Ver.10.2.0 and higher HULFT10 for Container Platform
Horizontal	Horizontal	Horizontal	Horizontal	None	None
Vertical	Vertical	Vertical	Vertical	None	None
DEFLATE (*1)	None	DEFLATE	DEFLATE	DEFLATE	DEFLATE

DEFLATE compression is available in HULFT10 for zOS-Enterprise.

Table 2.12 When the sending-side host is HULFT10 for IBMi
Sending-side Host	Receiving-side Host
Compression Preference	HULFT7 HULFT8 for Mainframe HULFT10 for zOS-Standard	HULFT8 for UNIX/Linux HULFT8 for Windows HULFT8 for IBMi HULFT10 for zOS-Enterprise HULFT10 for IBMi	HULFT10 for Linux/AIX HULFT10 for Windows	HULFT10 for Container Services lower than Ver.10.2.0	HULFT10 for Container Services Ver.10.2.0 and higher HULFT10 for Container Platform
Horizontal	Horizontal	Horizontal	Horizontal	None	None
Vertical	Vertical	Vertical	Vertical	None	None
DEFLATE	None	DEFLATE	DEFLATE	DEFLATE	DEFLATE

Table 2.13 When the sending-side host is HULFT10 for Container Services or HULFT10 for Container Platform
Sending-side Host		Receiving-side Host
Compression Type Selection	Compression Preference	HULFT7 HULFT8 for Mainframe HULFT10 for zOS-Standard	HULFT8 for UNIX/Linux HULFT8 for Windows HULFT8 for IBMi HULFT10 for zOS-Enterprise HULFT10 for IBMi	HULFT10 for Linux/AIX HULFT10 for Windows	HULFT10 for Container Services lower than Ver.10.2.0	HULFT10 for Container Services Ver.10.2.0 and higher HULFT10 for Container Platform
Common	DEFLATE	None	DEFLATE	DEFLATE	DEFLATE	DEFLATE
Common	Zstandard (*1)	None	DEFLATE	Zstandard	DEFLATE	Zstandard
None	DEFLATE	None	DEFLATE	DEFLATE	DEFLATE	DEFLATE
None	Zstandard (*1)	None	None	Zstandard	None	Zstandard

Zstandard compression is not available in HULFT10 for Container Services lower than Ver.10.2.0.