Intel AS/400 RISC Server User Manual
Page 290
than an IXS or IXA attached VE connection. “Stream” means that the data is pushed in one direction,
with only the TCP acknowledge packets running in the other direction.
17.6.2 VE CPW Cost
CPW cost below is listed as CPW per Mbit/sec. For the point to point connection, the results are different
depending on the direction of transfer. For connections between guest servers - the direction of transfer
doesn’t matter to the results.
IBM i 6.1 Performance Capabilities Reference - January/April/October 2008
©
Copyright IBM Corp. 2008
Chapter 17 - Integrated BladeCenter and System x Performance
290
PP TCP Stream i5/OS to Windows
0
100
200
300
400
500
600
700
800
900
1000
16
32
64
12
8
25
6
51
2
10
24
20
48
40
96
81
92
16
38
4
32
768
Transaction Size (bytes)
Thr
ou
ghput
(
M
B
it
s
/sec)
iscsi jumbo
iscsi standard
IXS/IXA
external NICs
PP TCP Stream Windows to i5/OS
0
100
200
300
400
500
600
700
800
900
1000
16
32
64
128
256
512 102
4
204
8
409
6
819
2
16
38
4
3276
8
Transaction Size (bytes)
Thr
o
ugh
put
(M
B
it
s
/s
e
c
)
iscsi jumbo
iscsi standard
IXS/IXA
external NICs
VE Internal (port based)
0
100
200
300
400
500
600
700
800
900
1000
16
64
256
1024
4096
16384
Transaction Size (bytes)
Thr
oughput
(
M
B
it
s
/sec)
iscsi jumbo
iscsi standard
IXS/IXA
external NICs
VEPhyp Stream TCP
0
100
200
300
400
500
600
700
800
900
1000
16
64
256
1024
4096
16384
Transaction Size (bytes)
Thr
o
u
g
hpu
t (
M
B
it
s
/s
e
c
)
iscsi jumbo
iscsi standard
IXS/IXA
external NICs
PP TCP Stream i5/OS to Windows
0.0
5.0
10.0
15.0
20.0
25.0
128
25
6
512
102
4
2048
409
6
8192
163
84
3276
8
Transaction Size (bytes)
C
P
W
p
e
r M
B
it
s/
se
c
iscsi jumbo
iscsi standard
IXS/IXA
external NICs
PP TCP Stream Windows to i5/OS
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
12
8
25
6
51
2
102
4
204
8
40
96
81
92
16
384
32
76
8
Transaction Size (bytes)
C
P
W
p
e
r MB
it
s/
sec
iscsi jumbo
iscsi standard
IXS/IXA
external NICs
VE Internal (port based)
0
2
4
6
8
10
12
14
16
12
8
25
6
51
2
10
24
20
48
40
96
81
92
16
38
4
32
76
8
Transaction Size (bytes)
C
P
W
p
e
r MB
it
s/
sec
iscsi jumbo
iscsi standard
IXS/IXA
VEPhyp Stream TCP
0
5
10
15
20
25
12
8
25
6
51
2
102
4
204
8
40
96
819
2
16
38
4
327
68
Transaction Size (bytes)
CP
W
p
e
r M
B
it
s
/s
e
c
iscsi jumbo
iscsi standard
IXS/IXA