HyperFabric Administrator's Guide (HP-UX 11i v1)
Planning the Fabric
Hyper Messaging Protocol (HMP)
Chapter 236
• Maximum Cable Lengths
HF1 (copper): The maximum distance between two nodes or between
a node and a switch is 60 ft. (2 standard cable lengths are sold and
supported: 35 ft. and 60 ft.)
HMP supports up to 4 HF1 switches connected in series with a
maximum cable length of 60 ft. between the switches and 60 ft.
between switches and nodes.
HF2 (fiber): The maximum distance is 200m (4 standard cable
lengths are sold and supported: 2m, 16m, 50m and 200m).
HMP supports up to 4 HF2 switches connected in series with a
maximum cable length of 200m between the switches and 200m
between switches and nodes.
HMP supports up to 4 hybrid HF1/HF2 switches connected in series
with a maximum cable length of 60 ft. between copper ports and
200m between fiber ports.
• HMP is supported on A400, A500, rp2400, rp2450, rp54xx (N-class),
rp74xx (L-class), rp8400, and Superdome servers running 64-bit
HP-UX.
• HMP is supported on workstations running 64-bit HP-UX when
patch number PHNE_25485 or above is installed.
• HMP is supported on HyperFabric starting HyperFabric versions
B.11.00.11 and B.11.11.01.
• HMP is not supported on the A180 or A180C server.
• HMP is not supported on 32-bit versions of HP-UX.
• Throughput and Latency
Table 2-4 HF1 Throughput and Latency with HMP Applications
Server Class Maximum Throughput Latency
rp 7400 1.28 + 1.28 Gbps full duplex per
link
< 26 microsec










