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To: Eleder2020 who wrote (12505)11/15/1997 8:08:00 PM
From: Nine_USA  Read Replies (1) | Respond to of 29386
 
science.nas.nasa.gov

(undated, but doesn't hurt to know Nasa is a customer .. HH)

Fibre Channel

Fibre Channel (FC) is a versatile technology, defined by the Fibre Channel Standard (FCS), that offers both circuit switching
and packet switching at multiple data rates [14]. Fibre Channel topologies include point-to-point, loop, or switch (which is
called a fabric). Information can flow between two ports in both directions simultaneously. The data is sent in frames that are
maximum 2148 bytes long (2048 bytes data, 64 bytes optional header, and 36 bytes for addresses and link control
information). For this work, we used the Ancor MCA CIM 250 Interface Adapter and Ancor CXT 250 Fibre Channel Switch
which has a 25 Mbytes/s data rate per port [1]. The CXT switch is a two-dimensional switching architecture that uses both
space-division and time-division interconnection techniques. Space division switching allows direct connections between
nodes on the network while time division switching allows time-multiplexed connections among all nodes on the network.



To: Eleder2020 who wrote (12505)11/16/1997 9:59:00 AM
From: Steve Scribe  Read Replies (1) | Respond to of 29386
 
<<<They try to develop products in house, set
standards, get patents and when that fails they wait and buy the best available company
to position themselves in the targeted market.>>>

Looks like SSA turned out just like OS2. IBM once again failed in their
attempt to set and control the standards themselves. Now they have
conceded defeat and are going with Fibre Channel (an open standard).

You raise another possible scenario. Ancor does several storage OEM's
next year including one with company X. Company X uses the Ancor MKII
switch as part of their FC storage product line. Company X is very
successfull and IBM buys the company. Now IBM uses their sales and
marketing muscle to greatly expand company X's sales. Now Ancor
has IBM selling their switch. That's a scenario I wouldn't mind seeing.

Regards,
Steve