Skip,
Aren't the closing lines after Eclipse something like this? "There is no dark side of the moon really. Matter of fact it's all dark." Ron > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On > Behalf Of Skip Robinson > Sent: Friday, 2 February 2007 12:29 PM > To: [email protected] > Subject: Re: Cascaded FICON and HCD > > Um, I think I missed the point of the question with my earlier post. > Thanks to Ron and Tom for providing the actual answer. > > An important characteristic of DWDM is that it's 'content unaware'. It > doesn't know the nature of the data being transmitted any more than the > pipes in your house know about water quality. Traditional channel > extenders are all about mainframe I/O--up to and including simulation of > ESCON switches. > > P.S. Although my cousin refuses to believe that she was hoodwinked by Pink > Floyd, the moon has no dark side. I might as well try to convince her that > people are descended from monkeys. Science schmience. > > > > > > Ron Hawkins <[EMAIL PROTECTED]> > Sent by: IBM Mainframe Discussion List <[email protected]> > 02/01/2007 07:55 PM > Please respond to > IBM Mainframe Discussion List <[email protected]> > > > To > [email protected] > cc > > Subject > Re: Cascaded FICON and HCD > > > > > > > Dark Fibre - Fibre between two sites that is not shared > > DWDM=Dense Wave Division Multiplexor > WDM turns a dark fibre into many dark fibres by using slightly different > wavelengths for each fibre connected. "Think of the cover of Dark Side of > the Moon". > > > > > -----Original Message----- > > From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On > > Behalf Of Rick Fochtman > > Sent: Friday, 2 February 2007 10:21 AM > > To: [email protected] > > Subject: Re: Cascaded FICON and HCD > > > > ----------------------------<snip>--------------------------- > > The short answer is Yes, you can do it. FICON is so fast that you should > > not have trouble with 12 drives--assuming that distance is not a > > problem. I don't know what the native limitations are, but we use DWDM > > to 120 KM. > > > > Actually in the 'olden days' of ESCON, channel extender products > > provided a similar capability, but the pathing was not known to MVS. > > FICON lets it all hang out. > > --------------------------<unsnip>-------------------------- > > Pardon me; my education is lacking. > > > > DWDM ?? "Dark fiber" ?? > > > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO > Search the archives at http://bama.ua.edu/archives/ibm-main.html ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
