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Frank 12/5/2012 | 3:34:13 PM
re: Who Makes What: GPON Equipment While we're on the subject of PON's timing dynamics, I'd be most interested in seeing a comparative analysis --most likely a sliding-scale view based on total system load-- of delay performance measurements across a broader range of EPON and GPON designs.

Absolute propagation delay and turn-around time, while usually not a major concern for most residential triple play purposes (with some possible exceptions, such as channel-changing times), can impact some enterprise applications very dramatically.

In some financial trading floor applications, for example, securities firms go to great lengths to shave off every thousandth of a second possible. Sometimes, when this is not achievable, they will move their servers (and sometimes personnel, to boot) geographically closer to targeted ticker plants and trading application servers.

While I'm not suggesting that this would be a matter of high importance for most residential triple-play situations, or even for the vast majority of information-worker situations, I should however state in no uncertain terms that, absolute delay is high on the list of purchasing criteria for a select range of critical desktop users in the enterprise.
cw.774 12/5/2012 | 3:34:13 PM
re: Who Makes What: GPON Equipment yea, i get it
tell fabius
fabius 12/5/2012 | 3:34:12 PM
re: Who Makes What: GPON Equipment Obviously what you are saying has been implemented by the vendors.... But there are still cases in which a fail in the ONT can switch off the entire PON....we have not seen in the field but simulated in the lab. As the number of ONT very large even a small probability can create problems in the operation.
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