ujjwal_12 at hotmail
Apr 22, 2012, 9:56 PM
Post #3 of 4
thanks for the reply
but i dont think frequecy and time synchronisation are not the same thing. Specially in the field of telecommunication, radio part, frequecy synchronisation has great significance than time.
> Date: Sun, 22 Apr 2012 21:10:52 -0700
> From: jay [at] west
> To: cisco-nsp [at] puck
> Subject: Re: [c-nsp] synchronisation
> On 4/22/12 8:56 PM, ujjwal maghaiya wrote:
> > what is the type of synchronisation in CISCO devices,
> > Time synchronisationo or Frequency synchronisation or both???
> Depends on the context.
> NTP is time synchronization. (Clock/calendar time)
> T1 clocking is frequency synchronization.
> BGP/IGP synchronization is an entirely different animal.
> And from a practical standpoint, time synchronization and frequency
> synchronization are essentially the same thing. Frequency is nothing
> more than a measure of events per unit time.
> Jay Hennigan - CCIE #7880 - Network Engineering - jay [at] impulse
> Impulse Internet Service - http://www.impulse.net/
> Your local telephone and internet company - 805 884-6323 - WB6RDV
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