[c-nsp] synchronisation

[Edward Salonia]

Are you possibly referring to SyncE?

http://www.cisco.com/en/US/prod/collateral/routers/ps9853/white_paper_c11-500360_ns523_Networking_Solutions_White_Paper.html

-----Original Message-----
From: ujjwal maghaiya <ujjwal_12 at hotmail.com>
Sender: cisco-nsp-bounces at puck.nether.netDate: Mon, 23 Apr 2012 10:26:53 
To: <jay at west.net>; <cisco-nsp at puck.nether.net>
Subject: Re: [c-nsp] synchronisation


hi, 
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.net
> To: cisco-nsp at puck.nether.net
> 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.net
> Impulse Internet Service - http://www.impulse.net/
> Your local telephone and internet company - 805 884-6323 - WB6RDV
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