[cisco-voip] Phone tftp client vs ftp client

[Jason Aarons (US)]

I wonder if there are any long term plans to switch from tftp to ftp as phone image files keep growing  larger.....seems a phone across a slow wan shouldn't take 15-20 minutes to upgrade a 9MB image.  I switched to ftp/http for router upgrades years ago as it was almost twice as fast. Wish the phones would change from tftp to ftp or http, etc.

TFTP benefits
  Small footprint client

TFTP limitations
  ACK every packet
  512 byte packet size maximum

FTP benefits
   1500 byte packets
   Scaling windows TCP, etc
   No real drawbacks except client footprint is larger



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