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Why IPV6

MUKUL JOSHI
Level 1
Level 1

‎08-13-2011 08:04 PM - edited ‎03-01-2019 05:29 PM

   Hi,

I have one question.Why IPv6 came straight after IPv4 and ipv5 was not introduced?

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4 Replies 4

Nagendra Kumar Nainar
Cisco Employee
Cisco Employee

‎08-13-2011 11:28 PM

Hi Mukul,

Aroud 1993, when IPv4 exhaustion was predicted by experts, people started developing Stream protocol 2 (ST2) which is basically some enhancement on ST.

I beleive IBM, NeXT had this protocol implemented in their network. But technologies like NAT, dynamic address allocation kept address exhaustion under control and gave enough time to develop IPng protocol with lot of enhancements. ST2 was marked as IPv5 and IPng was designated as IPv6

I had the same doubt few years back. So did some search ad documented it in my blog

HTH,

Nagendra

MUKUL JOSHI
Level 1
Level 1
In response to Nagendra Kumar Nainar

‎08-14-2011 12:32 AM

Hello Narendra,

Thnx for ur reply

IS ST2 still being used for transmitting real time data.

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Nagendra Kumar Nainar
Cisco Employee
Cisco Employee
In response to MUKUL JOSHI

‎08-14-2011 03:45 AM

Hi,

To my knowledge, curretly this is not used.

HTH,

Nagendra

0 Helpful

MUKUL JOSHI
Level 1
Level 1
In response to Nagendra Kumar Nainar

‎08-14-2011 09:48 AM

Ok np

thnx for ur help Nagendra !!

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