Table of Contents

Cisco CCDE v3 Training

71:39:25 Hours
226 Lectures
Expert

$1000

Cisco CCIE Service Provider Training

96:02:27 Hours
242 Lectures
Expert

$1000

IPv6 Zero to Hero Course

08:24:13 Hours
54 Lectures
Intermediate

$39

IPv6 Business Drivers and PI/PA Address Space

IPv6 Business drivers can be many and different businesses have different reasons to deploy IPv6 on their network. IPv6 is more commonly deployed in the Service Providers than Enterprises or Small Medium Businesses. Do you know why ?   Main reason is IPv4 address space exhaustion. There is no available public IPv4 addresses in the RIR (Regional Internet Registries).

Thus, when Service Providers want to allocate an IPv4 address to their customers, one of their options is to deploy IPv6.   There are many other reasons to deploy IPv6 in both Service Providers and the Enterprises and I explained many IPv6 business drivers in the below video, along with Provider Independent and the Provider Address Blocks.   Also, understanding Provider Independent (PI) and Provider Assigned (PA) address blocks is important because there are some design tradeoffs.  

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Orhan Ergun

Orhan Ergun, CCIE/CCDE Trainer, Author of Many Networking Books, Network Design Advisor, and Cisco Champion 2019/2020/2021

He created OrhanErgun.Net 10 years ago and has been serving the IT industry with his renowned and awarded training.

Wrote many books, mostly on Network Design, joined many IETF RFCs, gave Public talks at many Forums, and mentored thousands of his students.  

Today, with his carefully selected instructors, OrhanErgun.Net is providing IT courses to tens of thousands of IT engineers. 

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