Why is it important to start thinking about IPv6 across your entire network especially the data center? Remember the term Y2K? The panic and haphazardness that was there to ensure every single device and application was compatible with Y2K? I see IPv6 as a similar situation except that there is no impending date forcing you to adopt it.
The more you wait, the more you lose time to develop IPv6 architecture with ease and peace of mind so that things are done right. And if not done way ahead of time, then you may end up doing things quickly to ensure the business is operational with a poorly designed and operated IPv6 network.
The Next Generation Data Center IPv6 is becoming ever increasingly important and critical with the success and proliferation of mobile devices and other such applications that require enormous addressing needs. Lot of customers are taking the first step to enable IPv6 in their Internet edge, Campus and WAN edges, but very few customer are realizing the importance of enabling IPv6 inside their data centers.
I came across few such customers that are eager to enable IPv6 inside the data center but have not done any planning or design. Before coming to the reasons why they are eager, it is nevertheless important to say that IPv6 is going to be the protocol of the future.
As an Advanced Services Solutions Architect for the Data Center Practices team, one of my jobs is to deliver planning and designing workshop for customers who are looking into building their “next generation data center architecture”. The word Next Generation is enough to tell them that they should start not only planning and design but most importantly start assessing their data center devices and design to enable IPv6.
My Experience with Customers In this post, I want to share my experience with customers who are seriously planning to take the next step of building the next generation data center, yet are completely skipping IPv6 in their planning phase. For most of these customers, replacing the Catalyst platform with the newer Nexus platform is extent of building the next generation data center in their minds.
Others want to use the newer, cooler features in the Nexus platform like vPC, VDC, OTV and FabricPath. Agreed, that these features and architectures would entitle their data centers to be called “next generation” but the actual plumbing of the new data Center is still the same: IPv4.
Change the Plumbing, its time In my view, the real next generation architecture is where you enable the new plumbing system inside the data center and be ready to shift to the enormous and powerful protocol when the business needs you to.
Migrating or integrating IPv6 is not a job that will take few days or months. It will take serious planning and effort to ensure that the expertise in-house is familiar and comfortable with the gigantic protocol whose similarity with IPv4 ends at the first three letters used to represent both the protocols: IPv
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