Replication of Virtual Infrastructure to a DR Site

Hi there Experts,

Assuming that I have 2 identical vSphere infrastructures (servers/storages/networking equipment)
in 2 different countries and there are connected each other via an internet line.

So there is the Site-1 and the DR-Site-2.

Scenario A:

-All users are connected and using only Site-1. Every afternoon the Site-1 replicates to DR-Site-2.
-In case of Site-1’s failure the users will be redirected to DR-Site-2.
-Once the Site-1 is operational again the replication procedure will be reversed and the DR-Site-2 will send the “new changes” to Site-1.
-Once they are both synced the users and replication will switch back to Site-1.

The above scenario would be applicable with replication software (i.e. veeam)
and given that the internet line is fast enough, the RTO would be normally less than a day.

Scenario B:

- A group of users are connected to Site1 and the rest group of users are connected to DR-Site-2.

Question1: Are the logical assumption of Scenario A correct?

Question2: What kind of network equipment, software and network line would be required in order both Sites to be synchronous at the same time?
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Aaron TomoskyDirector of Solutions ConsultingCommented:
Look at VMware replication and SRM (site recovery manager
mamelasAuthor Commented:
Dear Aaron,

Thank you for joining the question.

As far as I know the VMware replication and SRM are suitable for DR sites and recovey.

But what type of Software do I need in case that Site1 and Site2 are working in parallel?
SRM can be used in an active active setup, where site 2 can failover to site 1 and site 1 can failover to site 2, and the replication will work both ways
mamelasAuthor Commented:
Dear piedthepiper,

Thank you for your reply!

Could you provide me relevant documentation??
mamelasAuthor Commented:
I've requested that this question be deleted for the following reason:

Partially answered.

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I have provided details on bi directional relationship including a link to Mike Lavericks vmug wiki on the subject
mamelasAuthor Commented:
Thank you for the info!
Sorry for the delay I totally forgot about this till the reminder came up! I would recommend Mike Lavericks book on SRM, eve though its for 5.0 its core details remain the same and are valid
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