We have multiple sites, one in USA with 100 Hosts, One in Europe approx 150 hosts & one in India with 100 hosts.
All sites are interconnected. We are planning to implement Nagios monitoring system for all locations.
1 Can some one suggest me whether to go for only one Nagios server at main site and monitor other site hosts & services over WAN OR should we plan distributed architecture (Central & Local Nagios servers).
- Also I would like to know server hardware requirements for Nagios servers (Central & Local).
- How much will be network load if we decide to monitor all sites over WAN ?
Please suggest. Thanks in advance.