Today an increasing number of IT professionals focus their attention on network reporting. There are a lot of reasons for this. Indeed, reports synthesizethe operational analytics which reflect the health of applications and IT infrastructure, allowing to:
Diagnosing network performance issues is part of your daily work. Whatever the network diagnostic tools you use, it is important to understand what are the symptoms of network performance degradations and what are the most likely root causes for them.
Accelerating troubleshooting operations is key to maintain the business productivity through excellent end-to-end user performance rates.
The DNS (Domain Name System), which has been defined in detail in the RFC #1034 and 1035, is key to the good performance of TCP/IP networks. It works in a hierarchical way; This means that if one of the DNS servers is misconfigured or compromised, all the network, which relies on it, is also impacted.Although the DNS protocol is quite simple, it generates a significant number of issues: configuration issues,
Wireshark is the most famous protocol / packet analyzer on the market! Almost any engineer use Wireshark for troubleshooting network / application issues.
Citrix XenApp is widely used to facilitate the access of remote users to applications; in many cases of performance complaints and degradations, Citrix XenApp is one of the links which need to be analyzed.