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Netzwerk Management Software

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Netzwerk-Management-Software im Vergleich

Die manuelle Überwachung von Servern ist nicht nur zeitaufwendig, sie ist ab einer gewissen Größe des IT-Netzwerks auch nicht mehr praktikabel. Hier empfiehlt sich der Einsatz eines Netzwerk-Management-Systems (NMS). bladerack_hp_120Leider ist die Zahl der angebotenen Überwachungs-Lösungen nur noch schwer überschaubar und sie unterscheiden sich in  Leistungsfähigkeit, Bedienbarkeit und Preis um Größenordungen. Eine einzige, “beste NMS-Lösung” kann es nicht geben, schon weil die Anforderungen an ein solches System bei einem multinationalen Konzern und einem kleinen Verein radikal verschieden sind. Gerade deshalb sollten Sie zumindest ein paar NMS-Systeme evaluieren, um nicht viel Geld und Zeit für ein unbrauchbares Tool zu verschwenden. Wir haben daher die bekanntesten und vielversprechendsten Lösungen einem Kurztest unterzogen und in einer Liste zusammengefasst. Enthalten sind nur Produkte, deren Einsatzgebiet speziell die Überwachung von Servern ist, Lösungen mit anderen Schwerpunkten haben wir dabei außer acht gelassen, wie z.B. Deployment / Application Management Produkte (Novell Zenworks, Microsoft SMS), Performance Measurement Systeme (NetQuos, Solarwinds Orion) oder Software, die lediglich Webserver überwacht.

Groundwork Monitor  groundworkopensource.com

Open Source project that wraps Nagios, NMAP on PHP and Apache with a new web  frontend that does not live up to its aggressive marketing claims in terms of usability. Functionally enhanced small business and professional versions are available at annual subscription fees of 8,000,- and 16,000,- US$ respectively.

Pros: broad range of agents and additions due to Nagios core, active development and commercial support available.

Cons: Judging from the support forum comments, installation of the numerous components can be a nightmare unless bootable ISO / VMware appliance images are used.

HP OpenView  openview.hp.com

De-facto standard and most widely deployed NMS framework targeted at large, heterogeneous IT environments. Despite being maintained by Hewlett Packard Inc., the software is not limited to the management of HP hardware. A large number of companies offers add.-ons and interfaces for this management platform.

Pros: widely deployed in large it environments, very powerful, many add-ons.

Cons: Complexity and price make it less suited for smaller organizations.

 

Nagios  nagios.org

Currently the most widely implemented Open Source Network Management Solution. Based on Linux, Nagios exceeds the usual IP and SNMP testing by offering an extensive set of collector plugins, that allows to gather performance and availability data from a broad range of operating systems including Windows and Netware. While installation is straightforward and complies to proven Linux standards, its web based user interface is carelessly designed, old-fashioned and not very well organized. However, even the simplest management tasks, such as adding new network devices must be done by manually editing configuration files at the linux operating system level. A linux specialist may craft an incredibly powerful network management system with Nagios, but real world IT departments will most likely expect a much more user friendly and collaborative management interface.

Pros: Free Open Source Solution, very powerful agents

Cons: Mediocre Web GUI, steep learning curve, devices and tests need to be managed via config files.

NetXMS  tip netxms.org

This is an interesting new Open Source project with the core server running on Windows or Linux and the broadest database selection that we have seen so far in any NMS server, including MS SQL, IngreSQL, MySQL, Oracle and SQLite embedded. It uses SNMP as well as its own Windows or Linux agent and is designed to discover network nodes automatically. While installation is much easier than with most comparable systems, the implementation of a dedicated client software is a bit odd. Adding devices and changing configuration can only be done via the client software, a separate web interface for standard web browsers or mobile devices can only monitor and acknowledge events and uses different views than on the management client. If NetXMS would have a unified web interface instead, it could become a killer application.

Pros: Multi Platform, dedicated agents, broad Database support, Auto Discovery, Magic Packet Wakeup.

Cons: Needs dedicated client software for configuration, not yet widely deployed

Op5  www.op5.com

op5 Monitor is able to see through all layers, including applications, services and traffic across all platforms such as Intel, AS400, AIX, HP_UX, vmware, KVM, XEN and operating systems such as Linux, Novell, Solaris and Windows. Commercial product  with free 20 device entry level license.

OpenNMS  opennms.org

This is the oldest Open Source Network Management project around. This Linux package is built around Java, Tomcat, PostgreSQL and RRD Tool and was designed explicitly to manage large enterprise networks and to compete against HP OpenView and Tivoli. Bulk addition of IP hosts is very easy and the software will instantly monitor basic services and even show ICMP response time graphs. Many advanced features seem to be added in a crude way, however. The Web GUI itself is not entirely bad but would urgently need a complete structural redesign. With the capability of managing thousands of devices one would expect some sort of view categorized by location or groups, but not a linear list view scrolling down endlessly. As with many Java applications the software is somewhat flaky and dependent on specific Tomcat versions. Unless you are firmly familiar with Java programming, debugging and fixing error messages is not trivial.

Pros: Free Open Source Solution, usable for a large number of IP hosts, basic monitoring is very easy, offers ICMP response time monitoring.

Cons: Web GUI would need complete overhaul, linear device list, only IP based monitoring (no shared websites for example.) Java code is difficult to debug and flaky.

 

OpManager  adventnet.com

Powerful commercial network management system that can be very quickly installed on Windows and is managed via web frontend. It comes with an embedded MySQL engine but can also be used with a dedicated MySQL database. The server software runs as a windows service and is written mostly in Java. Usability of the web GUI is good. During our evaluation auto-discovery did not work and classifying network devices was found to be a bit clumsy. There is no feedback at all during SNMP discovery, which is annoying, since it is not obvious which of the numerous SNMP community strings is actually used. We liked the ability to manually re-discover a single device, and the software comes with a large repository of MIBs that include many firewall models of different manufacturers. Graphing is  good and includes latency times for each device. The software includes a large number of predefined reports and there are numerous add-on products available. Free single user license fpr 20 devices, up to 10,000,- US$ for unlimited version, plus numerous add-on prices.

Pros: Easy setup, broad feature base, immediately usable GUI, good graphing.

Cons: Price.

Server Monitor Professional  Pure Networking

Very simple but straightforward availibility monitor for IP hosts and services. Runs as a Windows service and has an easy to use graphical web browser interface that allows to group devices by customer or location. No SNMP support Unfortunately, development seems to have stopped years ago.

Servers Alive tip woodstone.nu

One of the oldest Windows server monitoring tools around. If you are looking for a quick way to automatically check ping, TCP, windows services, web server response and free disk space on just a few hosts, then this is the right tool for you. Setup could not be easier and the user interface is self explanatory, so you can set up a basic monitoring system in a matter of minutes. However, there is no database, no data graphing, no SNMP device discovery and neither web GUI nor a client server model. License price is 199,- / 299,- US$.

Pros: Unbeatable simplicity and ease of use for simple ping and service monitoring, ideal for checking availability of just a few devices.

Cons: No data graphing, no reporting, no SNMP, can only be used by one person at a time.

SNMPc  Castle Rock Computing

Commercial, Windows based Network Management solution. This is the right choice for people looking for a proven, powerful, yet easy to use based management software, but don´t want to bother with the complexity of NetView or Tivoly and don´t want to build a linux based system. Allows reports and trend graphs and autodiscovery, License prices range from 1.000,- to 7.000,-. US$

Spiceworks Desktop tip spiceworks.com

Free, Ad financed Network Management solution for up to 250 servers that runs on windows and can be set up within minutes. It features a configurable portal page, agent-less discovery via SNMP, SSH and WMI with alerting and reporting. Even though it lacks trending and advanced diagnostic features, it´s excellent Ajax based web frontend clearly sets it apart from the rest of the pack. We found the difference viewer between any two devices to be very useful. Out of the box this solution includes the ability to edit comments, serial numbers, trouble tickets, patch history and virus definition check.

Pros: Excellent user interface, easy to install, small foot print.

Cons: No data graphing and performance monitoring (yet?), integrated community and ad functions may raise some security concerns, unnerving ad bar.

Whatsup Gold  ipswitch.com

Commercial, Windows based Network Management solution with a long development history from a simple IP ping tester to a full fledged WMI and SNMP based network management solution with IPv6 support, SQL and Exchange monitoring, drag and drop MIB import and much more. Our demo software refused to install on a up to date Windows 2003 R2 server, however. License prices range from 2.000,- to 7.000,-. US$

 

Zabbix tip zabbix.org

Newcomer in the Management arena based on Linux, PHP and MySQL. Has a quite usable and well organized web interface that makes it worth considering. Installation needs some Linux and PHP expertise, since documentation is lacking, but once this is done, you have a well designed management system for small to medium size networks  Flexible Alerting based on Users / Groups. Trigger Expressions are very elegant from a mathematical standpoint, but hard to grasp for administrators expecting preconfigured defaults.

Pros: Open Source, well designed Web GUI and overall concept, good alerting, dedicated agents. active community.

Cons: Suitability for large networks with 1000+ nodes questionable due to PHP performance and Web GUI limitations, No realtime tests, complicated templates and alerting rules.

Zenoss tip zenoss.org

Probably the most innovative and elegant Open Source solution available. Has still some rough edges but basically ready for production use, but it really shines in elegance and usability and even promises to support medium to large IT environments. Unless you must use a windows based solution, you should definitely evaluate this one.

Pros: Open Source, very interesting and powerful concept, very good user interface.

Cons: complicated zope object data base, WMI collection of Windows hosts is somewhat flaky, tendency to flood alerts.

Zyrion Traverse  www.zyrion.com

Zyrion Traverse is a powerful but expensive Cloud Monitoring, Network Performance Monitoring, Server Monitoring and Systems Monitoring software solution, with integrated Business Service Management (BSM) functionality.

 

 

 


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