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Active N/w Components
Need, Standards, Salient points and Challenges for 10GE (10 Gigabit Ethernet) adpotion
Gigabit connections, which were earlier used for interconnecting network switches (hence forming the backbone connectivity) have become common to connect the desktop. Is 10 GE (10 Gigabit Ethernet) then taking over any time soon both for interconnectig switches as well as directly connecting the servers? We would explore on whether there is a need... »
Why Manageable Switches are required even and especially at the Network Edge
This article gives an overview of why manageable switches are required, what features set them apart from unmanaged switches, and why you might want to invest a little more to accommodate managed switches even and especially at the network edge - switches which you use to connect the PC's. »
What are the various ways to extend a Local Area Network (LAN)
This article talks about the various ways of extending a Local Area Network (LAN) segment using wired, wireless as well as service provider options. »
Advantages and limitations of using sFlow for Network monitoring
This article is about the advantages and disadvantages of using sFlow technology for network monitoring and enabling basic level network security. We discuss about the multi-vendor support for sFlow, its hardware implementation, how it provides a 30,000 foot view of the whole network and many more advantages and limitations as well. »
sFlow and its Applications for Network Monitoring
In this article we look at what is sFlow, what are the components of sFlow, how sFlow helps big networks to monitor the network usage and security parameters through packet sampling and the various applications of sFlow technology in enterprise networks. »
An overview of SNMP – Simple Network Management Protocol
If there is a huge network - it needs to be managed! That's where SNMP comes in. With a plethora of network devices now supporting this protocol, it has become quite indispensable. In this article, we will see what is SNMP protocol, why and where it is used, components of SNMP protocol, introduction... »
What is a RADIUS server?
We all have heard a lot about the RADIUS server. We know it is sitting somewhere in the network, authenticating all the users. What exactly is this RADIUS server? How does it Authenticate, Authorize and Account for individual users and sessions? Let us find out in this article. »
Performance Monitoring of Enterprise Networks
Did you know that a video conferencing application needs a latency less than 300 ms to give a good quality video images in your IP Network? There are other real time applications that require the network to maintain an optimum performance. Let us explore what parameters of the network performance could be monitored, in... »
What is NAT and why is NAT Traversal required?
This article gives an introduction to NAT - Network Address Translation, explains why NAT is required, gives an introduction to NAT Traversal (required for certain streams like SIP/H.323) and lists the techniques available for doing the NAT Traversal. »
An Overview of Syslog and Syslog Server
This article gives a short introduction to Syslog and Syslog server, how they help in monitoring of the network devices by storing and retrieving the logs generated by the network devices in a data base format, how messages are logged in a Syslog server, filtering rules in a Syslog server, options for alarm generation... »