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Category: Protocols

Understanding Spanning Tree Protocols – STP, RSTP, MSTP

  • Rajesh K
  • April 16, 2011May 5, 2011

STP is the short form for Spanning Tree Protocol & RSTP (Rapid Spanning Tree Protocol), MSTP (Multiple Spanning Tree Protocol) are all advanced/ improved implementations of STP. In this article,...

What you ought to know before deploying an 802.11n Wireless Network

  • Rajesh K
  • December 28, 2010May 5, 2011

We all know that the IEEE 802.11n standard for Wi-Fi supports up to 600 Mbps for creating a wireless network. But are all 802.11n compliant devices same? Is the 600...

What you need to know about SIP – Session Initiation Protocol

  • Rajesh K
  • November 16, 2010May 5, 2011

What is the right notation – IP Phones (or) SIP Phones? SIP, has become such a common protocol for voice communications over IP that we tend to think that SIP...

How IEEE 802.1x secures the Network edge

  • Rajesh K
  • October 6, 2010May 5, 2011

The Network Access to the IT network of any organization needs to be controlled right at the network edge – where the devices connect to the IP Network. In this...

Advantages and limitations of using sFlow for Network monitoring

  • Rajesh K
  • September 28, 2009May 5, 2011

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...

sFlow and its Applications for Network Monitoring

  • Rajesh K
  • September 28, 2009May 5, 2011

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...

An overview of SNMP – Simple Network Management Protocol

  • Rajesh K
  • August 15, 2009May 5, 2011

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...

What is a RADIUS server?

  • Rajesh K
  • August 10, 2009May 5, 2011

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...

An Overview of Syslog and Syslog Server

  • Rajesh K
  • July 27, 2009May 5, 2011

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...

Quality of Service in Wireless Networks – WMM and WMM-SA

  • Rajesh K
  • June 27, 2009September 5, 2011

This article introduces the QoS mechanisms followed by a wireless network like WMM(Wireless Multi-Media) and WMM-SA(Wireless Multi-Media Scheduled Access) which are both standards based and help wireless networks to reliably...

What is LDAP and why is it required for an organization?

  • Rajesh K
  • June 23, 2009May 5, 2011

This article presents a small introduction to LDAP – Lightweight Directory Access Protocol – explaining what it is and why you need to implement LDAP directory in an enterprise/organization. It...

What is IPv6, what are its Conventions, Features and Advantages

  • Rajesh K
  • June 14, 2009May 5, 2011

This article is to explain what is IPv6, how does it differ from IPV4, what was the necessity to come up with IPv6, a basic IPv6 address and its compositions,...

What is IEEE 802.11n, what are the advantages and challenges for 802.11n in Wi-Fi networks

  • Rajesh K
  • June 11, 2009May 5, 2011

This article explains the IEEE 802.11n standard for wireless (Wi-Fi) networks, what is the bandwidth supported by this standard, what is the distance covered by access points employing 802.11n, the...

Infiniband, IBoE and their advantages in High Performance Computing

  • Rajesh K
  • June 9, 2009May 5, 2011

This article is to introduce the Infiniband technology (which is commonly used in High Performance Computing for Inter Process Communication to enable server consolidation) and discuss the advantages of the...

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