Bandwidth Management Fundamentals

What is Bandwidth?

Bandwidth describes the maximum data transfer rate of a network or internet connection. It measures how much data can be sent over a specific connection in a given amount of time. For example, a gigabit Ethernet connection has a bandwidth of 1,000 Mbps, (125 megabytes per second).

While bandwidth is used to describe network speed, it does not measure how fast bits of data move from one location to another. Since data packets travel over electronic or fiber-optic cables, the speed of each bit transferred is negligible. Instead, bandwidth measures how much data can flow through a specific connection at one time.

What is Bandwidth management?

Bandwidth management is the process of measuring and controlling the communications (traffic, packets) on a network link, to avoid filling the link to capacity or overfilling the link, which would result in network congestion and poor performance of the network. Bandwidth management is measured in bits per second (bps) or Bytes per second (Bps).

Bandwidth Management Policy

Most of the Bandwidth Manager offer following option to create bandwidth management Policy:

  1. Assign Bandwidth(Upload/Download) on a group with Maximum and Minimum Bandwidth Option
  2. Have option to assign user under a group and also assign Bandwidth to a user.
  3. Prioritized user for Bandwidth consumption, such as, we have assigned 1 Mb bandwidth for a group and 1 mbps per user (2 User) of this group. Suppose, User 1 have higher priority than User 2, which means User 2 will get the unused bandwidth, if any, whenUser1 does not consume its Full Allocated Bandwidth.
  4. Prioritized Group, same as above.
  5. Assign Bandwidth on User’s workstation MAC Address.
  6. Assign Bandwidth for a User base on specific Protocol.

Why do we need Bandwidth Management

  1. Slow down the greedy, bandwidth-­hungry programs
  2. Prioritize the important, high-priority traffic
  3. Optimize the Network traffic to increase efficiency

rate of a network or internet connection. It measures how much data can be sent over a specific connection in a given amount of time. For example, a gigabit Ethernet connection has a bandwidth of 1,000 Mbps, (125 megabytes per second).

While bandwidth is used to describe network speed, it does not measure how fast bits of data move from one location to another. Since data packets travel over electronic or fiber-optic cables, the speed of each bit transferred is negligible. Instead, bandwidth measures how much data can flow through a specific connection at one time.

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