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Networking 101: Part IV - Networking Hardware - securitycamera2000 help
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Networking 101: Part IV - Networking Hardware

Post on 2nd of June, 2014
Networking Hardware
Your selection of networking hardware, including hubs, switches and routers is also important when installing an IP security solution. These devices are all used to connect computers together on a network, but each device has different capabilities.
Hubs
A hub is a device with multiple ports which has several cameras or computers connected to it. People often get hubs and switches confused. Hubs are the original switch, so to speak. There are some limitations with hubs. They have no real built-in intelligence for moving data between two devices more efficiently. Hubs also share total network bandwidth, so if you have a 100 megabit hub, and you have 8 items plugged into that hub, they have a maximum bandwidth of 100 megabits that they can share between them.
Switches
 D-Link 8-Port Gigabit Ethernet PoE Switch
D-Link 8-Port Gigabit Ethernet PoE Switch
Switches generally have some intelligence built into them. We call them smart switches. It really increases efficiency of data transmissions. What’s nice about a switch, and what separates it from a hub is you have a maximum bandwidth per channel, so if you have a gigabit switch, you have a gigabit per channel that you can push data through. This makes a switch a lot better than a hub.
Hubs and switches are fairly similar in price, but since switches allow for greater bandwidth per channel and more efficient data transmission, a smart switch can be a better choice than a hub.
Routers
A router is a much more intelligent device than a network hub or switch. Network routers serve as an intermediate destination for network traffic to ‘route’ data. The devices are designed to join multiple LANs and allow you to speak to different networks within a building, or even around the world.
If you have a LAN set up in your house, every device on your LAN can communicate with each other. A router provides your LAN or computer on your LAN with the ability to communicate with the Internet (WAN), and transmit data to a computer in another state, country or other distant location. Routers can be wired (using Ethernet cables) or wireless.
Networking Hardware
 
Your selection of networking hardware, including hubs, switches and routers is also important when installing an IP security solution. These devices are all used to connect computers together on a network, but each device has different capabilities.

 
Hubs
A hub is a device with multiple ports which has several cameras or computers connected to it. People often get hubs and switches confused. Hubs are the original switch, so to speak. There are some limitations with hubs. They have no real built-in intelligence for moving data between two devices more efficiently. Hubs also share total network bandwidth, so if you have a 100 megabit hub, and you have 8 items plugged into that hub, they have a maximum bandwidth of 100 megabits that they can share between them.

 
Switches 
dgs1008p_m.jpg_5.jpg
Switches generally have some intelligence built into them. We call them smart switches. It really increases efficiency of data transmissions. What’s nice about a switch, and what separates it from a hub is you have a maximum bandwidth per channel, so if you have a gigabit switch, you have a gigabit per channel that you can push data through. This makes a switch a lot better than a hub.
Hubs and switches are fairly similar in price, but since switches allow for greater bandwidth per channel and more efficient data transmission, a smart switch can be a better choice than a hub.

 
Routers
A router is a much more intelligent device than a network hub or switch. Network routers serve as an intermediate destination for network traffic to ‘route’ data. The devices are designed to join multiple LANs and allow you to speak to different networks within a building, or even around the world.
If you have a LAN set up in your house, every device on your LAN can communicate with each other. A router provides your LAN or computer on your LAN with the ability to communicate with the Internet (WAN), and transmit data to a computer in another state, country or other distant location. Routers can be wired (using Ethernet cables) or wireless.

Click here to read more:
Networking 101: Part I - Basics
Networking 101: Part II - Understanding IP Network Cabling
Networking 101: Part III - Network Cable Categories
Networking 101: Part V - Internet Protocols 
Networking 101: Part VI - IP Addresses Simplified

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