Due to rapidly increasing bandwidth and security concerns, the adoption of fiber optic technology, an industry expected to reach around USD 3.72 Billion by 2022, has generated a lot of talk about what the future of connectivity holds. In fact, talk about the end of ethernet, or copper gigabit networks has been going on for years.
With new technology advances, covering longer distances and faster speeds, it may seem like a no-brainer to transition to fiber optic cables. Even with data center architecture under pressure to evolve, copper still remains as a bedrock because of its cost, performance and reliability.
In fact, this is why we see many industries expanding their copper footprint instead of switching to fiber. The global Industrial Ethernet cables market is expected to trend up with CAGR (compound annual growth rate) of around 17% by 2020.
Beyond the data center, copper is proving its worldwide demand in critical infrastructure, remote sites, legacy protocols, edge of the network, industrial ethernet, office space, server farms, the internet of things (IoT), and in developing countries.
What a lot of these use cases have in common is the need for consistency in a demanding environment, where factors such as vibration, temperature, and water immersion must be taken into consideration when making your connectivity selection.
Garland understands industry trends, and with copper accounting for 77% of the total market, we continue to offer new copper gigabit solutions while continuing to invest in research and development of new products. Pushed by the demand of integrating older technology, we have developed industry leading copper solutions for the DOD, industrial ethernet and custom military deployments for tanks and humvees, and are slated to release 2-3 new products in copper this year including 100BASE-FX and USB options.
With these ethernet environments in mind, Garland has worked to develop features for copper networks that set the industry standard including:
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If the inline security tool goes off-line, the TAP will bypass the tool and automatically keep the link flowing. The Bypass TAP does this by sending heartbeat packets to the inline security tool. As long as the inline security tool is on-line, the heartbeat packets will be returned to the TAP, and the link traffic will continue to flow through the inline security tool.
If the heartbeat packets are not returned to the TAP (indicating that the inline security tool has gone off-line), the TAP will automatically 'bypass' the inline security tool and keep the link traffic flowing. The TAP also removes the heartbeat packets before sending the network traffic back onto the critical link.
While the TAP is in bypass mode, it continues to send heartbeat packets out to the inline security tool so that once the tool is back on-line, it will begin returning the heartbeat packets back to the TAP indicating that the tool is ready to go back to work. The TAP will then direct the network traffic back through the inline security tool along with the heartbeat packets placing the tool back inline.
Some of you may have noticed a flaw in the logic behind this solution! You say, “What if the TAP should fail because it is also in-line? Then the link will also fail!” The TAP would now be considered a point of failure. That is a good catch – but in our blog on Bypass vs. Failsafe, I explained that if a TAP were to fail or lose power, it must provide failsafe protection to the link it is attached to. So our network TAP will go into Failsafe mode keeping the link flowing.
Single point of failure: a risk to an IT network if one part of the system brings down a larger part of the entire system.
Heartbeat packet: a soft detection technology that monitors the health of inline appliances. Read the heartbeat packet blog here.
Critical link: the connection between two or more network devices or appliances that if the connection fails then the network is disrupted.