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daleste
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That's a lot of connections
daleste   2/28/2014 8:26:42 PM
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I guess the bandwidth of most IofT devices will be small, but with that many, it could stress the system.  I guess we need more digits added to the IP address now.

chanj0
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Re: That's a lot of connections
chanj0   2/28/2014 8:34:28 PM
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IPv6 seems to be inevitable and yet, the lengthy address could be a challenge to the communication among IoT devices and gateway.

Pablo Valerio
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Re: That's a lot of connections
Pablo Valerio   3/1/2014 11:34:03 AM
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@chanj, I believe IPv6 could solve many issues. For starters it could render NAT obsolete, and allow direct IP connections to occur.

There are enough IPv6 addresses to assing an unique IP to a single brick.

unggul
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Re: That's a lot of connections
unggul   3/7/2014 5:50:33 PM
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please have a look at 6lowpan. works have been done a lot in simplifying ipv6 for sensor nodes.

sushantsaraswat
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Re: That's a lot of connections
sushantsaraswat   3/13/2014 6:33:03 AM
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IPV6 will be the perfect solution to accomodate the requiremtn of being uniquely identified by each connected device.

Also, it will be interesting to know which organizations are driving this forward in terms of building platforms,
products. Also the role software vendors would play in this huge ecosystem.

Following up on this, I came across and registered for a webinar on Internet of Things- Driving the Next Decade http://j.mp/1lvIuQC

prabhakar_deosthali
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Re: That's a lot of connections
prabhakar_deosthali   3/13/2014 7:50:17 AM
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True! IPV6 will solve the problem of unique adddresses to the devices .

But what about the bandwidth requirements.

Assuming we allow free flow trafic between all the devices world wide over the internet of things , the bandwidth requirements of routers,swicthes and all those intermediataries will increase many thousand times . The wwwhole internet infrastructure will need an overhaul.

Pablo Valerio
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Re: That's a lot of connections
Pablo Valerio   3/20/2014 11:57:07 AM
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@prabhakar_deosthali, that's true but we are only starting to scratch the surface of the IoT ecosystem, and most devices only transmitt a few kbytes of data.

Using IPV6 and a combination of 3G/4G/5G networks can support the connectivity. Bandwidth problems are occurring because heavy use of multimedia applications on mobile devices, something it didn't happen until a few years ago. 



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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