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Fibre Channel decline predicted for 2014

9/28/2011 11:20 PM EDT
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docdivakar
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re: Fibre Channel decline predicted for 2014
docdivakar   9/30/2011 8:59:45 PM
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@Bert22306: good points... Ethernet is well-entrenched in Datacenters because of its compatibility with older generations (10/100/1000Base) of which using the same form factor for connectivity has been an important feature. There will be other niche applications in the datacenters / HPC clusters like InfiniBand but they will always be limited in their adoption. @RickMerrit: regarding lack of standards for multihop FCoE switches, this may be some what of an issue but vendors like Cisco have approached this by seggregating fiber and copper interconnect applications based on the topology of deployments in Datacenters. There are augmenting hardware available now to address this issue but cost additions are not attractive. MP Divakar

chanj0
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re: Fibre Channel decline predicted for 2014
chanj0   9/29/2011 7:31:14 PM
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It's not a surprise to see the decline of Fiber Channel if FCoE devices becomes popular and iSCSI is picking up momentum. The prediction would be right if iSCSI gets a more wide spread adaption. To accomplish it, cost/ benefit between FCoE and iSCSI will need to be considered. What's the benefit of iSCSI over FCoE's?

Bert22306
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re: Fibre Channel decline predicted for 2014
Bert22306   9/29/2011 12:32:10 AM
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The name Ethernet trumps all. I've been following this trend since the early 1990s. First, when speed was increased to 100 Mb/s, Ethernet easily won out over other LAN standards, like Token Ring, 100VG, FDDI, and ATM, in cases where ATM was used for LAN service. Then, with speeds increased to 10 Gb/s and 40 Gb/s, and then 100 Gb/s and more coming, it started displacing SONET even in the WAN. Should anyone be surprised if it takes over the data center next? I'm not. One of the reasons for the success of Ethernet is that only the name and the frame format remain unchanged. The topology has changed with the times, always adopting the good ideas from the other standards, bypassing the mistakes of these others, and leaving behind its own initial handicaps (like the CSMA/CD protocol, now only used, if at all, in local links from host to switch). Another significant reason for its success is that it is a very compatible with Internet Protocols, where some of the others (notably ATM) were not. With the success of IP came a boost to Ethernet. And perhaps a third reason is that most networking people realised that throwing speed at a problem, when speed is cheap, is so much easier and more effective than designing complicated reservation and prioritization protocols on slower networks.

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