One of my readers sent me this question:
Using SSL over the Internet is a must when dealing with sensitive data. What about SSL between data center components (frontend load-balancers and backend web servers for example)? Does it make sense to you? Can the question be summarized as "do I trust my Datacenter network team"? Or is there more at stake?
In the ideal world in which you’d have a totally reliable transport infrastructure the answer would be “There’s no need for SSL across that infrastructure”.
Read more ... Not everyone wants another box at the branch.
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Broadcom released some information about the new Tomahawk II chip last week in a press release. For those who follow hardware, there are some interesting points worth considering here.
First, the chip supports 256x25g SERDES. Each pair of 25G SERDES can be combined into a single 50g port, allowing the switch to support 128 50g ports. Sets of four SERDES can be combined into a single 100g port, allowing the switch to support 64 100g ports.
Second, there is some question about the table sizes in this new chip. The press release notes the chip has “Increased On-Chip Forwarding Databases,” but doesn’t give any precise information. Information from vendors who wrap sheet metal around the chipset to build a complete box don’t seem to be too forthcoming in their information about this aspect of the new chip, either. The Tomahawk line has long had issues with its nominal 100,000 forwarding table entry limit, particularly in large scale data center fabrics and applications such as IX fabrics. We’ll simply have to wait to find out more about this aspect of the new chip, it seems.
Third, there is some question about the forwarding buffers available on the chip. Again, the Tomahawk Continue reading