Ah yes, Larry Roberts. He seems to poke his head up every once in a while. From Caspian Networks, and now Anagran. He certainly likes to push flow routing, although it's been shown not to scale in practice.
This is a bit off topic, but I'm surprised how fast and loose congress is with the laws of this country in general. I hope that, within my lifetime, no change to the law is committed to the books without some kind of documentation, a diff if you will, complete with names of everyone who worked on a change, be it a lawmaker or lobbyist. If someone amended a bill, it should be tracked and tied with the name of the person who added the amendment. How come companies can be so strict with the source code of their revenue-generating products, yet we can't provide the same controls on the laws that govern the United States?
It's not about backups. I for one like to be able to rip my DVDs to watch on a personal video player (e.g. iPod Touch). Now I can buy my media once on Blu-ray and watch on everything from my big screen to my personal video player.
If people are worried about others reading RFID tags at will, why not add a mechanical switch to the tag that must be pressed for the tag to power up? Just insist on it. If it doesn't have it, it goes in the microwave. Sheesh, add a cheap membrane switch, not a firewall.
Current routers, like the Cisco CRS-1, use OC-768c/STM-256, which is about 40 Gbit/sec. Right now, there are a couple of camps in the IEEE, ones that want 40 Gbit Ethernet, others that want the factor of 10 increase that Ethernet has normally been associated with. Since there is no 100 Gbit SONET (that I'm aware of at least), these public demonstrations, this one by NTT and another by Lucent, prove that 100 Gbit Ethernet is possible, even for long haul. Some providers like at&t, Yahoo and Google, really need 100 Gbit Ethernet because they produce that much data, or provide 10 Gbit service to customers, and they need to aggregate it somehow.
Re:IP6s problem is the numeric addresses r so comp
on
The State of IPv6
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· Score: 2, Informative
The last 64 bits of an IPv6 address is usually a format called EUI-64. Actually slightly modified EUI-64 in that IPv6 complements the Universal/Local bit. You take your 48-bit MAC address (EUI-48) and split it in half. Insert 'FFFE' between the two halves. Then complement the next to the least significant bit in the first octet. So, to use your example, if your MAC address was 05-04-03-02-01-00 (which it could not be since this is a multicast MAC address), and your link prefix was 2001:1:2:3::/64, your autoconfigured address would be 2001:1:2:3:704:3FF:FE02:100.
You're right. There is a market hole out there right now that could be plugged. I've been hoping one of the mass-market vendors will pair a WAP with a router that will do IPsec. Netgear has a cheap NAT/VPN/Firewall box. I think they should pair this with a WAP and just run IPsec over the wireless link. Most modern operating systems support IPsec in one form or another. Screw WEP.
Actually, it is possible for an application to cause Spanning Tree to fail. Most switches have a management port that allow remote access (via telnet, ssh, SNMP, etc.) to the switch. This management port is normally connected to its own VLAN isolated behind a router so user brodcasts & multicasts in another VLAN can't affect the switch CPU. This port can be overrun with brodcasts and multicasts from user applications providing both the user and the switch are on the same VLAN. If this CPU is consumed by processing broadcasts, it may not have enough CPU time available to process and forward spanning tree BPDUs. If a blocked port becomes opened, a switch loop could form and, BINGO, network meltdown.
There is a declassified crypto algorithm, designed by the NSA, and available to you. It's Type 2 (good for sensitive but unclassified) called Skipjack. Available here.
Re:fix cableing screwups with power on the line?
on
Cheap Gigabit Ether
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· Score: 1
1000Base-T runs full-duplex. It uses technology similar to a standard analog telephone line (hybrids) that allow transmission and reception at the same time. Echo cancellers are required with this, however. Chris
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Ah yes, Larry Roberts. He seems to poke his head up every once in a while. From Caspian Networks, and now Anagran. He certainly likes to push flow routing, although it's been shown not to scale in practice.
This is a bit off topic, but I'm surprised how fast and loose congress is with the laws of this country in general. I hope that, within my lifetime, no change to the law is committed to the books without some kind of documentation, a diff if you will, complete with names of everyone who worked on a change, be it a lawmaker or lobbyist. If someone amended a bill, it should be tracked and tied with the name of the person who added the amendment. How come companies can be so strict with the source code of their revenue-generating products, yet we can't provide the same controls on the laws that govern the United States?
It's not about backups. I for one like to be able to rip my DVDs to watch on a personal video player (e.g. iPod Touch). Now I can buy my media once on Blu-ray and watch on everything from my big screen to my personal video player.
I've kept my laptop in a neoprene sleeve when going through security. 19 out of 20 times they won't make you remove the laptop from the sleeve.
If people are worried about others reading RFID tags at will, why not add a mechanical switch to the tag that must be pressed for the tag to power up? Just insist on it. If it doesn't have it, it goes in the microwave. Sheesh, add a cheap membrane switch, not a firewall.
Current routers, like the Cisco CRS-1, use OC-768c/STM-256, which is about 40 Gbit/sec. Right now, there are a couple of camps in the IEEE, ones that want 40 Gbit Ethernet, others that want the factor of 10 increase that Ethernet has normally been associated with. Since there is no 100 Gbit SONET (that I'm aware of at least), these public demonstrations, this one by NTT and another by Lucent, prove that 100 Gbit Ethernet is possible, even for long haul. Some providers like at&t, Yahoo and Google, really need 100 Gbit Ethernet because they produce that much data, or provide 10 Gbit service to customers, and they need to aggregate it somehow.
The last 64 bits of an IPv6 address is usually a format called EUI-64. Actually slightly modified EUI-64 in that IPv6 complements the Universal/Local bit. You take your 48-bit MAC address (EUI-48) and split it in half. Insert 'FFFE' between the two halves. Then complement the next to the least significant bit in the first octet. So, to use your example, if your MAC address was 05-04-03-02-01-00 (which it could not be since this is a multicast MAC address), and your link prefix was 2001:1:2:3::/64, your autoconfigured address would be 2001:1:2:3:704:3FF:FE02:100.
Politically Correct Version (sorta):
Bad Booze Rots Our Young Guts But Vodka Goes Well.
Get Some Now.
Chris M.
You're right. There is a market hole out there right now that could be plugged. I've been hoping one of the mass-market vendors will pair a WAP with a router that will do IPsec. Netgear has a cheap NAT/VPN/Firewall box. I think they should pair this with a WAP and just run IPsec over the wireless link. Most modern operating systems support IPsec in one form or another. Screw WEP.
Actually, it is possible for an application to cause Spanning Tree to fail. Most switches have a management port that allow remote access (via telnet, ssh, SNMP, etc.) to the switch. This management port is normally connected to its own VLAN isolated behind a router so user brodcasts & multicasts in another VLAN can't affect the switch CPU. This port can be overrun with brodcasts and multicasts from user applications providing both the user and the switch are on the same VLAN. If this CPU is consumed by processing broadcasts, it may not have enough CPU time available to process and forward spanning tree BPDUs. If a blocked port becomes opened, a switch loop could form and, BINGO, network meltdown.
There is a declassified crypto algorithm, designed by the NSA, and available to you. It's Type 2 (good for sensitive but unclassified) called Skipjack. Available here.
1000Base-T runs full-duplex. It uses technology similar to a standard analog telephone line (hybrids) that allow transmission and reception at the same time. Echo cancellers are required with this, however. Chris