“RUNNING A JBOSS CLUSTER IN THE CLOUD”, by Bela Ban, JBoss. “JBoss Clustering uses IP
multicasting, so it doesn’t work on EC2 !@#$@” — WRONG ! Of course it DOES ! -
Posted in aws, cluster, ec2, java, jboss, JbossWorld, multicast, network, presentation, redhat | Comments Off | permalink
Notes about OpenVPN performance testing. Results, in short: easy to saturate 100Mbit network on common hardware. Possible to do a near wire-line speed on 1Gbit network (needs recent version of openssl-1.0a, fresh intel CPU that does AES in hardware …
Posted in 10G, AES, AES-NI, benchmark, intel, network, openvpn, performance, Security, shortcut:openvpn, testing, vpn | Comments Off | permalink
Read this if you need to deal with traffic shaping on linux. Most of linux-based firewall appliances use HTB, this helps in understanding of what is going on behind the scenes.
Posted in bandwidth, htb, LARTC, Linux, network, networking, qos, queue, reference, shaping, tc | Comments Off | permalink
Read this if you need to deal with traffic shaping on linux. Most of linux-based firewall appliances use HTB, this helps in understanding of what is going on behind the scenes.
Posted in bandwidth, htb, LARTC, Linux, network, networking, qos, queue, reference, shaping, tc | Comments Off | permalink
Posted in 10G, AES, AES-NI, benchmark, for:@twitter, has:for, has:shortcut, intel, network, openvpn, performance, Security, shortcut:openvpn, testing, vpn | Comments Off | permalink
Posted in aws, cluster, ec2, for:@twitter, has:for, java, jboss, JbossWorld, multicast, network, presentation, redhat | Comments Off | permalink
russian ISP/network operators community forum: a post with live stats from a system system that routes ~ 10G/1.9Mpps of live traffic on Intel X520-2 82559EB card, 2 x Xeon E5620
Posted in 10G, intel, Linux, network, performance, router | Comments Off | permalink
Posted in 10G, for:collidr, intel, Linux, network, performance, router | Comments Off | permalink
[a blog post with ] good explanation about how failover happens in round-robin DNS setups. i.e. it is safe for browsers and most modern http-client libraries, but probably is not safe for other protocols
Posted in dns, fail-over, loadbalancing, network, round-robin | Comments Off | permalink
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Konstantin Antselovich (c) 2004-2011
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