RE: AWS Elastic IP architecture

2015-05-28 Thread Michael Helmeste
-Original Message- From: christopher.mor...@gmail.com Subject: Re: AWS Elastic IP architecture [...] All that is happening is that they have some NAT device somewhere (maybe even just a redundant pair of VMs?) that has a block of public IPs assigned to it and they i'd

RE: OT: VPS with Routed IP space

2015-02-24 Thread Michael Helmeste
ARP Networks: https://www.arpnetworks.com/vps Routed IP space (v4 and v6) as well as BGP peering. -Original Message- From: NANOG [mailto:nanog-boun...@nanog.org] On Behalf Of Zachary Giles Sent: Tuesday, February 24, 2015 12:29 PM To: Owen DeLong Cc: NANOG Subject: Re: OT: VPS

Good MPLS/VPLS book?

2010-12-23 Thread Michael Helmeste
Does anyone have a favorite book or resource discussing MPLS and all associated Lego blocks (e.g. LDP, TE, VPLS, martini, mBGP et. al.)? I understand the basics of what MPLS is and how you create a circuit from A to B but I'm afraid it still escapes me when trying to figure out how someone

Re: Good MPLS/VPLS book?

2010-12-23 Thread Michael Helmeste
Thanks for the suggestions, all! Looks like I have some reading to do. On Thu, 23 Dec 2010 18:49:46 -0500 Dan Snyder sliple...@gmail.com wrote: On Dec 23, 2010, at 5:49 PM, Michael Helmeste mhelm...@uvic.ca wrote: Does anyone have a favorite book or resource discussing MPLS and all

Re: Speed Testing and Throughput testing

2009-11-04 Thread Michael Helmeste
We had a problem where our (mostly research network connected, international) users were getting generally low HTTP transfer speeds, even though the path was often gigabit. The classic high bandwidth/high latency problem. Initially I tried using iperf/ndt and friends but found that iperf

ACLs vs. full firewalls

2009-04-07 Thread Michael Helmeste
Hi all, One of the duties of my current place of employ is reorganizing the network. We have a few Catalyst 6500 series L3 switches, but currently do all packet filtering (and some routing) using a software based firewall. Don't ask me, I didn't design it :) Current security requirements are

Re: ACLs vs. full firewalls

2009-04-07 Thread Michael Helmeste
While there are no specific audit requirements, overall traffic auditing (not just for dropped packets) is definitely something I'm considering. One way of gathering this data without using a firewall would seem to be netflow; I don't think netflow specifically calls out (or even shows?) traffic