RE: [SLUG] mail service outages

2000-08-09 Thread John Wiltshire
From: marty [mailto:[EMAIL PROTECTED]] >> Ok, so now you have redundant routes to your network. The >network can exist >> in multiple physical locations connected by a VLAN link to >make it appear >> all on the one subnet. Each of your ISP routes would go to >the different >> physical locati

RE: [SLUG] mail service outages

2000-08-09 Thread marty
> You can define multiple routes to a network. For example, you may have a > connection via OzEmail and Access One and define routes through both > providers. BGP will advertise them both and external clients will choose > their best route (or possibly load balance between them). which is why p

RE: [SLUG] mail service outages

2000-08-09 Thread John Wiltshire
From: marty [mailto:[EMAIL PROTECTED]] >sorry if this is a dumb question: >can you have multiple routes to a single IP ?? >surely at some point you have to have a SPF... Not a dumb question at all. You can define multiple routes to a network. For example, you may have a connection via OzEmail

Re: [SLUG] mail service outages

2000-08-09 Thread marty
On Wed, 9 Aug 2000, Roland Turner wrote: > John Wiltshire wrote: > > > Just because there is a single IP address doesn't make it a single point of > > failure. As you mentioned, it is possible to have a farm of mail servers, > > though you forget that you can have multiple routes from the inter

Re: [SLUG] mail service outages

2000-08-09 Thread Matt Allen
Hey Raz, See Below. Roland Turner wrote: > > Matt Allen wrote: > > > I know exactly what happened but I dont think im at liberty to say. > > > > If you knew the chain of events you would switch over to "awww shit. that sucks > > and is bad luck" mode, i know i did. > > Interesting. I'm skepti

Re: [SLUG] mail service outages

2000-08-09 Thread Roland Turner
Matt Allen wrote: > I know exactly what happened but I dont think im at liberty to say. > > If you knew the chain of events you would switch over to "awww shit. that sucks > and is bad luck" mode, i know i did. Interesting. I'm skeptical, but perhaps you can answer this: were the simultaneous a

Re: [SLUG] mail service outages

2000-08-09 Thread Terry Collins
Roland Turner wrote: ...snip > (Notes: > - For those who don't follow, the problem is that having a single MX > means that if that MX is down, the domain's entire mail service is down. > - Telstra is not the only large ISP that exposes itself this way. I am > not suggesting that Telstra is t

Re: [SLUG] mail service outages

2000-08-09 Thread Matt Allen
Guys, I know exactly what happened but I dont think im at liberty to say. If you knew the chain of events you would switch over to "awww shit. that sucks and is bad luck" mode, i know i did. They *are* working on the issues and its funny to see everyones point of view (and its fine to have one)

Re: [SLUG] mail service outages

2000-08-09 Thread Roland Turner
John Wiltshire wrote: > Just because there is a single IP address doesn't make it a single point of > failure. As you mentioned, it is possible to have a farm of mail servers, > though you forget that you can have multiple routes from the internet > channeling into the farm, with multiple Cisco

RE: [SLUG] mail service outages

2000-08-08 Thread John Wiltshire
From: Roland Turner [mailto:[EMAIL PROTECTED]] >(Notes: >- For those who don't follow, the problem is that having a single MX >means that if that MX is down, the domain's entire mail >service is down. >- Telstra is not the only large ISP that exposes itself this way. I am >not suggesting that Te

Re: [SLUG] mail service outages

2000-08-08 Thread John Morrissey
Roland Turner wrote: > Jamie Honan wrote: > > > > Mail service outages can only happen to the grossly incompetent, the > > > disinterested > > > > > Major ISPs have no excuse for mail service outages at all. > > It is not expensive, snip. Telstra, however, > appears

Re: [SLUG] mail service outages

2000-08-08 Thread Roland Turner
Jamie Honan wrote: > > Mail service outages can only happen to the grossly incompetent, the > > disinterested > > > Major ISPs have no excuse for mail service outages at all. > > Ouch. > > Telstra should make their own excuses, but this is a very hard > one. > > Maybe what you assert would be

Re: [SLUG] mail service outages

2000-08-08 Thread Jamie Honan
> Mail service outages can only happen to the grossly incompetent, the > disinterested > Major ISPs have no excuse for mail service outages at all. Ouch. Telstra should make their own excuses, but this is a very hard one. Maybe what you assert would be possible with a lot, lot more expenditur