First step of network optimization

2005-10-02 Thread Joe Shen
Hi, this may be a OOO..LD topic which is talked, discussed or agrued for year. ISP networks may need to be optimized continuously. But, it seems people have different view of optimization when they use this word at different place; sometimes optimization means adding more access router, add

Re: First step of network optimization

2005-10-02 Thread Valdis . Kletnieks
On Sun, 02 Oct 2005 15:47:22 +0800, Joe Shen said: Is there a common sense on the target of network optimization? or is there common startup line of such work? What should be the model of a optimized ISP network ( or PoP site) ? You want to optimize for the lowest monetary cost network that

Re: First step of network optimization

2005-10-02 Thread Joe Shen
Thanks for the response. You want to optimize for the lowest monetary cost network that still allows you to meet all the SLA's you've negotiated. And this depends on what you negotiated - for instance, if the SLA specifies 3 9's of reliability, spending money to build a 4 9's network

Apologies for earlier errant message

2005-10-02 Thread Frank A. Coluccio
It occurred unintentionally during an email account subscription change to NANOG. My bad :( PS - Randy Bush, is this any better? I.e., any more Microsog noise, herein? Frank

Re: [eng/rtg] changing loopbacks

2005-10-02 Thread David Barak
--- Austin [EMAIL PROTECTED] wrote: It's worth noting that C's don't need actual IP address space assigned to the router-id for OSPF. It's just an arbitrary value; it's probably better karma to set it to whatever you want (maybe something that doesn't look like an IP address).

Re: [eng/rtg] changing loopbacks

2005-10-02 Thread Austin
[EMAIL PROTECTED] wrote: eek! There are a couple of downsides to having the router-ID divorced from a physical address: 1) you get an additional number which you have to have to track to ensure uniqueness. 2) you lose the benefit of being able to double check reachability (ping/ssh to