IAB concerns against permanent deployment of edge-based filtering

Sat Oct 18 12:48:54 UTC 2003

Jun-ichiro itojun Hagino wrote:
> 
> While short term traffic filters are deployed, the appropriate recommended
> longer term action is to:

Edge networks have a lot more to upgrade than backbone networks. 
Obtaining IOS code that works for all the different types of routers and 
meets the ISP's policy is not an easy task. Some files had to be 
specifically requested from the vendor as they no longer supported the 
version and didn't have pre-compiles. In addition, there are "other" 
bugs in IOS which must be considered for each application of a router 
deployment. This must be tested and monitored at one application locale 
and once verified can be deployed for all similar applications.

In some cases,there were no alternatives, and this forced hardware 
upgrades at various locations (ie, memory). Such upgrades require money 
and time on the part of the edge customers. The peering blocks allow for 
limited protection of a majority of the customers while they continue to 
repair their networks.

RPC blocks will be much worse, as the storm is still pretty loud, and 
low bandwidth customers cannot handle the extra noise.

-Jack