Routing policy survey
This is an informal survey to better understand how routing policies look in practice at a variety of networks. Please answer as many questions as possible (leaving some blank is ok too). E-mail
routingsurvey@cs.toronto.edu
with questions or concerns.
What kind of network do you operate?
Choose
not specified
stub (no customers)
small transit (<10 customers)
medium transit (11-100 customers)
large transit (>100 customers)
tier 1
small content provider
large content provider
Where is your network located?
Africa
Asia
Australia
Europe
Middle East
North America
South America
Other:
Do you assign a higher LocalPref to paths through customers than through settlement-free peer or transit providers for a given prefix?
Choose
not specified
always
almost always
most of the time
some of the time
almost never
never
Why? (optional)
Your answer
What factors influence your LocalPref settings for a given prefix? (select all that apply)
prefix
next-hop AS
ASes beyond the next hop on the path
origin AS
Other:
Do you use the same LocalPref configuration for a given destination prefix across all BGP-speaking routers in your network?
Choose
not specified
always
almost always
most of the time
some of the time
almost never
never
Why? (optional)
Your answer
Do you export non-customer routes to networks that are not your customers?
Choose
not specified
always
almost always
most of the time
some of the time
almost never
never
Why? (optional)
Your answer
Suppose you have a direct settlement-free peering link to an AS originating a prefix. Please answer the following questions.
Do you prefer the direct route using this peering link over all other routes (including customer routes) for that prefix?
e.g. Do you prefer the route [your network] --- [origin AS] (where --- represents the peering link) over, for example: [your network] <-- [customer] <-- [customer's customer] <-- [origin AS] ?
Choose
not specified
always
almost always
most of the time
some of the time
almost never
never
Why? (optional)
Your answer
Do you export the direct route over this peering link to: (select all that apply)
customers
peers
providers
Other:
How often do you advertise the direct route to non-customers?
Choose
not specified
always
almost always
most of the time
some of the time
almost never
never
How much of your settlement-free peering takes place at Internet eXchange points?
Choose
not specified
all
most
some
none
Please say a few words on your motivations for settlement-free peering and how often you engage in it?
(optional)
Your answer
Additional Questions
What MRAI timer value is used in your network (in seconds)?
(0 specifices MRAI timers are not used; default for Cisco/Juniper is 30 seconds)
Your answer
Do you do any neighbor-specific best path selection e.g., select a different best path for different customers for policy reasons (and not due to hot potato routing. etc.)?
(optional)
Your answer
Any other comments?
(optional)
Your answer
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