We help IT Professionals succeed at work.
Get Started

Why do ISP's use BGP.

kamal73
kamal73 asked
on
1,322 Views
Last Modified: 2008-02-26
Hi

Can some one tell me why do ISP's use BGP. Do they have to have Autonomous System number and BGP running on their routers. If yes then what purpose does it serve. Can an ISP not use a default route to its core connection instead of learning 90,000 routes.
Comment
Watch Question
Commented:
This problem has been solved!
Unlock 1 Answer and 4 Comments.
See Answer
Why Experts Exchange?

Experts Exchange always has the answer, or at the least points me in the correct direction! It is like having another employee that is extremely experienced.

Jim Murphy
Programmer at Smart IT Solutions

When asked, what has been your best career decision?

Deciding to stick with EE.

Mohamed Asif
Technical Department Head

Being involved with EE helped me to grow personally and professionally.

Carl Webster
CTP, Sr Infrastructure Consultant
Ask ANY Question

Connect with Certified Experts to gain insight and support on specific technology challenges including:

  • Troubleshooting
  • Research
  • Professional Opinions
Did You Know?

We've partnered with two important charities to provide clean water and computer science education to those who need it most. READ MORE