1. ISPs make the Internet… Why you don’t want to be one Dennis Boylan dennis@eni.net

2. World Domination: Mission Status Internet Acceptance: Established Distribution Network: Established Corporate Acceptance: Beginning

3. What are ISPs? Internet Service Provider Inter-network service provider Network Operators

4. Customer Connections Dialup –Analog (v.90) –Digital (ISDN) Dedicated –Analog (v.90) –DSL (ADSL, IDSL, HDSL) –56K, 64K, Fractional DS1, Fractional DS3

5. Customer Connections continued Dedicated (continued) –Bridged –Fractional OC3, Fractional OC12 Encapsulation –ATM, Frame, POSIP, PPP, SMDS, LAN (FDDI, Ethernet, Token Ring)

6. Typical Dialup

7. Typical Dedicated

8. Backbone Connections DS1 DS3 OC3c OC12c OC48c OC192 OC768

9. Services DNS E-mail Dialup News Web Caching

10. NAPs Network Access Point Connects 2 or more networks Public NAPS Private NAPS

11. Major Public NAPs MAE-East, MAE-East ATM MAE-West, MAE-West ATM Ameritech NAP SPRINT NAP PAIX PB NAP (ATM) CIX

12. NAPS continued Minor/New MAE-LA SIX MAE-Central (Dallas) AIX Many Many Others

13. NAP Connections ATM –DS1 through OC12c FDDI (half/full duplex) Ethernet/Fast Ethernet(half/full duplex) HDLC/Frame Relay –DS1 through OC3

14. BGP Border Gateway Protocol Generates route announcements Requires an AS number Currently over 10,000 AS numbers Provides for access lists

15. Levels of ISPs Tier 1 –Present at 2 or more Public NAPS –Own backbone between NAPS – Full peering with all other Tier 1 –Does not pay for transit

16. Levels of ISPs continued Non-Level 1 –Any ISP that pays for transit –Not all ISPs are equal

17. Problems with Services Hardware failures Software failures Misconfiguration Maintenance windows

18. Problems with Telcos Fiber cuts Circuit ordering Circuit capacity Billing

19. Problems with Telcos continued Maintenance Redundancy Busy signals Circuit Grooming

20. Problems with Customers 7x24 Support Billing/collection SPAM (UBE) Denial of service Volume of traffic

21. Problems with ARIN/InterNIC Lost registrations Lost changes Double billing More paperwork Time to complete requests

22. Problems with FCC/Gov’t Additional Taxes Additional Regulations Does not understand the industry

23. Problem with Facilities Power Environmental (HVAC) Security Access Telco Access

24. Problems with Personnel Continual training Lack of qualified people Cost of qualified people