RFC 1005 May 1987 Table of Contents 1 INTRODUCTION.......................................... 4 2 IP ISSUES............................................. 6 2.1 Current Interpretation of Class A IP Address Fields ................................................... 6 2.2 Requirements and Constraints Affecting New Class A Mapping ................................................... 7 2.3 New Interpretation of IP Address Fields............. 8 2.4 Discussion of the New Mapping.......................10 2.5 Interoperability between Current AHIP and AHIP-E ...................................................11 3 LOGICAL ADDRESSING................................... 13 3.1 Addresses and Names................................ 13 3.2 Name Translations.................................. 14 3.2.1 Authorization and Effectiveness.................. 15 3.2.2 Translation Policies............................. 16 3.2.3 Reporting Destination Host Downs................. 17 3.3 Establishing Host-PSN Communications............... 18 3.4 Name Server........................................ 19 4 OTHER CHANGES........................................ 20 4.1 Type-of-Service Specification...................... 20 4.2 Subnet Congestion Feedback......................... 21 4.3 Precedence Level Information....................... 21 5 FORMATS FOR NEW AHIP-E MESSAGES...................... 23 5.1 Host-to-PSN AHIP-E Leader Format................... 23 5.2 PSN-to-Host AHIP-E Leader Format................... 27 6 AHIP-E VERSIONS...................................... 33 7 REFERENCES........................................... 34 Khanna & Malis