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15 Jan '98

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Specifying a layer-3 MLPA in the IRR
by Jake Khuon 15 Jan '98

15 Jan '98

Joachim suggested I send this off to the mailing list for discussion. I have written two draft proposals (one for RIPE-181 and the other for RPSL) on how to specifying layer-3 MLPAs in the IRR. I'd like to welcome any comments. I'm including a copy of each draft below and they can also be found at: http://espresso.merit.net/~khuon/khuon-003.txt http://espresso.merit.net/~khuon/khuon-004.txt #include <khuon-003.txt> Specifying and Supporting a Layer-3 MLPA Using as-macros Jake Khuon Merit Network, Inc. Document ID: khuon-003 November, 1997 ABSTRACT This document describes a procedure and mechanism for implementing layer-3 MLPA support in the Internet Routing Registry using RIPE-181 as-macros. khuon-003.txt November, 1997 - 2 - Table of Contents 1 Introduction ................................................ 2 2 Organisation of this Document ............................... 2 3 Proposed Construction of an MLPA as-macro ................... 2 4 Architecture for an Authorisation and Control Mechanism for Maintaining an MLPA as-macro ................................ 3 5 References .................................................. 5 6 Author Address .............................................. 6 1. Introduction Several exchange points are making use of Multi-Lateral Peering Agreements to simplify both layer-2 and layer-3 peering. However, there is currently no mechanism to support those agreements to simplify router configuration. The most logical vehicle for specifying such an arrangement is the as-macro which is defined in [1]. Please refer to that document for more details. In the most general case, an MLPA is an agreement signed by members who wish to participate in a mutual full-mesh peering environment. This full-mesh may inhabit both layer-2 and/or layer-3. The concern with using as-macros for specifying an MLPA is that of scope of control. This macro must be modifiable by all organisations listed in the object, but one organisation should not be able to modify an attribute which references another organisation. I would like to acknowledge the contributions made by several people during the development of this document. Abha Ahuja helped in the initial design of the prescreening authorisation mechanism and Gerald Winters provided valuable input about the security considerations of the RIPE-181 language. 2. Organisation of this Paper This paper acts as both a guideline for registering MLPA-based as-macros and provides a schema for implementing a mechanism by which to handle proper control of those objects. Section 3 provides a suggested method for construction of the as-macro. Section 4 provides an architecture to be used to control maintenance of that object. 3. Proposed Construction of an MLPA as-macro The MLPA as-macro is constructed in much the same way as any other as-macro with the exception that the specified mnt-by references a controlling body which does not belong to any one organisation khuon-003.txt November, 1997 - 3 - listed. To provide for simpler implementation of the control mechanism, it is suggested that only one aut-num be referenced in each as-list attribute. It is also suggested that no as-macros be referenced by an as-list and that naming convention be strictly adhered to which would reference an aut-num to its mntner. Example: as-macro: AS-AADSMLPA descr: MLPA participants at the AADS NAP as-list: AS4550 as-list: AS683 as-list: AS2551 as-list: AS5646 as-list: AS2685 guardian: auto-mlpa(a)ameritech.net admin-c: Andrew Schmidt tech-c: Mark Cnota notify: mlpa-participants(a)ameritech.net mnt-by: MAINT-AADSMLPA mnt-by: MAINT-RSPEER changed: auto-mlpa(a)ameritech.net 971123 source: RADB The mntner MAINT-AADSMLPA referenced above may look something like: Example: mntner: MAINT-AADSMLPA descr: People authorised to make changes for the AADS MLPA as-macro admin-c: Andrew Schmidt upd-to: noc(a)ameritech.net mnt-nfy: noc(a)ameritech.net auth: PGP-FROM noc(a)ameritech.net auth: PGP-FROM auto-mlpa(a)ameritech.net mnt-by: MAINT-AADSMLPA changed: noc(a)ameritech.net 971123 source: RADB In the above examples you will notice a reference to auto-mlpa(a)ameritech.net. Behind this email address will reside the actual gateway by which each of the organisations listed in the as-lists can submit changes. The details of this mechanism will be described below in Section 4. 4. Architecture for an Authorisation and Control Mechanism for Maintaining an MLPA as-macro The difficulty with using as-macros to specify an MLPA is the inability to implement a distributed and scoped authorisation mechanism for a single object. This document proposes a workaround by which an automated mailing list feeds a preprocessor that in turn will pre-authorise any object submissions before it itself submits the object through the traditional auto-dbm processor. Using the example above, auto-mlpa(a)ameritech.net is authorised to submit changes to AS-AADSMLPA. The auto-mlpa(a)ameritech.net mail khuon-003.txt November, 1997 - 4 - alias should point to a process which examines the submitted object and performs the following actions in the following order: 1. Determine the difference between the submitted object and current object. It should categorise these differences as one of the following operations: A. Addition of a new as-list B. Deletion of a current as-list If the submitted object contains an addition, it is advised that an as-macro containing a list of all the organisation's ASes present at that exchange point be further interrogated to determine if the addition may proceed. This is to prevent someone from just simply adding bogus ASes to the as-macro. 2. Interogate the aut-num reference listed in the as-list and determine via that aut-num's mnt-by if the submitter of the object is authorised. 3. Extract the object from the original email submission and resubmit it to the auto-dbm process of the database using the authentication method listed in the mntner of the as-macro (PGP signed in the above example). The following outlines an example of the process architecture: Suppose AS61234 (bogus.com) wishes to add itself to the AS-AADSMLPA macro. The submitter at AS1234 would submit a copy of the changed as-macro to the auto-mlpa preprocessor/gateway... v===============================================v as-macro: AS-AADSMLPA descr: MLPA participants at the AADS NAP as-list: AS4550 as-list: AS683 as-list: AS2551 as-list: AS5646 as-list: AS2685 as-list: AS61234 guardian: auto-mlpa(a)ameritech.net admin-c: Andrew Schmidt tech-c: Mark Cnota notify: mlpa-participants(a)ameritech.net mnt-by: MAINT-AADSMLPA mnt-by: MAINT-RSPEER changed: auto-mlpa(a)ameritech.net 971123 source: RADB ^===============================================^ | | | [pgp -sta -u noc] [(sign via PGP) ] | +------------------- <noc(a)bogus.com> khuon-003.txt November, 1997 - 5 - | | | v [ -- auto-mlpa -- ] [1. Identified: add AS61234] [2. Query aut-num's mnt-by ] ????? ? ? ? v===============================================v aut-num: AS61234 descr: Bogus Organisation descr: Snerd Inc. as-in: from AS-AADSMLPA 100 accept ANY as-out: to AS-AADSMLPA announce AS61234 admin-c: Alonzo Snerd tech-c: Alonzo Snerd notify: noc(a)bogus.com mnt-by: MAINT-AS61234 changed: noc(a)bogus.com 970727 source: RADB ^===============================================^ | | | [3. Query mntner ] <---+ ? ????????????????????????????? ? ? ? v===============================================v mntner: MAINT-AS61234 descr: People authorised to make changes for AS61234 admin-c: Alonzo Snerd upd-to: noc(a)bogus.com mnt-nfy: noc(a)nogus.com auth: PGP-FROM noc(a)bogus.com mnt-by: MAINT-AS6234 changed: noc(a)bogus.com 970727 source: RADB ^===============================================^ | | | [4. Authentication satisfied] ---+ The preprocessor checks the submission and notices an addition for AS61234. It then queries for the mntner MAINT-AS61234 and checks the auth against the submitter. If the authentication scheme is satisfied, it will submit by-proxy the request to auto-dbm (using the proper auth scheme) thorisation against the mnt-by listed in the as-macro. Since the auth attribute lists auto-mlpa(a)ameritech.net as an authorised submitter, the checks will complete and the new macro with the addition of "as-list: AS61234" will take effect in RADB. khuon-003.txt November, 1997 - 6 - [5. Submit to auto-dbm ] | | v [auto-dbm] ??????????????????????? ? ? ? v===============================================v mntner: MAINT-AADSMLPA descr: People authorised to make changes for the AADS MLPA as-macro admin-c: Andrew Schmidt upd-to: noc(a)ameritech.net mnt-nfy: noc(a)ameritech.net auth: PGP-FROM noc(a)ameritech.net auth: PGP-FROM auto-mlpa(a)ameritech.net mnt-by: MAINT-AADSMLPA changed: noc(a)ameritech.net 971123 source: RADB ^===============================================^ 5. References [1] Bates, T., Gerich, E., Joncheray, L., Jouanigot, J-M., Karrenberg, D., Terpstra, M., Yu, J., "Representation of IP Routing Policies in a Routing Registry", ripe-181, October 1994. 6. Author's Address Jake Khuon Merit Network Inc. Bldg. 1, Ste. C2122 4251 Plymouth Rd. Ann Arbor, MI 48105-2785 USA +1 (313) 763-4907 khuon(a)Merit.Net khuon-003.txt November, 1997 #endinc /* khuon-003.txt */ #include <khuon-004.txt> Specifying and Supporting a Layer-3 MLPA Using as-sets Jake Khuon Merit Network, Inc. Document ID: khuon-004 December, 1997 ABSTRACT This document describes a procedure and mechanism for implementing layer-3 MLPA support in the Internet Routing Registry using RPSL as-sets. khuon-004.txt December, 1997 - 2 - Table of Contents 1 Introduction ................................................ 2 2 Organisation of this Document ............................... 2 3 Proposed Construction of an MLPA as-set ..................... 2 4 Architecture for an Authorisation and Control Mechanism for Maintaining an MLPA as-set .................................. 3 5 References .................................................. 5 6 Author Address .............................................. 6 1. Introduction Several exchange points are making use of Multi-Lateral Peering Agreements to simplify both layer-2 and layer-3 peering. However, there is currently no mechanism to support those agreements to simplify router configuration. The most logical vehicle for specifying such an arrangement is the as-set which is defined in [1]. Please refer to that document for more details. In the most general case, an MLPA is an agreement signed by members who wish to participate in a mutual full-mesh peering environment. This full-mesh may inhabit both layer-2 and/or layer-3. The concern with using as-sets for specifying an MLPA is that of scope of control. This macro must be modifiable by all member organisations listed in the object, but one organisation should not be able to modify an attribute which references another organisation. I would like to acknowledge the contributions made by several people during the development of this document. Abha Ahuja helped in the initial design of the prescreening authorisation mechanism and Gerald Winters provided valuable input about the security considerations of the RIPE-181 and RPSL languages. 2. Organisation of this Paper This paper acts as both a guideline for registering MLPA-based as-sets and provides a schema for implementing a mechanism by which to handle proper control of those objects. Section 3 provides a suggested method for construction of the as-set. Section 4 provides an architecture to be used to control maintenance of that object. 3. Proposed Construction of an MLPA as-set The MLPA as-set is constructed in much the same way as any other as-set with the exception that the specified mnt-by references a controlling body which does not belong to any one organisation khuon-004.txt December, 1997 - 3 - listed. To provide for simpler implementation of the control mechanism, it is suggested that only one aut-num be referenced in each members attribute. It is also suggested that no as-sets be referenced by a members attribute and that naming convention be strictly adhered to which would reference an aut-num to its mntner. Example: as-set: as-aadsmlpa descr: MLPA participants at the AADS NAP members: AS4550 members: AS683 members: AS2551 members: AS5646 members: AS2685 admin-c: Andrew Schmidt tech-c: Mark Cnota notify: mlpa-participants(a)ameritech.net mnt-by: MAINT-AADSMLPA mnt-by: MAINT-RSPEER changed: auto-mlpa(a)ameritech.net 19971123 source: RADB The mntner MAINT-AADSMLPA referenced above may look something like: Example: mntner: MAINT-AADSMLPA descr: People authorised to make changes for the AADS MLPA as-set admin-c: Andrew Schmidt upd-to: noc(a)ameritech.net mnt-nfy: noc(a)ameritech.net auth: PGP-FROM noc(a)ameritech.net auth: PGP-FROM auto-mlpa(a)ameritech.net mnt-by: MAINT-AADSMLPA changed: noc(a)ameritech.net 19971123 source: RADB In the above examples you will notice a reference to auto-mlpa(a)ameritech.net. Behind this email address will reside the actual gateway by which each of the organisations listed in the memberss can submit changes. The details of this mechanism will be described below in Section 4. 4. Architecture for an Authorisation and Control Mechanism for Maintaining an MLPA as-set The difficulty with using as-sets to specify an MLPA is the inability to implement a distributed and scoped authorisation mechanism for a single object. This document proposes a workaround by which an automated mailing list feeds a preprocessor that in turn will pre-authorise any object submissions before it itself submits the object through the traditional auto-dbm processor. Using the example above, auto-mlpa(a)ameritech.net is authorised to submit changes to as-aadsmlpa as-set. The auto-mlpa(a)ameritech.net mail alias should point to a process which examines the submitted object and performs the following actions in the following order: khuon-004.txt December, 1997 - 4 - 1. Determine the difference between the submitted object and current object. It should categorise these differences as one of the following operations: A. Addition of a new members B. Deletion of a current members If the submitted object contains an addition, it is advised that an as-set containing a list of all the organisation's ASes present at that exchange point be further interrogated to determine if the addition may proceed. This is to prevent someone from just simply adding bogus ASes to the as-set. 2. Interogate the aut-num reference listed in the members and determine via that aut-num's mnt-by if the submitter of the object is authorised. 3. Extract the object from the original email submission and resubmit it to the auto-dbm process of the database using the authentication method listed in the mntner of the as-set (PGP signed in the above example). The following outlines an example of the process architecture: Suppose AS61234 (bogus.com) wishes to add itself to the as-aadsmlpa macro. The submitter at AS1234 would submit a copy of the changed as-set to the auto-mlpa preprocessor/gateway... v===============================================v as-set: as-aadsmlpa descr: MLPA participants at the AADS NAP members: AS4550 members: AS683 members: AS2551 members: AS5646 members: AS2685 members: AS61234 admin-c: Andrew Schmidt tech-c: Mark Cnota notify: mlpa-participants(a)ameritech.net mnt-by: MAINT-AADSMLPA mnt-by: MAINT-RSPEER changed: auto-mlpa(a)ameritech.net 19971123 source: RADB ^===============================================^ | | | [pgp -sta -u noc] [(sign via PGP) ] | +------------------- <noc(a)bogus.com> | | | v [ -- auto-mlpa -- ] khuon-004.txt December, 1997 - 5 - [1. Identified: add AS61234] [2. Query aut-num's mnt-by ] ????? ? ? ? v========================================================v aut-num: AS61234 as-name: bogus descr: Bogus Organisation import: from as-aadsmlpa action pref=1; accept ANY export: to as-aadsmlpa announce AS61234 admin-c: Alonzo Snerd tech-c: Alonzo Snerd notify: noc(a)bogus.com mnt-by: MAINT-AS61234 changed: noc(a)bogus.com 19970727 source: RADB ^========================================================^ | | | [3. Query mntner ] <---+ ? ? ? ????????????????????????????? ? ? ? v===============================================v mntner: MAINT-AS61234 descr: People authorised to make changes for AS61234 admin-c: Alonzo Snerd upd-to: noc(a)bogus.com mnt-nfy: noc(a)nogus.com auth: PGP-FROM noc(a)bogus.com mnt-by: MAINT-AS6234 changed: noc(a)bogus.com 19970727 source: RADB ^===============================================^ | | | [4. Authentication satisfied] ---+ The preprocessor checks the submission and notices an addition for AS61234. It then queries for the mntner MAINT-AS61234 and checks the auth against the submitter. If the authentication scheme is satisfied, it will submit by-proxy the request to auto-dbm (using the proper auth scheme) thorisation against the mnt-by listed in the as-set. Since the auth attribute lists auto-mlpa(a)ameritech.net as an authorised submitter, the checks will complete and the new macro with the addition of "members: AS61234" will take effect in RADB. [5. Submit to auto-dbm ] | khuon-004.txt December, 1997 - 6 - | | v [auto-dbm] ??????????????????????? ? ? ? v===============================================v mntner: MAINT-AADSMLPA descr: People authorised to make changes for the AADS MLPA as-set admin-c: Andrew Schmidt upd-to: noc(a)ameritech.net mnt-nfy: noc(a)ameritech.net auth: PGP-FROM noc(a)ameritech.net auth: PGP-FROM auto-mlpa(a)ameritech.net mnt-by: MAINT-AADSMLPA changed: noc(a)ameritech.net 19971123 source: RADB ^===============================================^ 5. References [1] C. Alaettinoglu. Routing Policy Specification Language (RPSL)., Internet Draft draft-ietf-rps-rpsl-03.txt, July, 1997, Work in progress. 6. Author's Address Jake Khuon Merit Network Inc. Bldg. 1, Ste. C2122 4251 Plymouth Rd. Ann Arbor, MI 48105-2785 USA +1 (313) 763-4907 khuon(a)Merit.Net khuon-004.txt December, 1997 #endinc /* khuon-004.txt */ -- /*====================[ Jake Khuon <khuon(a)Merit.Net> ]=====================+ | Systems Research Programmer, IE Group /| /|[~|)|~|~ N E T W O R K | | Vox: (734) 763-4907 Fax: (734) 747-3185 / |/ |[_|\| | Incorporated | +==[ Suite C2122, Bldg. 1 4251 Plymouth Rd. Ann Arbor, MI 48105-2785 ]==*/

1 0

The Cidr Report
by Tony Bates 09 Jan '98

09 Jan '98

This is an auto-generated mail on Fri Jan 9 12:00:00 PST 1998 It is not checked before it leaves my workstation. However, hopefully you will find this report interesting and will take the time to look through this to see if you can improve the amount of aggregation you perform. The report is split into sections: 0) General Status List the route table history for the last week, list any possibly bogus routes seen and give some status on ASes. 1) Gains by aggregating at the origin AS level This lists the "Top 30" players who if they decided to aggregate their announced classful prefixes at the origin AS level could make a significant difference in the reduction of the current size of the Internet routing table. This calculation does not take into account the inclusion of holes when forming an aggregate so it is possible even larger reduction should be possible. 2) Weekly Delta A summary of the last weeks changes in terms of withdrawn and added routes. Please note that this is only a snapshot but does give some indication of ASes participating in CIDR. Clearly, it is generally a good thing to see a large amont of withdrawls. 3) Interesting aggregates Interesting here means not an aggregate made as a set of classful routes. Thanks to xara.net for giving me access to their routing tables once a day. Please send any comments about this report directly to me. Check http://www.employees.org/~tbates/cidr-report.html for a daily update of this report. ------------------------------------------------------------------------------ CIDR REPORT for 09Jan98 0) General Status Table History ------------- Date Prefixes 020198 47531 030198 47597 040198 35241 050198 47479 060198 47617 070198 47694 080198 47566 090198 47514 Check http://www.employees.org/~tbates/cidr.plot.html for a plot of the table history. Possible Bogus Routes --------------------- AS Summary ---------- Number of ASes in routing system: 3094 Number of ASes announcing only one prefix: 1455 (749 cidr, 706 classful) Largest number of cidr routes: 463 announced by AS3561 Largest number of classful routes: 985 announced by AS701 1) Gains by aggregating at the origin AS level --- 09Jan98 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS2493 668 376 292 43.7% iSTAR Internet, Inc. AS4293 414 202 212 51.2% IMCI AS174 890 681 209 23.5% Performance Systems International AS816 568 396 172 30.3% UUNET Canada (ASN-UUNETCA-AS4) AS3602 447 300 147 32.9% Sprint Canada Inc. AS3749 201 60 141 70.1% TECNET AS701 985 884 101 10.3% Alternet AS839 123 31 92 74.8% North West Territories Regional N AS3751 122 46 76 62.3% SNET-AS AS2048 164 92 72 43.9% LaNet AS5668 103 36 67 65.0% Century Telephone Inc. AS3804 203 139 64 31.5% Bell Solutions AS1 863 804 59 6.8% BBNPLANET AS3464 120 65 55 45.8% Alabama Research and Education Ne AS271 111 56 55 49.5% BCnet Backbone AS7545 115 63 52 45.2% TPG Internet Pty Ltd AS1239 581 529 52 9.0% SprintLink Backbone AS4763 127 76 51 40.2% Telstra New Zealand AS4648 196 146 50 25.5% NZIX 2 AS549 202 153 49 24.3% ONet Backbone AS72 84 36 48 57.1% Schlumberger Information Network AS719 506 460 46 9.1% LANLINK autonomous system AS1221 258 213 45 17.4% AARNET-AS AS3561 934 892 42 4.5% MCI AS684 83 43 40 48.2% Manitoba Regional Network Backbon AS4740 332 293 39 11.7% ASN-OZEMAIL (Ozemail Pty Ltd) AS2711 94 55 39 41.5% SUNBELT-AS AS1691 165 126 39 23.6% BCTEL AS6181 60 24 36 60.0% FUSE-NET AS1591 137 101 36 26.3% SAIC DISM For the rest of the previous weeks gain information please see http://www.employees.org:80/~tbates/cidr-report.html 2) Weekly Delta Please see http://www.employees.org:80/~tbates/cidr-report.html for this part of the report 3) Interesting aggregates Please see http://www.employees.org:80/~tbates/cidr-report.html for this part of the report

1 0

(no subject)
by ipopov 05 Jan '98

05 Jan '98

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1 0

The Cidr Report
by Tony Bates 02 Jan '98

02 Jan '98

This is an auto-generated mail on Fri Jan 2 12:00:00 PST 1998 It is not checked before it leaves my workstation. However, hopefully you will find this report interesting and will take the time to look through this to see if you can improve the amount of aggregation you perform. The report is split into sections: 0) General Status List the route table history for the last week, list any possibly bogus routes seen and give some status on ASes. 1) Gains by aggregating at the origin AS level This lists the "Top 30" players who if they decided to aggregate their announced classful prefixes at the origin AS level could make a significant difference in the reduction of the current size of the Internet routing table. This calculation does not take into account the inclusion of holes when forming an aggregate so it is possible even larger reduction should be possible. 2) Weekly Delta A summary of the last weeks changes in terms of withdrawn and added routes. Please note that this is only a snapshot but does give some indication of ASes participating in CIDR. Clearly, it is generally a good thing to see a large amont of withdrawls. 3) Interesting aggregates Interesting here means not an aggregate made as a set of classful routes. Thanks to xara.net for giving me access to their routing tables once a day. Please send any comments about this report directly to me. Check http://www.employees.org/~tbates/cidr-report.html for a daily update of this report. ------------------------------------------------------------------------------ CIDR REPORT for 02Jan98 0) General Status Table History ------------- Date Prefixes 261297 47433 271297 47424 281297 47380 291297 47497 301297 47601 311297 47560 010198 47266 020198 47531 Check http://www.employees.org/~tbates/cidr.plot.html for a plot of the table history. Possible Bogus Routes --------------------- AS Summary ---------- Number of ASes in routing system: 3075 Number of ASes announcing only one prefix: 1452 (758 cidr, 694 classful) Largest number of cidr routes: 521 announced by AS3561 Largest number of classful routes: 973 announced by AS701 1) Gains by aggregating at the origin AS level --- 02Jan98 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS2493 698 391 307 44.0% iSTAR Internet, Inc. AS4293 417 199 218 52.3% IMCI AS174 882 675 207 23.5% Performance Systems International AS816 571 399 172 30.1% UUNET Canada (ASN-UUNETCA-AS4) AS3602 457 300 157 34.4% Sprint Canada Inc. AS3749 190 54 136 71.6% TECNET AS701 973 878 95 9.8% Alternet AS839 123 31 92 74.8% North West Territories Regional N AS3751 119 46 73 61.3% SNET-AS AS5668 102 37 65 63.7% Century Telephone Inc. AS2048 153 88 65 42.5% LaNet AS3804 202 140 62 30.7% Bell Solutions AS1 869 808 61 7.0% BBNPLANET AS549 218 161 57 26.1% ONet Backbone AS271 111 56 55 49.5% BCnet Backbone AS7545 115 63 52 45.2% TPG Internet Pty Ltd AS3464 119 67 52 43.7% Alabama Research and Education Ne AS1239 580 528 52 9.0% SprintLink Backbone AS4763 126 75 51 40.5% Telstra New Zealand AS4747 114 64 50 43.9% Taiwan Telecommunication Network AS4648 190 140 50 26.3% NZIX 2 AS72 84 36 48 57.1% Schlumberger Information Network AS719 505 460 45 8.9% LANLINK autonomous system AS3561 936 894 42 4.5% MCI AS1221 256 215 41 16.0% AARNET-AS AS684 82 43 39 47.6% Manitoba Regional Network Backbon AS6181 60 21 39 65.0% FUSE-NET AS4740 330 291 39 11.8% ASN-OZEMAIL (Ozemail Pty Ltd) AS2711 96 57 39 40.6% SUNBELT-AS AS1691 164 125 39 23.8% BCTEL For the rest of the previous weeks gain information please see http://www.employees.org:80/~tbates/cidr-report.html 2) Weekly Delta Please see http://www.employees.org:80/~tbates/cidr-report.html for this part of the report 3) Interesting aggregates Please see http://www.employees.org:80/~tbates/cidr-report.html for this part of the report

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The Cidr Report
by Tony Bates 26 Dec '97

26 Dec '97

This is an auto-generated mail on Fri Dec 26 12:00:00 PST 1997 It is not checked before it leaves my workstation. However, hopefully you will find this report interesting and will take the time to look through this to see if you can improve the amount of aggregation you perform. The report is split into sections: 0) General Status List the route table history for the last week, list any possibly bogus routes seen and give some status on ASes. 1) Gains by aggregating at the origin AS level This lists the "Top 30" players who if they decided to aggregate their announced classful prefixes at the origin AS level could make a significant difference in the reduction of the current size of the Internet routing table. This calculation does not take into account the inclusion of holes when forming an aggregate so it is possible even larger reduction should be possible. 2) Weekly Delta A summary of the last weeks changes in terms of withdrawn and added routes. Please note that this is only a snapshot but does give some indication of ASes participating in CIDR. Clearly, it is generally a good thing to see a large amont of withdrawls. 3) Interesting aggregates Interesting here means not an aggregate made as a set of classful routes. Thanks to xara.net for giving me access to their routing tables once a day. Please send any comments about this report directly to me. Check http://www.employees.org/~tbates/cidr-report.html for a daily update of this report. ------------------------------------------------------------------------------ CIDR REPORT for 26Dec97 0) General Status Table History ------------- Date Prefixes 191297 46949 201297 46969 211297 46910 221297 46996 231297 47516 241297 47566 251297 47463 261297 47433 Check http://www.employees.org/~tbates/cidr.plot.html for a plot of the table history. Possible Bogus Routes --------------------- AS Summary ---------- Number of ASes in routing system: 1662 Number of ASes announcing only one prefix: 778 (143 cidr, 635 classful) Largest number of cidr routes: 121 announced by AS3561 Largest number of classful routes: 583 announced by AS1 1) Gains by aggregating at the origin AS level --- 26Dec97 --- ASnum NetsNow NetsCIDR NetGain % Gain Description AS4293 201 102 99 49.3% IMCI AS72 84 36 48 57.1% Schlumberger Information Network AS719 505 460 45 8.9% LANLINK autonomous system AS174 298 258 40 13.4% Performance Systems International AS271 80 46 34 42.5% BCnet Backbone AS1 583 551 32 5.5% BBNPLANET AS1257 296 265 31 10.5% SWIPnet Swedish IP Network AS701 473 443 30 6.3% Alternet AS2493 97 73 24 24.7% iSTAR Internet, Inc. AS5381 58 36 22 37.9% PowerTech Information Systems AS AS8517 75 55 20 26.7% ULAKNET-ASN AS6822 37 19 18 48.6% SuperOnline autonomous system AS6663 35 17 18 51.4% InterComp Bucharest AS3663 25 7 18 72.0% NETNET-NET AS3563 59 41 18 30.5% Pilot Network Services, Inc. AS2048 45 28 17 37.8% LaNet AS2561 36 20 16 44.4% Egyptian Networks AS6897 32 17 15 46.9% Global-One Spain AS3564 29 15 14 48.3% Microserve Infromation Systems In AS2907 110 96 14 12.7% SINET AS1239 268 254 14 5.2% SprintLink Backbone AS6846 30 17 13 43.3% UKRPACK.NET AS1785 162 149 13 8.0% NYSERNet Backbone AS5666 35 23 12 34.3% Omnes - A Schlumberger and Cable AS4000 74 62 12 16.2% Global IP AS2752 38 26 12 31.6% THOMSONCA-AS AS549 93 82 11 11.8% ONet Backbone AS3577 30 19 11 36.7% PREPnet-WEST AS2686 46 35 11 23.9% Autonomous System number for IBM AS816 54 44 10 18.5% UUNET Canada (ASN-UUNETCA-AS4) For the rest of the previous weeks gain information please see http://www.employees.org:80/~tbates/cidr-report.html 2) Weekly Delta Please see http://www.employees.org:80/~tbates/cidr-report.html for this part of the report 3) Interesting aggregates Please see http://www.employees.org:80/~tbates/cidr-report.html for this part of the report

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how to distinguish european routes from others
by Mart Norman 22 Dec '97

22 Dec '97

Hi! I'm not sure is this the right list for this question but what is the easiest way to distinguish european routes from others? Is anywhere a list of European AS-s? The reason I need this is that in nearest future we will have SAT channel to US and I would like to direct US traffic via SAT and European traffic via other channel. So I probably need to have as much as possible European routes in my box and point default to US. The problem is which nets are European and which are not. Thanks in advance, Mart =========================================================================== Mart Norman Technical Manager Esdata Ltd. Tel. +372 6 300 042 Akadeemia tee 21 GSM: +372 5 079 595 EE0026 Tallinn Fax +372 6 300 020 ESTONIA E-mail: mart(a)estnet.ee

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(no subject)
by Thomas Groß 25 Nov '97

25 Nov '97

help

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RIPE-168, Installing and hosting a test-box
by Henk Uijterwaal (RIPE-NCC) 17 Nov '97

17 Nov '97

New/Revised RIPE Document Announcement -------------------------------------- A revised/new document is available from the RIPE document store. Ref: ripe-168 Title: Internet delay measurements using test-traffic Installing and hosting a test-box Author: Henk Uijterwaal Date: 17 November 1997 Format: PS=2820818, TXT=13840 Obsoletes: Obsoleted by: Updates: Updated by: See also: Short content description ------------------------- In RIPE-158, we presented a proposal to do Internet performance measurements using test traffic generated by test-boxes. This document is intended for ISP's interested in hosting a test-box. It describes the requirements for hosting a test-box at an ISP. It also describes the installation and day-to-day management of such a test-box. After reading this document, one should be able to judge if one can successfully host a test-box at a site. This document is not a formal request asking which sites are interested in hosting a test-box. Accessing the RIPE document store --------------------------------- The RIPE document store is available via anonymous FTP to ftp.ripe.net, in the directory ripe/docs. The URLs for the new documents on the FTP-server are: ftp://ftp.ripe.net/ripe/docs/ripe-168.ps PostScript version ftp://ftp.ripe.net/ripe/docs/ripe-168.txt plain text version You can also access the RIPE documents in HTML format via WWW, at the following URL: http://www.ripe.net/test-traffic/ Documents can also be retrieved from the RIPE document store using a mail server program. For more information on how to use the program, send email to <mail-server(a)ripe.net> with "send HELP" in the body text. Henk ------------------------------------------------------------------------------ Henk Uijterwaal Email: henk.uijterwaal(a)ripe.net RIPE Network Coordination Centre WWW: http://www.ripe.net/home/henk Singel 258 Phone: +31.20.535-4414, Fax -4445 1016 AB Amsterdam Home: +31.20.6651962 The Netherlands Pager: +6.57626855 ------------------------------------------------------------------------------ %DCL-E-NOCFFE, unable to locate coffee - keyboard input suspended.

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Is Your Web Site A Secret?
by owl＠secretwebsite.com 06 Nov '97

06 Nov '97

Is your web site the best kept secret on the Internet? We'll promote it to 50 search engines and indexes for $85 and complete the job in 2 business days. Satisfaction is guaranteed! If you have a great product, but are not getting many inquiries from your Web site, you may not be adequately listed on the Web's search engines and indexes. Millions of viewers daily use these facilities to find the products and services they are looking for. But if your site is not listed, no one will see it. Listings on most of these services are free. However, locating and filling out the forms required to get a listing can take several days, and most people just don't have the time to do it. That is why we offer a web site promotion service. WHAT'S THE DEAL? We will submit your site to 50 indexes and search engines for $85. We will accept the return of this E-mail, with the form below filled out, as an order. We will bill you upon completion of the promotion. Our terms are net 15 days from date of invoice. Satisfaction guaranteed! HOW LONG WILL IT TAKE? Generally, we complete the submissions within 48 hours of receiving your order. It can take any individual search engine or index up to three weeks to process your submission, although most are much faster. WHAT SEARCH ENGINES AND INDEXES ARE INCLUDED IN THE PROMOTION? The list changes from time to time. This is our current list: Alta Vista, BC Internet, BizCardz Business Directory, BizWeb, Excite, Galaxy, HotBot, Infoseek, InfoSpace, Jayde Online Directory, JumpCity JumpLink, Linkcentre Directory, LinkMonster, Lycos, Magellan, Manufacturers Information Network, Net Happenings, Net Mall, Net-Announce, New Page List, New Riders WWW Yellow Pages, Northern Light, One World Plaza, Open Text Web Index, PageHost A-Z, PeekABoo, Project Cool, Scrub The Web, Seven Wonders, Sserv, Starting Point, The Galactic Galaxy, The Weekly Bookmark, True North,TurnPike, Unlock:The Information Exchange, Web 100, Web Crawler, Web Walker, Web World Internet Directory, WebVenture Hotlist, What's New, WhatUSeek, Where2Go, World Wide Business Yellow Pages, Wow! Web Wonders!, WWW Worm, YelloWWWeb, Your WebScout HOW WILL I KNOW THAT YOU HAVE PROMOTED MY SITE? When we have completed the promotion, we will send you an HTML file as an attachment to your E-mail bill. Save this file to your disk, and view it through your Web browser. It provides links to the search engine we submitted your site to, plus any comments we received from them when we did it. ARE THERE ANY GUARANTEES? We do not require prepayment. Your satisfaction is guaranteed or you don't pay the bill. WHO IS OWL'S EYE PRODUCTIONS? We are a web site promotion company located at: Owl's Eye Productions, Inc. 260 E. Main Street Brewster, NY 10509 Phone: (914) 278-4933 Fax: (914) 278-4507 Email: owl(a)secretwebsite.com HOW DO I ORDER? The easiest way to order is by e-mail. Just hit the REPLY button on your e-mail program and fill out the following information. (This information will be posted to the search engines/indexes): Your name: Company Name: Address: City: State/Prov: Zip/Postal Code: Telephone: Fax: Email address: URL: http:// Site Title: Description (about 25 words): Key words (maximum of 25, in descending order of importance): Proofs (Where shall we e-mail proofs): If billing a different address, please complete the following: Addressee: Company Name: Address: City: State/Prov: Zip/Postal Code: Telephone: Fax: Email address: We will bill via Email. (SE7O22) Terms: By returning this document via Email, you agree as follows: You have the authority to purchase this service on behalf of your company. Terms are net 15 days. Accounts sent to collections will be liable for collection costs. You agree to protect and indemnify Owl's Eye Productions, Inc. in any claim for libel, copyright violations, plagiarism, or privacy and other suits or claims based on the content or subject matter of your site. WHAT HAPPENS NEXT? When we receive your order, we will input the information into our system, and send you a proof. After we process any corrections, we will run your promotion, capturing any comments from search engines as we go. We will incorporate these into an HTML-formatted report to you, which we will attach to your bill. ===Web Promotions=====Press Releases=====Link Exchanges========= Owl's Eye Productions, Inc. 260 E. Main Street Brewster, NY 10509 Ph: 914-278-4933 Fx: 914-278-4507 E-mail: owlseye(a)secretwebsite.com

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