| Parameter/Protocol | RIPv1 | RIPv2 | IGRP/EIGRP |
| summarization | Auto | Auto | Auto and Manual |
| VLSM support | No | Yes | Yes |
| Classless Support | No (Class full) | Yes | Yes |
| Discontiguous support | No | Yes | Yes |
| Convergence | Slow | Slow | Fast/Very Fast |
| Authentication | No | Yes(clear text and MD5) | yes(MD5 only) |
| Route computation | Bellman-Ford | Bellman-Ford | DUAL |
| Parameter/Protocol | OSPF |
| summarization | Manual |
| VLSM support | Yes |
| Classless Support | Yes |
| Discontiguous support | Yes |
| Convergence | Fast |
| Authentication | Yes( clear text and MD5) |
| Route computation | Dijkstra algorithm |
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