CcndKnowledge » History » Version 4
Junxiao Shi, 07/27/2015 08:41 AM
| 1 | 1 | Junxiao Shi | # knowledge about ccnd |
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| 3 | ccnd is the original reference implementation of CCN/NDN architecture, and the only NDN forwarder that has been used with real applications. |
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| 5 | ## ccnd tables |
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| 7 | **FIB** is organized as a tree that is stored in a hashtable, and also contains runtime measurement information. |
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| 8 | **PIT** is stored in a hashtable, where each PIT entry is linked to a FIB entry. |
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| 9 | 4 | Junxiao Shi | See [[CcndFibPit|ccnd FIB and PIT data structure]] for details. |
| 10 | 1 | Junxiao Shi | |
| 11 | **ContentStore** is stored in a hashtable, and a skip list maintains a total order over all stored ContentObjects. |
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| 12 | 4 | Junxiao Shi | See [[CcndContentStore|ccnd ContentStore data structure]] for details. |
| 13 | 2 | Junxiao Shi | |
| 14 | 3 | Junxiao Shi | ## ccnd forwarding |
| 15 | 2 | Junxiao Shi | |
| 16 | ccnd has a default forwarding strategy, but it's not easily replaceable. |
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| 17 | 1 | Junxiao Shi | See [[CcndStrategy|ccnd default strategy]]. |
| 18 | 3 | Junxiao Shi | |
| 19 | ccnd maintains a [[CcndNonce|global Nonce table]] for loop detection. |