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knowledge about ccnd

ccnd is the original reference implementation of CCN/NDN architecture, and the only NDN forwarder that has been used with real applications.

ccnd tables

FIB is organized as a tree that is stored in a hashtable, and also contains runtime measurement information.
PIT is stored in a hashtable, where each PIT entry is linked to a FIB entry.
See ccnd FIB and PIT data structure for details.

ContentStore is stored in a hashtable, and a skip list maintains a total order over all stored ContentObjects.
See ccnd ContentStore data structure for details.

ccnd forwarding

ccnd has a default forwarding strategy, but it's not easily replaceable.
See ccnd default strategy.

ccnd maintains a global Nonce table for loop detection.

Updated by Junxiao Shi almost 5 years ago · 4 revisions