2011-03-24 2011-05-26 Specification Required 0 Reserved 1 Bundle Payload Block 2 Bundle Authentication Block 3 Payload Integrity Block 4 Payload Confidentiality Block 5 Previous-Hop Insertion Block 6-7 Unassigned 8 Metadata Extension Block 9 Extension Security Block 10-191 Unassigned 192-255 Reserved for Private and/or Experimental Use RFC Required 0-5 Reserved 6 Assigned 7-255 Unassigned Specification Required 0 Bundle is a fragment 1 Application data unit is an administrative record 2 Bundle must not be fragmented 3 Custody transfer is requested 4 Destination endpoint is a singleton 5 Acknowledgement by application is requested 6 Reserved 7-8 Class of service: priority 9-13 Class of service: reserved 14 Request reporting of bundle reception 15 Request reporting of custody acceptance 16 Request reporting of bundle forwarding 17 Request reporting of bundle delivery 18 Request reporting of bundle deletion 19 Reserved 20 Reserved 21-63 Unassigned Specification Required 0 Block must be replicated in every fragment 1 Transmit status report if block can't be processed 2 Delete bundle if block can't be processed 3 Last block 4 Discard block if it can't be processed 5 Block was forwarded without being processed 6 Block contains an EID-reference field 7-63 Unassigned RFC Required 00000000 Reserved 00000001 Reporting node received bundle 00000010 Reporting node accepted custody of bundle 00000100 Reporting node forwarded the bundle 00001000 Reporting node delivered the bundle 00010000 Reporting node deleted the bundle 00100000 Unassigned 01000000 Unassigned 10000000 Unassigned Specification Required 0 No additional information 1 Lifetime expired 2 Forwarded over unidirectional link 3 Transmission canceled 4 Depleted storage 5 Destination endpoint ID unavailable 6 No known route to destination from here 7 No timely contact with next node on route 8 Block unintelligible 9-254 Unassigned 255 Reserved Specification Required 0 No additional information 1-2 Unassigned 3 Redundant reception (reception by a node that is a custodial node for this bundle) 4 Depleted storage 5 Destination endpoint ID unintelligible 6 No known route to destination from here 7 No timely contact with next node on route 8 Block unintelligible 9-126 Unassigned 127 Reserved Specification Required 0 Reserved 1 URI 2-191 Unassigned 192-255 Private and/or Experimental Use Specification Required 0 Unassigned 1 BAB-HMAC 2 PIB-RSA-SHA256 3 PCB-RSA-AES128-PAYLOAD-PIB-PCB 4 ESB-RSA-AES128-EXT values greater than 4 Reserved Specification Required 0 Block contains results 1 Block contains correlator 2 Block contains parameters 3 Destination EIDref present 4 Source EIDref present values greater than 4 Reserved Specification Required 0 Reserved 1 initialization vector (IV) 2 reserved 3 key-information 4 fragment-range (pair of SDNVs) 5 integrity signature 6 unassigned 7 salt 8 PCB integrity check value (ICV) 9 reserved 10 encapsulated block 11 block type of encapsulated block 12-191 reserved 192-250 private use 251-255 reserved