figure 2-6: internal organization of protocol entity (sending end) figure 4-14: internal...
DESCRIPTION
MAP Packet Service Packet MAP Access Service VC_FSH Service VC Frame Service MC Frame Service VC_OCF Service Figure 2-7: AOS/TM Space Data Link Protocol Channel Tree MAP_SDU FSHVC_OCF VC Frame VCID Insert MC Frame MCID Master Channel Insert Service Multiplexer/ DeMultiplexer Key MAPID Packet Service Packet All FrameTRANSCRIPT
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Figure 2-6: Internal Organization of Protocol Entity (Sending End)
Figure 4-14: Internal Organization of Protocol Entity (Sending End)
MAP PacketService
MAP PacketProcessing
VC AccessService
VC_FSHService
VC FrameService
MasterChannel
InsertService
MC FrameService
Virtual Channel Generation
Virtual Channel Multiplexing
Master Channel Generation
Master Channel Multiplexing
All Frames Generation
MAP Demultiplexing
MAP AccessService
MAPGeneratio
n
VC PacketService
VC PacketProcessing
Tran
sfer
Sub
laye
r
Seg
men
tatio
nS
ubla
yer
COP MgmtService
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MAP PacketService
MAP PacketExtraction
VC AccessService
VC_FSHService
VC FrameService
MasterChannel
InsertService
MC FrameService
Virtual Channel Reception
Virtual Channel Demultiplexing
Master Channel Reception
Master Channel Demultiplexing
All Frames Reception
Figure 2-6: Internal Organization of Protocol Entity (Receiving End)
Figure 4-14: Internal Organization of Protocol Entity (Receiving End)
MAP Demultiplexing
MAP AccessService
MAPReception
VC PacketService
VC PacketExtraction
Tran
sfer
Sub
laye
r
Seg
men
tatio
nS
ubla
yer
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MAPPacketService
Packet
MAP AccessService
VC_FSHService
VC FrameService
MC FrameService
VC_OCFService
Figure 2-7: AOS/TM Space Data Link Protocol Channel Tree
MAP_SDU
FSH VC_OCF
VC Frame
VCID
Insert
MC Frame
MCID
MasterChannel
InsertService
Multiplexer/DeMultiplexer
Key
MAPID
PacketService
Packet
All Frame
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Figure 4-1: TC Transfer Frame Structural Components
TransferFrame
PrimaryHeader
MasterChannel
InsertZone
(Optional)
TransferFrame
SecondaryHeader
(Optional)
Transfer FrameData Field
FrameError
ControlField
(Optional)
5 Octets Optional Up to 64 Octets Varies 2 OctetsUp to 1019 Octets
TC Transfer Frame
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Figure 4-2: TC Transfer Frame Primary Header
TransferFrameVersionNumber
CommandControl
Flag
VirtualChannel
ID
VirtualChannelFrame
SequenceCount
2 Octets
2 bits 10 bits 6 bits1 bits
2 Octets 1 Octets
FrameLength
10 bitsS
ec H
eade
r Fla
g
Res
erve
d S
pare
1 bits
Byp
ass
Flag
TC Transfer Frame Primary Header (5 Octets)
SpacecraftID
1 bits
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PacketService
PacketProcessing
VC AccessService
VC_FSHService
VC FrameService
MC FrameService
MC_OCFServiceVirtual Channel Generation
VC_OCFService
Virtual Channel Multiplexing
Master Channel Generation
Master Channel Multiplexing
All Frames Generation
Figure 2-5: Internal Organization of Protocol Entity (Sending End)
Figure 4-7: Internal Organization of Protocol Entity (Sending End)
MC_InsertService
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PacketService
PacketExtraction
VC AccessService
VC_FSHService
VC FrameService
MC_InsertService
MC FrameService
MC_OCFServiceVirtual Channel Reception
VC_OCFService
Virtual Channel Demultiplexing
Master Channel Reception
Master Channel Demultiplexing
All Frames Reception
Figure 2-6: Internal Organization of Protocol Entity (Receiving End)
Figure 4-14: Internal Organization of Protocol Entity (Receiving End)
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PacketService
Packet
VC AccessService
VC_FSHService
VC FrameService
MC FrameService
MC_OCFService
VC_OCFService
Figure 2-7: AOS/TM Space Data Link Protocol Channel Tree
VCA_SDU FSH VC_OCF
VC Frame
VCID Insert MC_OCF
MC Frame
MCID
MC_InsertService
Commutator/Decommutator
Multiplexer/DeMultiplexer
Key
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Figure 4-1: AOS Transfer Frame Structual Components
TransferFrame
PrimaryHeader
MasterChannel
InsertZone
(Optional)
TransferFrame
SecondaryHeader
(Optional)
Transfer FrameData Field
Transfer FrameTrailer (Optional)
OperationalControlField
(Optional)
FrameError
ControlField
(Optional)
6 Octets Up to 64 Octets Varies to fill framr 4 Octets 2 Octets
TransferFrame
PrimaryHeader
MasterChannel
InsertZone
(Optional)
TransferFrame
SecondaryHeader
(Optional)
Transfer FrameData Field
Transfer FrameTrailer (Optional)
OperationalControlField
(Optional)
FrameError
ControlField
(Optional)
6 Octets Fixed Up to 64 Octets Varies to Fill Frame 4 Octets 2 Octets
Figure 4-1: TM Transfer Frame Structual Components
Fixed
TransferFrameHeaderError
Control(optional)
2 Octets
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Figure 4-2: TM Transfer Frame Primary Header
TransferFrameVersionNumber
SpacecraftID
VirtualChannel
ID
OCFFlag
MasterChannel ID
TransferFrame DataField Status
MasterChannelFrameCount
VirtualChannelFrameCount
2 Octets
2 bits 10 bits 3 bits 1 bits
1 Octets 1 Octets 2 Octets
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Figure 4-2: AOS Transfer Frame Primary Header
TransferFrameVersionNumber
SpacecraftID
VirtualChannel
ID
Signaling FlagsMasterChannel ID
FrameHeaderError
Control(Optional)
VirtualChannelFrameCount
2 Octets
2 bits 10 bits 1 bit
1 Octet3 Octets 2 Octets
ReplayFlag
VCSecHdrFlag
VCFrameCountUsageFlag
Spa
re
VCFrameCountCycle
6 bits 1 bit 1 bit 1 bit 4 bits