| RLP, Resource Location Protocol |
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Description | Glossary | RFCs | Publications | Obsolete RFCs |
| Protocol suite: | TCP/IP. |
| Protocol type: | Application layer protocol. |
| Multicast addresses: | |
| Ports: | 39 (UDP). |
| URI: | |
| MIME subtype: | |
| SNMP MIBs: | |
| Working groups: | |
| Links: |
| MAC header | IP header | UDP header | RLP message |
RLP message:
| 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Type | Flags | Message ID | |||||||||||||||||||||||||||||
| Resource list ::: | |||||||||||||||||||||||||||||||
Type.
8 bits.
Message type.
| Type | Description |
|---|---|
| 0 | Who provides? |
| 1 | Do you provide? |
| 2 | Who anywhere provides? |
| 3 | Does anyone provide? |
| 4 | I provide. |
| 5 | They provide. |
| 6 - 255 |
reserved. |
Flags. 8 bits.
| 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 |
|---|---|---|---|---|---|---|---|
| L | 0 | ||||||
L, Local only. 1 bit.
Requires that any reply message generated in response to a request message with this flag bit set may only name IP addresses which are on the same IP network as the sender of the request message. This flag also requires that multi-homed hosts answering broadcast Who Provides? requests use the appropriate local network IP source address in the returned reply. This bit must be zero in reply messages.
Message ID.
16 bits.
An identifier used simply to aid in matching requests with replies.
The sending host should initialize this field to some convenient value when constructing a request message.
The receiving host must return this same value in the Message ID field of any reply message generated in response to that request.
Resource list. Variable length.
RFCs:
[RFC 887] RESOURCE LOCATION PROTOCOL.
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Description | Glossary | RFCs | Publications | Obsolete RFCs |