Internet Assigned Numbers Authority
??Domains
??Protocols
??Numbers
??About
UDP Speed Test Protocol (UDPSTP)
Created
2025-09-26
Last Updated
2025-09-30
Note
Values reserved for experimental use are not expected to be used on the Internet,
but for experiments that are confined to closed environments.
Available Formats
[IMG]
XML [IMG]
HTML [IMG]
Plain text
Registries Included Below
??PDU Identifier
??Protocol Version
??Test Setup PDU Modifier Bitmap
??Test Setup PDU Authentication Mode
??Test Setup PDU Command Response Field
??Test Activation PDU Command Request
??Test Activation PDU Modifier Bitmap
??Test Activation PDU Rate Adjustment Algo.
??Test Activation PDU Command Response Field
PDU Identifier
Expert(s)
Unassigned
Reference
[RFC-ietf-ippm-capacity-protocol-25]
Available Formats
[IMG]
CSV
Range Registration Procedures
0x0000 Reserved
0x0001-0x7F00 Specification Required
0x7F01-0x7FE0 Reserved for Experimental Use
0x7FE1-0x7FFF Reserved for Private Use
0x0001-0x7F00 Specification Required
0xFFFF Reserved
Value Description Reference Change Controller
0x0000 Reserved [RFC-ietf-ippm-capacity-protocol-25] IETF
0x7F01-0x7FE0 Reserved for Experimental Use [RFC-ietf-ippm-capacity-protocol-25] IETF
0x7FE1-0x7FFF Reserved for Private Use [RFC-ietf-ippm-capacity-protocol-25] IETF
0xACE1 Test Setup PDU [RFC-ietf-ippm-capacity-protocol-25] IETF
0xACE2 Test Activation PDU [RFC-ietf-ippm-capacity-protocol-25] IETF
0xBEEF Load PDU [RFC-ietf-ippm-capacity-protocol-25] IETF
0xDEAD Null PDU [RFC-ietf-ippm-capacity-protocol-25] IETF
0xFEED Status Feedback PDU [RFC-ietf-ippm-capacity-protocol-25] IETF
0xFFFF Reserved [RFC-ietf-ippm-capacity-protocol-25] IETF
Protocol Version
Expert(s)
Unassigned
Reference
[RFC-ietf-ippm-capacity-protocol-25]
Available Formats
[IMG]
CSV
Range Registration Procedures
0-19 Reserved
20-40960 IETF Review
40961-53248 Specification Required
53249-65534 Reserved for Experimental Use
65535 Reserved
Value Reference Change Controller
20 [RFC-ietf-ippm-capacity-protocol-25] IETF
Test Setup PDU Modifier Bitmap
Reference
[RFC-ietf-ippm-capacity-protocol-25]
Available Formats
[IMG]
CSV
Range Registration Procedures
00000000-01111111 IETF Review
10000000 Reserved
Value Description Reference
0x00 No modifications [RFC-ietf-ippm-capacity-protocol-25]
0x01 Allow Jumbo datagram sizes above sending rates of 1 Gbps [RFC-ietf-ippm-capacity-protocol-25]
0x02 Use Traditional MTU (1500 bytes with IP-header) [RFC-ietf-ippm-capacity-protocol-25]
Test Setup PDU Authentication Mode
Reference
[RFC-ietf-ippm-capacity-protocol-25]
Available Formats
[IMG]
CSV
Range Registration Procedures
0-59 IETF Review
60-63 Reserved for Experimental Use
64-255 Reserved
Value Description Reference
0 Not used [RFC-ietf-ippm-capacity-protocol-25]
1 Required authentication for the Control phase [RFC-ietf-ippm-capacity-protocol-25]
2 Optional authentication for the Data phase, in addition to the Control phase [RFC-ietf-ippm-capacity-protocol-25]
Test Setup PDU Command Response Field
Expert(s)
Unassigned
Reference
[RFC-ietf-ippm-capacity-protocol-25]
Available Formats
[IMG]
CSV
Range Registration Procedures
0-127 IETF Review
128-239 Specification Required
240-249 Reserved for Experimental Use
250-254 Reserved for Private Use
255 Reserved
Value Description Reference Change Controller
0 None (used by client in Request) [RFC-ietf-ippm-capacity-protocol-25] IETF
1 Acknowledgment [RFC-ietf-ippm-capacity-protocol-25] IETF
2 Bad Protocol Version [RFC-ietf-ippm-capacity-protocol-25] IETF
3 Invalid Jumbo datagram option [RFC-ietf-ippm-capacity-protocol-25] IETF
4 Unexpected Authentication in Setup Request [RFC-ietf-ippm-capacity-protocol-25] IETF
5 Authentication missing in Setup Request [RFC-ietf-ippm-capacity-protocol-25] IETF
6 Invalid authentication method [RFC-ietf-ippm-capacity-protocol-25] IETF
7 Authentication failure [RFC-ietf-ippm-capacity-protocol-25] IETF
8 Authentication time is invalid in Setup Request [RFC-ietf-ippm-capacity-protocol-25] IETF
9 No Maximum test Bit rate specified [RFC-ietf-ippm-capacity-protocol-25] IETF
10 Server Maximum Bit rate exceeded [RFC-ietf-ippm-capacity-protocol-25] IETF
11 MTU option does not match server [RFC-ietf-ippm-capacity-protocol-25] IETF
12 Multi-connection parameters rejected by server [RFC-ietf-ippm-capacity-protocol-25] IETF
13 Connection allocation failure on server [RFC-ietf-ippm-capacity-protocol-25] IETF
14-239 Unassigned
240-249 Reserved for Experimental Use [RFC-ietf-ippm-capacity-protocol-25] IETF
250-254 Reserved for Private Use [RFC-ietf-ippm-capacity-protocol-25] IETF
255 Reserved [RFC-ietf-ippm-capacity-protocol-25] IETF
Test Activation PDU Command Request
Expert(s)
Unassigned
Reference
[RFC-ietf-ippm-capacity-protocol-25]
Available Formats
[IMG]
CSV
Range Registration Procedures
0-127 IETF Review
128-239 Specification Required
240-249 Reserved for Experimental Use
250-254 Reserved for Private Use
255 Reserved
Value Description Reference Change Controller
0 No Request [RFC-ietf-ippm-capacity-protocol-25] IETF
1 Request test in Upstream direction (client to server) [RFC-ietf-ippm-capacity-protocol-25] IETF
2 Request test in Downstream direction (server to client) [RFC-ietf-ippm-capacity-protocol-25] IETF
3-239 Unassigned
240-249 Reserved for Experimental Use [RFC-ietf-ippm-capacity-protocol-25] IETF
250-254 Reserved for Private Use [RFC-ietf-ippm-capacity-protocol-25] IETF
255 Reserved [RFC-ietf-ippm-capacity-protocol-25] IETF
Test Activation PDU Modifier Bitmap
Reference
[RFC-ietf-ippm-capacity-protocol-25]
Available Formats
[IMG]
CSV
Range Registration Procedures
00000000-01111111 IETF Review
10000000 Reserved
Value Description Reference
0x00 No modifications [RFC-ietf-ippm-capacity-protocol-25]
0x01 Set when srIndexConf is start rate for search [RFC-ietf-ippm-capacity-protocol-25]
0x02 Set for randomized UDP payload [RFC-ietf-ippm-capacity-protocol-25]
Test Activation PDU Rate Adjustment Algo.
Reference
[RFC-ietf-ippm-capacity-protocol-25]
Available Formats
[IMG]
CSV
Range Registration Procedures
A-Y IETF Review
Z Reserved
Value Description Reference
A(n/a) Not used [RFC-ietf-ippm-capacity-protocol-25]
B(0) Rate algorithm Type B [Y.1540Amd2]
C(1) Rate algorithm Type C [TR-471]
Test Activation PDU Command Response Field
Expert(s)
Unassigned
Reference
[RFC-ietf-ippm-capacity-protocol-25]
Available Formats
[IMG]
CSV
Range Registration Procedures
0-127 IETF Review
128-239 Specification Required
240-249 Reserved for Experimental Use
250-254 Reserved for Private Use
255 Reserved
Value Description Reference Change Controller
0 None (used by client in Request) [RFC-ietf-ippm-capacity-protocol-25] IETF
1 Server Acknowledgment [RFC-ietf-ippm-capacity-protocol-25] IETF
2 Server indicates an error [RFC-ietf-ippm-capacity-protocol-25] IETF
3-239 Unassigned
240-249 Reserved for Experimental Use [RFC-ietf-ippm-capacity-protocol-25] IETF
250-254 Reserved for Private Use [RFC-ietf-ippm-capacity-protocol-25] IETF
255 Reserved [RFC-ietf-ippm-capacity-protocol-25] IETF
Licensing Terms
Presently we were in a very dark road, and at a point where it dropped suddenly between steep sides we halted in black shadow. A gleam of pale sand, a whisper of deep flowing waters, and a farther glimmer of more sands beyond them challenged our advance. We had come to a "grapevine ferry." The scow was on the other side, the water too shoal for the horses to swim, and the bottom, most likely, quicksand. Out of the blackness of the opposite shore came a soft, high-pitched, quavering, long-drawn, smothered moan of woe, the call of that snivelling little sinner the screech-owl. Ferry murmured to me to answer it and I sent the same faint horror-stricken tremolo back. Again it came to us, from not farther than one might toss his cap, and I followed Ferry down to the water's edge. The grapevine guy swayed at our side, we heard the scow slide from the sands, and in a few moments, moved by two videttes, it touched our shore. Soon we were across, the two videttes riding with us, and beyond a sharp rise, in an old opening made by the swoop of a hurricane, we entered the silent unlighted bivouac of Ferry's scouts. Ferry got down and sat on the earth talking with Quinn, while the sergeants quietly roused the sleepers to horse. Plotinus is driven by this perplexity to reconsider the whole theory of Matter.477 He takes Aristotle¡¯s doctrine as the groundwork of his investigation. According to this, all existence is divided into Matter and Form. What we know of things¡ªin other words, the sum of their differential characteristics¡ªis their Form. Take away this, and the unknowable residuum is their Matter. Again, Matter is the vague indeterminate something out of which particular Forms are developed. The two are related as Possibility to Actuality, as the more generic to the more specific substance through every grade of classification and composition. Thus there are two Matters, the one sensible and the other intelligible. The former constitutes the common substratum of bodies, the other the common element of ideas.478 The general distinction between Matter and Form was originally suggested to Aristotle by Plato¡¯s remarks on the same subject; but he differs325 from his master in two important particulars. Plato, in his Timaeus, seems to identify Matter with space.479 So far, it is a much more positive conception than the ?λη of the Metaphysics. On the other hand, he constantly opposes it to reality as something non-existent; and he at least implies that it is opposed to absolute good as a principle of absolute evil.480 Thus while the Aristotelian world is formed by the development of Power into Actuality, the Platonic world is composed by the union of Being and not-Being, of the Same and the Different, of the One and the Many, of the Limit and the Unlimited, of Good and Evil, in varying proportions with each other. The Lawton woman had heard of an officer's family at Grant, which was in need of a cook, and had gone there. [See larger version] On the 8th of July an extraordinary Privy Council was summoned. All the members, of whatever party, were desired to attend, and many were the speculations as to the object of their meeting. The general notion was that it involved the continuing or the ending of the war. It turned out to be for the announcement of the king's intended marriage. The lady selected was Charlotte, the second sister of the Duke of Mecklenburg-Strelitz. Apart from the narrowness of her education, the young princess had a considerable amount of amiability, good sense, and domestic taste. These she shared with her intended husband, and whilst they made the royal couple always retiring, at the same time they caused them to give, during their lives, a moral air to their court. On the 8th of September Charlotte arrived at St. James's, and that afternoon the marriage took place, the ceremony being performed by the Archbishop of Canterbury. On the 22nd the coronation took place with the greatest splendour. Mother and girls were inconsolable, for each had something that they were sure "Si would like," and would "do him good," but they knew Josiah Klegg, Sr., well enough to understand what was the condition when he had once made up his mind. CHAPTER V. THE YOUNG RECRUITS Si proceeded to deftly construct a litter out of the two guns, with some sticks that he cut with a knife, and bound with pawpaw strips. His voice had sunk very low, almost to sweetness. A soft flurry of pink went over her face, and her eyelids drooped. Then suddenly she braced herself, pulled herself taut, grew combative again, though her voice shook. HoME²Ô¾®Ïè̫ʲôÐÇ×ù
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