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Content for
TR 29.941
Word version: 17.0.0
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4
Selected Solutions
4.1
General
4.2
DNS based solutions#1-4
4.3
SCTP based solution#5 - SCTP Multiplexer (Port)
4.4
3GPP allocated port number solution#6
4.5
OAM allocated port number solution#7
4.6
Port Registration and Retrieval via NRF solution#8
5
Summary
A
IANA port allocation policy
B
Port number use
C
IANA procedures for Service Name and Port Number registry management
D
3GPP procedures for Service Name and Port Number registry management
$
Change history
4
Selected Solutions
Word‑p. 8
4.1
General
Word‑p. 8
4.2
DNS based solutions#1-4
Word‑p. 12
4.2.1
General
Word‑p. 12
4.2.2
Solution#1: DNS-SD based solution
Word‑p. 13
4.2.2.1
General
Word‑p. 13
4.2.2.2
Detailed description
Word‑p. 14
4.2.2.3
Pros and cons
Word‑p. 14
4.2.3
Solution#2: Service discovery using DNS SRV records
Word‑p. 15
4.2.3.1
General
Word‑p. 15
4.2.3.2
Detailed description
Word‑p. 15
4.2.3.3
Pros and cons
Word‑p. 16
4.2.4
Solution#3: Use of multicast address on local link (mDNS)
Word‑p. 16
4.2.4.1
General
Word‑p. 16
4.2.4.2
Detailed description
Word‑p. 16
4.2.4.3
Pros and cons
Word‑p. 17
4.2.5
Solution#4: Direct unicast DNS queries to the target node (uDNS)
Word‑p. 17
4.2.5.1
General
Word‑p. 17
4.2.5.2
Detailed description
Word‑p. 18
4.2.5.3
Pros and cons
Word‑p. 18
4.2.6
Guidelines for DNS based solutions#1-4
Word‑p. 19
4.3
SCTP based solution#5 - SCTP Multiplexer (Port)
Word‑p. 19
4.3.1
General
Word‑p. 19
4.3.2
Detailed description
Word‑p. 21
4.3.3
Pros and cons
Word‑p. 22
4.3.4
Guidelines for SCTP based solution#5
Word‑p. 22
4.4
3GPP allocated port number solution#6
Word‑p. 22
4.4.1
General
Word‑p. 22
4.4.2
Detailed description
Word‑p. 23
4.4.3
Pros and cons
Word‑p. 24
4.4.4
Guidelines for 3GPP allocated port number solution#6
Word‑p. 24
4.5
OAM allocated port number solution#7
Word‑p. 24
4.5.1
General
Word‑p. 24
4.5.2
Detailed description
Word‑p. 24
4.5.3
Pros and cons
Word‑p. 25
4.5.4
Guidelines for OAM allocated port number solution7
Word‑p. 25
4.6
Port Registration and Retrieval via NRF solution#8
Word‑p. 25
4.6.1
General
Word‑p. 25
4.6.2
Detailed description
Word‑p. 26
4.6.3
Pros and cons
Word‑p. 26
4.6.4
Guidelines for Port Registration and Retrieval via NRF solution#8
Word‑p. 26
5
Summary
Word‑p. 26
5.1
General
Word‑p. 26
5.2
3GPP allocated Service Name and Port Number registry
Word‑p. 26
A
IANA port allocation policy
Word‑p. 27
B
Port number use
Word‑p. 27
B.1
General
Word‑p. 27
B.2
Port number ranges
Word‑p. 28
B.3
Service identified by port number not assigned by IANA
Word‑p. 29
C
IANA procedures for Service Name and Port Number registry management
Word‑p. 30
C.1
General principles
Word‑p. 30
C.2
Assignment Procedure
Word‑p. 30
C.3
IANA Policies for Port Number assignment
Word‑p. 31
C.4
Recommendations to designers of application and service protocols
Word‑p. 31
C.5
3GPP port assignment applications since 2009
Word‑p. 32
D
3GPP procedures for Service Name and Port Number registry management
Word‑p. 34
D.1
General Principles
Word‑p. 34
D.2
Assignment Procedure
Word‑p. 34
D.3
Port Number Database
Word‑p. 34
$
Change history
Word‑p. 35