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TS5A3166,3GPP TS 29244 f40與f50對比差異

TS5A3166,3GPP TS 29244 f40與f50對比差異

在進一步學習29244標準時,想嘗試分析每兩個版本之間的細微差異,以了解這幾年29244標準的變化,試圖從這些變化中以一窺需求的變化。在學習的同時特意整理出來,大家共同學習提高。

5.2.1A.3 Application detection with PFD

The detection information for a given application may be provisioned by the CP function to the UP function via PFD management procedure. See subclause 6.2.5.

給定應用的檢測信息可由CP功能經由PFD管理過程提供給UP功能。

The PFDE (PFD Enhancement) feature may be optionally supported by the CP function and UP function. When the feature is supported in both the CP function and UP function, the CP function may provision a PFD Contents IE including a property (i.e. either flow description, or URL or Domain Name/Domain Name Protocol) with multiple values.

PFDE(PFD?Enhancement)功能可選擇性地由CP功能和UP功能支持。當CP功能和UP功能都支持該功能時,CP功能可以提供PFD?Contents IE,包括具有多個值的屬性(即流描述、URL或Domain Name/Domain Name Protocol)。

TS5A3166,NOTE 1: It is assumed, when the PFDE feature is not supported, a PFD Contents can only include a property with one value.

注1:假設不支持PFDE功能時,PFD?Contents只能包含一個值的屬性。

When the UP function attempts to detect the traffic pertaining to an application by using the application's PFDs (see subclause 7.4.3.1 and 8.2.39), the UP function shall consider:

當UP功能嘗試使用應用程序的PFD檢測與應用程序有關的流量時,UP功能應考慮:

- the application is detected if the incoming traffic matches one of PFD Contents;

-如果入向流量與PFD?Contents之一匹配,則檢測應用程序;

ts639pro。- the PFD Contents is matched if the incoming traffic matches at least one value of a property in the same PFD Contents IE.

-如果入向流量與同一PFD?Contents IE中的屬性的至少一個值匹配,則PFD?Contents匹配。

NOTE 2: Interpretation of the Custom PFD Content is implementation specific.

注2:Custom PFD?Content的解釋是特定于實現的。

5.2.2.2.1?General

If the UP function indicated support of the Quota Action feature in the UP Function Features IE, when the CP function provisions a Volume Quota or Time Quota in a URR, the CP function may also provision the "FAR ID for Quota Action" IE identifying the substitute FAR the UP function shall apply, for the traffic associated identified by the PDR to this URRwhich the URR is associated, when exhausting any of these quotas. This FAR may require the UP function to drop the packets or redirect the traffic towards a redirect destination as specified in subclause 5.4.7.

當耗盡任何這些配額時,識別UP功能的Action IE應適用于與URR相關的PDR所識別的流量。該FAR可能要求UP功能丟棄數據包或將流量重定向至重定向目的地。

tlm3201數據、NOTE?7: A PDR can be associated with multiple URRs. If one of these URRs requires the UP function to drop the user data packets, e.g. when the Quota has been exhausted, the other URRs associated to the PDR need also to stop their measurements, except for URRs including the Measurement Information with the 'Measurement Before QoS Enforcement' flag set to 1.

注7:PDR可與多個URR關聯。如果這些URR中的一個需要UP功能來丟棄用戶數據包,例如,當Quota已用完時,與PDR相關聯的其他URR也需要停止其測量,但包括“Measurement Before QoS Enforcement”標志設置為1的Measurement Information的URR除外。

5.4.2 Service Detection and Bearer BindingBearer/QoS Flow Binding

Service detection refers to the process that identifies the packets belonging to a service data flow or application. See For EPC, see subclauses?6.2.2.2 and 6.8.1 of 3GPP?TS?23.203?[7].. For 5GC, see subclause?6.2.2.2 of 3GPP?TS?23.503?[44].

Bearer For EPC, bearer binding is the procedure that associates service data flow(s) to an IP-CAN bearer deemed to transport the service data flow. UL bearer binding verification refers to the process of discarding uplink packets due to no matching service data flow template for the uplink direction. See subclauses?6.1.1.4 and 6.2.2.2 of 3GPP?TS?23.203?[7]..

For 5GC, QoS flow binding is the procedure that associates service data flow(s) to a QoS flow deemed to transport the service data flow. UL QoS flow binding verification refers to the process of discarding uplink packets due to no matching QoS flow for the uplink direction. See subclause?6.1.3.2.4 of 3GPP?TS?23.503?[44] and subclause?5.7.1.7 of 3GPP?TS?23.501?[28].

對于5GC,QoS流綁定是將業務數據流與被視為傳輸業務數據流的QoS流相關聯的過程。UL QoS流綁定驗證是指由于上行鏈路方向沒有匹配的QoS流而丟棄上行鏈路分組的過程。

ts551和ts451d?Service detection is controlled over the Sxa, Sxb Sxb, Sxc and Sxc N4 reference points by configuring Packet Detection Information in PDRs to match the intended service data flows or application.

The For EPC, the mapping of DL traffic to bearers is achieved by configuring and associating FARs to the downlink PDRs, with FARs set to forward the packets to the appropriate downstream bearers (S5/S8 or S1/S12/S4/Iu).

Uplink For 5GC, the mapping of DL traffic to QoS flows is achieved by configuring QERs with QFI(s) for the QoS flow marking and associating FARs to the downlink PDRs, with FARs set to forward the packets to the appropriate downstream GTP-U tunnel (N9 or N3).

對于5GC,通過將QER配置為QoS流標記的QFI,并將FAR與下行鏈路PDR關聯,將FAR設置為將數據包轉發到適當的下游GTP-U隧道(N9或N3),實現DL業務到QoS流的映射。

For EPC, uplink bearer binding verification is achieved by configuring Packet Detection Information in uplink PDRs containing the local F-TEID of the uplink bearer, the UE IP address (source IP address to match for the incoming packet), and the SDF filter(s) or the Application ID. As a result, uplink packets received on the uplink bearer but that do not match the SDF filter(s) or Application detection filter associated to the uplink PDRs are discarded.

For 5GC, uplink QoS flow binding verification (see subclause?5.7.1.7 of 3GPP?TS?23.501?[28]) is achieved by configuring Packet Detection Information in uplink PDRs containing the local F-TEID of the uplink PDU session, the UE IP address (source IP address to match for the incoming packet), the QFI of the QoS flow and the SDF filter(s) or the Application ID. As a result, uplink packets received on the uplink PDU session but that do not match the SDF filter(s) or Application detection filter and QFI associated to the uplink PDRs are discarded.

F40-A20GA3。對于5GC,上行鏈路QoS流綁定驗證是通過在上行鏈路PDR中配置包含上行鏈路PDU會話的本地F-TEID、UE IP地址(與入向數據包匹配的源IP地址)、QoS流的QFI和SDF過濾器的Packet Detection Information來實現的或Application ID。因此,在上行鏈路PDU會話上接收的上行鏈路數據包(但與SDF篩選器或Application檢測過濾器不匹配)和與上行鏈路PDR相關聯的QFI被丟棄。

NOTE 4: The UPF can be provisioned with a PDR (with low precedence) which contains the CN tunnel info, QFI and filter information that can detect any unwanted/unauthorized traffic with this QFI so that such traffic can be dropped with or without being counted before.

注4:UPF可配備PDR(低優先級),該PDR包含CN隧道信息、QFI和過濾器信息,可使用該QFI檢測任何不需要的/未經授權的流量,以便此類流量可在之前計數或不計數的情況下丟棄。

5.4.6 Usage Monitoring

Usage Monitoring Control refers to the process of monitoring the user plane traffic in the PGW-U or U, TDF-U or UPF for the accumulated usage of network resources per:

- individual or group of service data flows;

- individual or group of applications;

卡鉗f40和f50怎么區別,- PDU session, possibly excluding an individual SDF or a group of service data flow(s) (for 5GC);

-PDU會話,可能不包括單個SDF或一組業務數據流(用于5GC);

- IP-CAN session, possibly excluding an individual SDF or a group of service data flow(s) (for EPC), and/or

- TDF session, possibly excluding an individual application or a group of application(s) (for EPC).

See subclauses For EPC, see subclauses?4.4, 6.2.2.3 and 6.6 of 3GPP?TS?23.203?[7] and subclauses 4.5.16, 4.5.17, 4b.5.6, 4b.5.7 of 3GPP?TS?29.212?[8].

For 5GC, see subclauses?4.3.4 and 6.2.2.3 of 3GPP?TS?23.503?[44] and subclauses 4.2.2.10, 4.2.3.11, 4.2.4.10, 4.2.6.2.5, 4.2.6.5.3 of 3GPP?TS?29.512?[41].

f50法拉利,Usage Monitoring Control is supported over the Sxb Sxb, Sxc and Sxc N4 reference points by activating in the UP function the reporting of usage information towards the CP function, as specified in subclauses 5.3 and 7.8.4 of 3GPP?TS?23.214?[2] and in subclause?5.8.2.6.2 of 3GPP?TS?23.501?[28].?

5.4.7 Traffic Redirection

Traffic Redirection refers to the process of redirecting uplink application traffic, in a PGW PGW, TDF or TDFUPF, towards a redirect destination, e.g. redirect some HTTP flows to a service provisioning page. See For EPC, see subclause 6.1.13 of 3GPP?TS?23.203?[7] and subclauses 4.5.2.6 and 4b.5.1.4 of 3GPP?TS?29.212?[8].. For 5GC, see subclause?6.1.3.12 of 3GPP?TS?23.503?[44] and subclause?4.2.6.2.4?of 3GPP?TS?29.512?[46].

The redirect destination may be provided by the PCRF PCRF/PCF or be preconfigured in the CP function or in the UP function.

The For EPC, the traffic redirection may be enforced in the CP function or in the UP function. For 5GC, the traffic redirection may be enforced in the UP function only. If the traffic that the UP function can support may be subject to traffic redirection, traffic redirection enforcement in the UP function shall be supported by the UP function. The UP function reports to the CP function whether it supports traffic redirection enforcement in the UP function via the UP Function Features IE (see subclause 8.2.25).

對于EPC,可以在CP功能或UP功能中實施流量重定向。對于5GC,只能在UP功能中實施流量重定向。如果UP功能可以支持的流量可能會進行流量重定向,則UP功能應支持UP功能中的流量重定向實施。UP功能通過UP Function Features IE向CP功能報告其是否支持UP功能中的流量重定向實施。

5.4.10 Charging

The For EPC, the charging requirements for online and offline charging in the PS domain specified in 3GPP?TS?32.251?[17] shall be preserved with a split SGW, PGW and TDF architecture.

法拉利f40和f50哪個好,For 5GC, the charging requirements for online and offline charging in the 5G data connectivity?domain are specified in 3GPP?TS?32.255?[45].

對于5GC,3GPP TS 32.255[45]中規定了5G數據連接域中在線和離線充電的計費要求。

Charging is supported by the CP function by activating in the UP function the measurement and reporting of the accumulated usage of network resources per:

- for EPC:

- IP-CAN bearer, for an SGW;

- IP-CAN bearer, IP-CAN session and/or individual or group of service data flows, for a PGW;

布雷博f40和f50區別。- TDF session and/or individual or group of applications, for a TDF;

- for 5GC:

- PDU session and/or individual or group of service data flows, for an SMF

- QoS Flow, for an SMF.

5.4.11 (Un)solicited Application Reporting

Editor's Note: (Un)solicited Application Reporting?in 5GC is FFS.

?(UnFor EPC, (un)solicited Application Reporting refers to the process of reporting the start or stop of applications by the TDF or PCEF. See 3GPP?TS?23.203?[3] and 3GPP?TS?29.212?[8].

法拉利f40和f50。For 5GC, solicited Application Reporting refers to the process of reporting the start or stop of applications by the SMF to the PCF. See 3GPP?TS?23.503?[44] and 3GPP?TS?29.512?[41]. Unsolicited application reporting is not applicable for 5GC.

對于5GC,請求申請報告是指SMF向PCF報告申請開始或停止的過程。未經請求的申請報告不適用于5GC。

5.4.13 Transport Level Marking?

For EPC, transport level marking is performed on a per EPS bearer basis in the SGW and PGW. Transport level marking refers to the process of marking traffic with a DSCP value based on the locally configured mapping from the QCI and optionally ARPthe ARP priority level.

對于EPC,在SGW和PGW中按照每個EPS承載人進行傳輸級別標記。傳輸級別標記是指根據QCI本地配置的映射和可選的ARP優先級,使用DSCP值標記流量的過程。

For 5GC, transport level marking is performed on a per QoS flow basis. Transport level marking refers to the process of marking traffic at the UPF with a DSCP value based on the mapping from the 5QI 5QI, the Priority Level (if explicitly signalled) and optionally the ARP priority level configured at the SMF.

對于5GC,在每個QoS流的基礎上執行傳輸級別標記。傳輸級別標記是指根據5QI的映射、Priority Level(如果明確發出信號)和可選的在SMF配置的ARP優先級,使用DSCP值在UPF標記流量的過程。

5.7.3 Lawful Interception in 5GC

中國有法拉利f50嗎、Requirements for support of Lawful Interception with SMF and UPF?are specified in subclauses?6.2.3 of 3GPP?TS?33.127?[47].

3GPP TS 33.127[47]第6.2.3款規定了支持SMF和UPF?Lawful Interception的要求。

User plane packets shall be forwarded from the UPF to the MDF3 by encapsulating the user plane packets using GTP-U encapsulation (see 3GPP?TS?29.281?[3]).

應通過使用GTP-U封裝封裝用戶平面分組,將用戶平面分組從UPF轉發到MDF3。

The SMF shall instruct the UPF to duplicate the packets to be intercepted and to forward them to the MDF3 as specified in subclause 5.2.3.

SMF應指示UPF復制要監聽的數據包,并按照第5.2.3款的規定將其轉發給MDF3。

f40和f50剎車區別。For forwarding data from the UPF to the MDF3, the SMF shall set the DUPL flag in the Apply Action and set the Duplicating Parameters in the FAR, associated to the PDRs of the traffic to be intercepted, with the Destination Interface "LI Function" and set to perform GTP-U encapsulation and to forward the packets to a GTP-u F-TEID uniquely assigned in the MDF3 for the traffic to be intercepted. The MDF3 shall then identify the intercepted traffic by the F-TEID in the header of the encapsulating GTP-U packet. The SUPI, PEI and/or GPSI may be provided in the user ID to the UPF.

為了將數據從UPF轉發到MDF3,SMF應在Apply Action中設置DUPL標志,并在FAR中設置Duplicating Parameters,該參數與要監聽的流量的PDR相關,Destination Interface為“LI?Function”以及設置為執行GTP-U封裝,并將分組轉發到在MDF3中為要監聽的流量唯一分配的GTP-U F-TEID。然后,MDF3應在封裝GTP-U數據包的報頭中識別F-TEID監聽流量。SUPI、PEI和/或GPSI可以在用戶ID中提供給UPF。

5.8.1 General

An PFCP Association shall be set up between the CP function and the UP function prior to establishing PFCP sessions on that UP function. Only one PFCP association shall be setup between a given pair of CP and UP functions, even if the CP and/or UP function exposes multiple IP addresses.

在建立關于UP功能的PFCP會話之前,應在CP功能和UP功能之間建立PFCP?Association。即使CP和/或UP功能公開多個IP地址,在給定的CP和UP功能對之間也只能建立一個PFCP偶聯

The CP function and the UP function shall support the PFCP Association Setup procedure initiated by the CP function (see subclause 6.2.6.2). The CP function and the UP function may additionally support the PFCP Association Setup procedure initiated by the UP function (see subclause 6.2.6.3).

A CP function may have PFCP Associations set up with multiple UP functions. A UP function may have PFCP Associations set up with multiple CP functions.

mt202和mt202cov區別,A CP function or a UP function shall be identified by a unique Node ID. A Node ID may be set to an FQDN or an IP address (see subclause 8.2.38).

CP功能或UP功能應由唯一的Node ID標識。Node ID可設置為FQDN或IP地址。

Prior to establishing an PFCP Association, the function responsible for establishing the PFCP Association (e.g. CP function) shall look up a peer function (e.g. UP function), e.g using DNS procedures (see 3GPP?TS?29.303?[25]), NRF procedures (see 3GPP?TS 29.510?[43]) or local configuration. If the peer function is found to support multiple IP addresses (in the look up information), one of these addresses (any one) shall be used as destination IP address to send the PFCP Association Setup Request. Once the PFCP Association is established, any of the IP addresses of the peer function (found during the look-up) may then be used to send subsequent PFCP node related messages and PFCP session establishment requests for that PFCP Association. ?

在建立PFCP?Association之前,負責建立PFCP偶聯的功能(例如CP功能)應查找對等功能(例如UP功能),例如使用DNS程序、NRF程序或本地配置。如果發現對等功能支持多個IP地址(在查找信息中),則其中一個地址(任意一個)應用作發送PFCP?Association Setup Request的目標IP地址。一旦建立PFCP?Association,對等功能的任何IP地址(在查找期間找到)隨后可用于發送該PFCP?Association的后續PFCP節點相關消息和PFCP會話建立請求。

NOTE 1: The look up information (e.g. in DNS, NRF or local configuration of the function responsible for establishing the PFCP association) needs to be configured consistently with the addressing information of the peer function. If a FQDN is configured to identify a function in DNS or NRF, then the Node ID of that function included in PFCP messages need to be set to the same FQDN. For instance, if the CP function is responsible for establishing the PFCP association, a UP function that exposes multiple IP addresses (for PFCP node related messages and PFCP session establishment requests) needs to be configured in the look up information as one (single) UP function that is associated to multiple IP addresses.

注1:查找信息(例如,在負責建立PFCP偶聯的功能的DNS、NRF或本地配置中)需要與對等功能的尋址信息一致地配置。如果FQDN配置為標識DNS或NRF中的功能,則PFCP消息中包含的該功能Node ID需要設置為相同的FQDN。例如,如果CP功能負責建立PFCP偶聯,則需要在查找信息中將公開多個IP地址(用于PFCP節點相關消息和PFCP會話建立請求)的UP功能配置為與多個IP地址關聯的一個(單個)UP功能。

TSP20822和802-40,NOTE 2: PFCP session related messages for sessions that are already established are sent to the IP address received in the F-SEID allocated by the peer function. This IP address need not be configured in the look up information. See subclause 4.3.2 and 4.3.3.

注2:已建立會話的PFCP會話相關消息發送至對等功能分配的F-SEID中接收的IP地址。不需要在查找信息中配置此IP地址。

5.11 User plane inactivity detection and reporting

Subclause 5.4.4.1 of 3GPP?TS?23.401?[14] requires the PGW to initiate the release of an inactive emergency PDN connection.

Subclause 4.3.7 and 4.3.2.2.2 of 3GPP?TS?23.502?[29] requires the SMF to be able to initiate the deactivation of the UP connection of an existing PDU session without user plane activity for a given inactivity period, except for the H-SMF for?the home routed roaming scenario?or except for an always-on PDU session as described in subclause 5.6.8?of 3GPP?TS?23.501?[28].

3GPP TS 23.502[29]的子條款4.3.7和4.3.2.2.2要求SMF能夠在給定的非活動期內,在沒有用戶平面活動的情況下啟動現有PDU會話的上行連接的停用,除了歸屬路由漫游場景的H-SMF或3GPP TS 23.501[28]子條款5.6.8中描述的始終在線PDU會話之外。

5.13.1?General

The SMF may also request a UPF, acting as a PDU session anchor, to:

tl074和tl084區別,- redirect ARP Address Resolution Protocol (ARP) (see IETF?RFC?826?[32]) or IPv6 Neighbour Solicitation traffic (see IETF?RFC?4861?[33]) to the SMF as specified in subclause 5.13.2, or to respond to perform ARP proxying or IPv6 Neighbour Advertisement proxying Solicitation based on the local cache information as specified in subclause 5.13.3;

-將Address Resolution Protocol(ARP)或IPv6?Neighbour Solicitaion流量重定向至SMF,或根據第5.13.3款規定的本地緩存信息響應ARP或IPv6鄰居請求;

- report the MAC (Ethernet) addresses used as source address of frames sent UL by the UE, as specified in subclause 5.13.5.

For a PFCP session set up for an Ethernet PDU session, the UPF shall:

- detect Ethernet traffic, based on Ethernet Packet Filter(s) provisioned in PDR(s) by the SMF, and process the Ethernet traffic as instructed in the FAR, QER(s) and URR(s) associated to the PDR(s);

- forward ARP Address Resolution Protocol (see IETF?RFC?826?[32]) or IPv6 Neighbour Solicitation messages (see IETF?RFC?4861?[33]) to the SMF, as specified in subclause 5.13.2,?if so required by the SMF.

九陽電飯煲型f40和f50差別,-如SMF要求,按照第5.13.2款的規定,將Address Resolution Protocol或IPv6?Neighbour Solicitation消息轉發至SMF。

- perform ARP proxying respond to Address Resolution Protocol (see IETF?RFC?826?[32]) or IPv6 Neighbour Advertisement proxyingSolicitation (see IETF?RFC?4861?[33]) based on the local cache information, as specified in?subclause 5.13.3, if so required by the SMF;

-如果SMF有要求,根據第5.13.3款規定的本地緩存信息,響應地址解析協議(見IETF RFC 826[32])或IPv6鄰居請求(見IETF RFC 4861[33]);

5.13.2 ARP Address Resolution Protocol or IPv6 Neighbour Advertisement Proxying in Solicitation Response by SMF

If the SMF requests the UPF to forward all ARP Address Resolution Protocol (ARP) (see IETF?RFC?826?[32]) or IPv6 Neighbour Solicitation (see IETF?RFC?4861?[33]) traffic to the SMF to do respond to the ARP or IPv6 Neighbour Advertisement proxying Solicitation based on the local cache information for Ethernet PDU sessions, the SMF shall provision a PDR in the UPF with:

如果SMF請求UPF將所有Address Resolution Protocol(ARP)或IPv6?Neighbour Solicitaion流量轉發給SMF,以基于Ethernet PDU會話的本地緩存信息響應ARP或IPv6?Neighbour Solicitaion,SMF應在UPF中提供PDR,包括:

- an Ethernet Packet Filter containing EtherType 2054 (hexadecimal 0x0806) and associate the PDR with a FAR, for forwarding ARP traffic to the SMF; and/or

tlm4236p?- a PDI containing an application ID such that the identified application ID matches against EtherType 34525 (hexadecimal 0x86DD), IPv6 Next Header type as 58 and ICMP Field Type as 135 and associate the PDR with a FAR, for forwarding IPv6 Neighbour Solicitation traffic to the SMF.

In this case, the user plane packets shall be forwarded between the CP and UP functions by encapsulating the user plane packets using GTP-U encapsulation (see subclause 5.3.1).

The SMF shall perform ARP proxying as specified in IETF?RFC?1027?[32] respond to ARP ?and/or IPv6 Neighbour Advertisement Proxying Solicitation as specified in IETF?RFC?4861?[33] 3GPP?TS?23.501?[28], subclause?5.6.10.2 in this case.

在這種情況下,SMF應響應ARP和/或IPv6?Neighbor Solicitaion

5.13.3 ARP Address Resolution Protocol or IPv6 Neighbour Advertisement Proxying in Solicitation Response by UPF

If the SMF requests the UPF to do ARP respond to Address Resolution Protocol (ARP) (see IETF?RFC?826?[32]) or IPv6 Neighbour Advertisement proxying Solicitation (see IETF?RFC?4861?[33]) based on the local cache information for an Ethernet PDU session, the SMF shall provision a PDR in the UPF with:

如果SMF基于Ethernet PDU會話的本地緩存信息請求UPF響應Address Resolution Protocol(ARP)或IPv6?Neighbour Solicitaion,SMF應在UPF中提供PDR,包括:

- an Ethernet Packet Filter containing EtherType 2054 (hexadecimal 0x0806) and associate the PDR with a FAR that has the ARP bit in Proxying IE of the Forwarding Parameters IE set to 1; or

- a PDI containing an application ID such that the identified application ID?matches against EtherType 34525 (hexadecimal 0x86DD), IPv6 Next Header type as 58 and ICMP Field Type as 135 and associate the PDR with a FAR that has the INS?bit in Proxying IE of the Forwarding Parameters IE set to 1.

The UPF shall perform respond to ARP proxying as specified in IETF?RFC?1027?[32] and/or IPv6 Neighbour Advertisement Proxying Solicitation as specified in IETF?RFC?4861?[33] 3GPP?TS?23.501?[28], subclause?5.6.10.2 in this case.

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