CN106713040B - A kind of GM equipment in-band management network-building method - Google Patents
A kind of GM equipment in-band management network-building method Download PDFInfo
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- CN106713040B CN106713040B CN201611246471.6A CN201611246471A CN106713040B CN 106713040 B CN106713040 B CN 106713040B CN 201611246471 A CN201611246471 A CN 201611246471A CN 106713040 B CN106713040 B CN 106713040B
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- equipment
- message
- management
- otn
- network management
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0658—Clock or time synchronisation among packet nodes
- H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
- H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1652—Optical Transport Network [OTN]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1652—Optical Transport Network [OTN]
- H04J3/1664—Optical Transport Network [OTN] carrying hybrid payloads, e.g. different types of packets or carrying frames and packets in the paylaod
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a kind of GM equipment in-band management network-building methods: the functional area of GM equipment and management interface are logically fused into a physical interface, PTP service message and NMS packet are sent to OTN equipment by the same physical interface, two kinds of messages are identified in OTN equipment end, PTP service message is handled and issued according to PTP protocol standard, center network management system is sent by NMS packet, NMS packet is encoded according to standard UDP protocol format, and a set of center network management carries out NE management to OTN equipment and GM equipment simultaneously.The functional area of GM equipment and management interface are logically fused into a physical interface by the present invention, are effectively realized a set of center network management and are carried out NE management to OTN equipment and GM equipment simultaneously.Significantly reduce operation cost.
Description
Technical field
The invention belongs to communication technique fields, are related to a kind of network-building method, especially a kind of GM equipment in-band management networking
Method.
Background technique
Time source of the PTP GrandMaster equipment (abbreviation GM equipment) as entire OTN transmission network, external physics
Interface is generally divided into business interface and network management interface.Business interface be connected to downstream transmission network for offer time service service.Net
Interface tube is connected to center network management system, and at center, network management platform carries out NE management to each GM equipment.As shown in Figure 1.
In NE management level, as shown in Figure 2: being usually the center that GM equipment and OTN transmission device respectively use oneself
Network management system is managed respective network element.
There are the following problems for this mode of the prior art:
GM equipment would generally use simultaneously with OTN equipment, but GM equipment and OTN equipment are researched and developed by different manufacturers
Production, therefore respectively need to operate simultaneously, safeguard, manage two sets for operator using the center network management system of oneself
Center network management system, improves operation cost.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of GM equipment in-band management networking side is provided
Method may be implemented a set of center network management and carry out NE management to OTN equipment and GM equipment simultaneously.
The purpose of the present invention is achieved through the following technical solutions:
This GM equipment in-band management network-building method: the functional area of GM equipment and management interface are logically fused into one
A physical interface sends PTP service message and NMS packet to OTN equipment, in OTN equipment end pair by the same physical interface
Two kinds of messages are identified, PTP service message is handled and issued according to PTP protocol standard, sends NMS packet to
Center network management system, NMS packet are encoded according to standard UDP protocol format, a set of center network management simultaneously to OTN equipment and
GM equipment carries out NE management.This method specifically:
Agreement GM equipment be sent to center network management message be uplink message, center network management be issued to GM equipment message be under
Row message:
In up direction: GM equipment sends OTN equipment, OTN equipment for PTP message and NMS packet by Ethernet interface
Each message received is identified, then carries out respective handling according to PTP protocol if it is PTP message；If it is network management
NMS packet is then forwarded to center network management according to routing rule by message；OTN equipment reports NMS packet to central network simultaneously
Pipe, the center network management can receive the uplink NMS packet of GM equipment and OTN equipment simultaneously, can be realized to GM equipment and OTN
The information of equipment is inquired；
In down direction: center network management issues the down management message of OTN equipment and GM equipment to OTN equipment, OTN equipment
It identifies downlink message destination IP, if destination address is OTN equipment itself, down management message is handled, if mesh
Address be not OTN equipment itself, then down management message is forwarded to GM equipment according to routing rule；While OTN equipment is also
PTP message is sent to GM equipment, GM equipment receives NMS packet and PTP message simultaneously, and knows to the network message received
Not, it is stored in different buffer respectively, is then handled according to PTP protocol if it is PTP message, then locates if it is NMS packet
Reason network management communication agreement is handled.
Further, the above NMS packet is transmitted using UDP format.
Further, the above NMS packet payload length is fixed as 422 bytes.
Further, the above network management downlink message frame format is defined as follows:
0-1 byte: the serial number of current NMS packet；
2-9 byte: network management account user name；
10-17 byte: network management account password；
18-21 byte: the type of transmitting order to lower levels；
22-421 byte: transmitting order to lower levels details.
Further, the above equipment uplink message UDP user data frame structure are as follows:
0-1 byte: the serial number of current NMS packet；
2-15 byte: the time that current NMS packet generates；
16-17 byte: reserve bytes；
18-21 byte: the type of information is reported；
22-421 byte: information details are reported.
Compared with prior art, the invention has the following advantages:
The GM equipment and OTN equipment of the prior art use respective center network management system respectively, need to operate simultaneously, safeguard,
Manage two sets of center network management systems, improve operation cost, and the present invention by the functional area of GM equipment and management interface in logic
On be fused into a physical interface, effectively realize a set of center network management and NE management carried out to OTN equipment and GM equipment simultaneously.
Significantly reduce operation cost.GM equipment network management protocol uses the udp protocol of the universal standard, and OTN equipment manufacturer can hold very much
The featured function being managed to GM equipment is supported in realization of changing places on oneself center OTN network management platform, enhances OTN instrument factory
The market competitiveness of family.
Detailed description of the invention
Fig. 1 is the GM appliance services networking diagram of the prior art；
Fig. 2 is the NE management level schematic diagram of the prior art；
Fig. 3 is GM appliance services networking diagram of the invention.
Specific embodiment
GM equipment in-band management network-building method of the invention, is logically to melt the functional area of GM equipment with management interface
A physical interface is synthesized, PTP service message and NMS packet are sent to OTN equipment by the same physical interface, set in OTN
Standby end identifies two kinds of messages, and PTP service message is handled and issued according to PTP protocol standard, by NMS packet
It is sent to center network management system, NMS packet is encoded according to standard UDP protocol format, and a set of center network management is simultaneously to OTN
Equipment and GM equipment carry out NE management.
The invention will be described in further detail with reference to the accompanying drawing:
Referring to Fig. 3: the message that agreement GM equipment is sent to center network management is uplink message, and center network management is issued to GM equipment
Message is downlink message:
In up direction: GM equipment sends OTN equipment, OTN equipment for PTP message and NMS packet by Ethernet interface
Each message received is identified, then respective handling is carried out according to PTP protocol if it is PTP message, if it is network management
NMS packet is then forwarded to center network management according to routing rule by message.OTN equipment reports net also according to traditional approach simultaneously
For pipe message to center network management, such center network management can receive the uplink NMS packet of GM equipment and OTN equipment simultaneously, can
The information of GM equipment and OTN equipment is inquired in realization.
In down direction: center network management issues the down management message of OTN equipment and GM equipment to OTN equipment, OTN equipment
It identifies downlink message destination IP, if destination address is oneself, down management message is handled, if destination address is not
It is oneself, then down management message is forwarded to GM equipment according to routing rule.Simultaneously OTN equipment can also send PTP message to
GM equipment, GM equipment receives NMS packet and PTP message simultaneously, and identifies to the network message received, is stored in respectively not
Same buffer, is then handled according to PTP protocol if it is PTP message, and network management communication association is then handled if it is NMS packet
View is handled.
NMS packet format provides as follows:
One, NMS packet is transmitted using UDP format.
Two, NMS packet payload length is fixed as 422 bytes.
Three, network management downlink message frame format is defined as follows:
0-1 byte: the serial number of current NMS packet；
2-9 byte: network management account user name；
10-17 byte: network management account password；
18-21 byte: the type of transmitting order to lower levels；
22-421 byte: transmitting order to lower levels details.
Four, equipment uplink message UDP user data frame structure is as follows:
0-1 byte: the serial number of current NMS packet；
2-15 byte: the time that current NMS packet generates；
16-17 byte: reserve bytes；
18-21 byte: report information type may for MSG0, MSG1, MSG2 ...
22-421 byte: information details are reported.
Claims (4)
1. a kind of GM equipment in-band management network-building method, which is characterized in that by the functional area of GM equipment and management interface in logic
On be fused into a physical interface, PTP service message and NMS packet are sent to OTN equipment, In by the same physical interface
OTN equipment end identifies two kinds of messages, and PTP service message is handled and issued according to PTP protocol standard, by network management
Message is sent to center network management system, and NMS packet is encoded according to standard UDP protocol format, and a set of center network management is right simultaneously
OTN equipment and GM equipment carry out NE management；
The message that agreement GM equipment is sent to center network management is uplink message, and the message that center network management is issued to GM equipment is downlink report
Text:
In up direction: GM equipment sends OTN equipment for PTP message and NMS packet by Ethernet interface, and OTN equipment is to receipts
To each message identified, if it is PTP message then according to PTP protocol carry out respective handling；If it is NMS packet,
NMS packet is then forwarded to center network management according to routing rule；OTN equipment reports NMS packet to center network management simultaneously, described
Center network management can receive the uplink NMS packet of GM equipment and OTN equipment simultaneously, can be realized the letter to GM equipment and OTN equipment
Breath is inquired；
In down direction: center network management issues the down management message of OTN equipment and GM equipment to OTN equipment, the identification of OTN equipment
Downlink message destination IP is handled down management message, if destination address is OTN equipment itself if destination
Location is not OTN equipment itself, then down management message is forwarded to GM equipment according to routing rule；OTN equipment is also sent simultaneously
For PTP message to GM equipment, GM equipment receives NMS packet and PTP message simultaneously, and identifies to the network message received, point
It is not stored in different buffer, is then handled according to PTP protocol if it is PTP message, if it is NMS packet then according to net
Pipe communication protocol is handled；
NMS packet is transmitted using UDP format.
2. GM equipment in-band management network-building method according to claim 1, which is characterized in that NMS packet payload long
Degree is fixed as 422 bytes.
3. GM equipment in-band management network-building method according to claim 2, which is characterized in that network management downlink message frame format
It is defined as follows:
0-1 byte: the serial number of current NMS packet；
2-9 byte: network management account user name；
10-17 byte: network management account password；
18-21 byte: the type of transmitting order to lower levels；
22-421 byte: transmitting order to lower levels details.
4. GM equipment in-band management network-building method according to claim 1, which is characterized in that equipment uplink message UDP is used
User data frame structure are as follows:
0-1 byte: the serial number of current NMS packet；
2-15 byte: the time that current NMS packet generates；
16-17 byte: reserve bytes；
18-21 byte: the type of information is reported；
22-421 byte: information details are reported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611246471.6A CN106713040B (en) | 2016-12-29 | 2016-12-29 | A kind of GM equipment in-band management network-building method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611246471.6A CN106713040B (en) | 2016-12-29 | 2016-12-29 | A kind of GM equipment in-band management network-building method |
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| CN106713040A CN106713040A (en) | 2017-05-24 |
| CN106713040B true CN106713040B (en) | 2019-11-19 |
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| CN201611246471.6A Active CN106713040B (en) | 2016-12-29 | 2016-12-29 | A kind of GM equipment in-band management network-building method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201557123U (en) * | 2009-11-02 | 2010-08-18 | 上海泰坦通信工程有限公司 | Device for converting network time signal into direct current time code |
| CN102843293A (en) * | 2012-08-20 | 2012-12-26 | 中兴通讯股份有限公司 | Method for processing message and network element equipment |
| CN104471883A (en) * | 2012-05-24 | 2015-03-25 | 瑞典爱立信有限公司 | Distributing clock synchronization information within an optical communications network |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012048975A1 (en) * | 2010-10-13 | 2012-04-19 | Telefonaktiebolaget L M Ericsson (Publ) | Determining asymmetries in a communication network |
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2016
- 2016-12-29 CN CN201611246471.6A patent/CN106713040B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201557123U (en) * | 2009-11-02 | 2010-08-18 | 上海泰坦通信工程有限公司 | Device for converting network time signal into direct current time code |
| CN104471883A (en) * | 2012-05-24 | 2015-03-25 | 瑞典爱立信有限公司 | Distributing clock synchronization information within an optical communications network |
| CN102843293A (en) * | 2012-08-20 | 2012-12-26 | 中兴通讯股份有限公司 | Method for processing message and network element equipment |
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| CN106713040A (en) | 2017-05-24 |
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