WO2015085566A1 - Resource allocation method, device and system - Google Patents
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- WO2015085566A1 WO2015085566A1 PCT/CN2013/089343 CN2013089343W WO2015085566A1 WO 2015085566 A1 WO2015085566 A1 WO 2015085566A1 CN 2013089343 W CN2013089343 W CN 2013089343W WO 2015085566 A1 WO2015085566 A1 WO 2015085566A1
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- 238000013468 resource allocation Methods 0.000 title claims abstract description 14
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- 230000006855 networking Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- the present invention relates to the field of communications technologies, and in particular, to a resource allocation method, apparatus, and system. Background technique
- FIG. 1 shows the networking diagram of the existing DOCSIS (Data-Over-Cable Service Interface Specifications) system.
- the CMTS Cable Modem Termination System
- the EPON Ethernet Passive Optical Network
- GPON Gigabit-Capable Passive Optical Network
- GPON Gigabit-Capable Passive Optical Network
- GE Gigabit Ethernet
- the upstream direction of the OLT is connected to the IP (Internet Protocol) network through a router or a Layer 3 switch.
- the CMTS mixes the data signal and video signal from the OLT in the downstream direction and sends it to the CM (Cable Modem) through the Cable network.
- the on-line procedure of the existing CM is that the CM sends a registration message to the CMTS.
- the CMTS After receiving the registration message of the CM, the CMTS establishes a service channel with the CM, and assigns a serial number to the CM, and associates the assigned sequence number with the identifier of the established service channel.
- the CMTS After the CMTS assigns the serial number to the CM, it sends a response message to the CM.
- the CM downloads the configuration file to the TFTP (Trivial File Transfer Protocol) server and uses the downloaded configuration file for local configuration.
- TFTP Trivial File Transfer Protocol
- the configuration file is uploaded to the CMTS, and the CMTS is also configured with the configuration file, so that the CM can go online normally.
- the prior art to solve this problem is to use the method of timing aging.
- the CMTS checks the CM in the offline state if it is in The CM in the offline state has reached the set aging time aging-time, then the CMTS will be The resource occupied by the longest CM in the offline state is released, and the newly-online CM uses this resource to initiate the online process.
- the current method also has a big drawback. That is, even if the CM has been in the offline state, it must reach the aging time to allow the resources to be released. In the aging time, the CM that has been in the offline state cannot be deleted, so that if the CMTS is used, If the upper CM is in the aging time, the new CM still cannot go online.
- the embodiment of the present invention provides a resource allocation method, device and system.
- An embodiment of the present invention provides a resource allocation method in a DOCSIS system, where a column number and a priority are set on the CMTS; the method includes:
- the CMTS acquires a configuration file of the newly uploaded CM, and obtains a priority of the newly uploaded CM from the configuration file;
- the CMTS obtains, from the CM information table, an entry whose priority is lower than the priority of the CM of the new online, and assigns the serial number in the obtained entry to the CM of the new online.
- the receiving, by the CMTS, the registration message of the newly-online CM further includes: establishing a service channel between the CM and the newly-online CM.
- the assigning the sequence number in the obtained entry to the CM of the new online line specifically includes:
- An embodiment of the present invention provides a resource allocation method in a DOCSIS system, where a CM information table is set on a CMTS, and an entry of the CM that is registered on the CMTS is stored in an entry of the CM information table.
- the method includes: The CMTS receives a registration message of the newly uploaded CM, and when the number of serial numbers of the CM stored in the CM information table reaches a set number, extracts parameters in the registration message, from locally saved parameters and CM Obtaining the priority of the newly launched CM in the correspondence of priority levels;
- the CMTS obtains, from the CM information table, an entry whose priority is lower than the priority of the CM of the new online, and assigns the serial number in the obtained entry to the CM of the new online.
- the extracted parameters include: one or more of an uplink channel identifier, a downlink channel identifier, and a media access control MAC address of the newly uplinked CM.
- An embodiment of the present invention provides a CMTS, including:
- a storage unit configured to store a CM information table, where an entry of the CM information table stores a serial number and a priority of a CM registered on the CMTS;
- a data transceiver configured to receive a registration message of a newly launched CM
- a processor when the number of serial numbers of CMs stored in the CM information table reaches a set number, assigning a new serial number to the CM of the new online, and passing the temporary serial number through the data Transmitting, by the transceiver, the CM; and acquiring a configuration file of the newly-online CM, obtaining a priority of the newly-online CM from the configuration file, and obtaining a priority ratio from the CM information table
- the entry of the newly-received CM has a lower priority, and the serial number in the obtained entry is assigned to the newly-online CM.
- the data transceiver is further configured to acquire a configuration file from the newly uploaded CM, and store the configuration file into the memory.
- the processor is further configured to establish a service channel with the newly launched CM.
- An embodiment of the present invention provides a CMTS, including:
- CM information table stores a serial number and a priority of a CM registered on the CMTS
- a data transceiver configured to receive a registration message of a newly launched CM
- a processor when the number of sequence numbers of the CMs stored in the CM information table reaches a set number, extracting parameters in the registration message, from a correspondence between locally saved parameters and CM priorities Obtaining a priority of the newly-online CM; and obtaining, from the CM information table, an entry having a lower priority than the newly-online CM, and dividing the sequence number in the obtained entry
- the new CM is assigned to the line.
- the extracted parameters include: one or more of an uplink channel identifier, a downlink channel identifier, and a media access control MAC address of the newly uplinked CM.
- the processor is further configured to establish a service channel with the newly launched CM.
- the method, the device and the system provided by the embodiments of the present invention can ensure that key users preferentially use network resources and maximize the network convergence ratio by using priorities.
- FIG. 1 is a schematic diagram of a DOCSIS system architecture in the prior art
- FIG. 2 is a flowchart of a resource allocation method according to Embodiment 1 of the present invention.
- FIG. 3 is a schematic diagram of a structure of a configuration file according to Embodiment 1 of the present invention.
- FIG. 4 is a schematic diagram of a structure of a CMTS according to Embodiment 1 of the present invention.
- FIG. 5 is a flowchart of resource allocation according to Embodiment 2 of the present invention.
- FIG. 6 is a schematic structural diagram of a CMTS according to Embodiment 2 of the present invention.
- This embodiment provides a resource allocation method in a DOCSIS system.
- a CM information table is required on the CMTS, and the CM information table stores the sequence number and priority of the CM registered on the CMTS.
- the CM information table may be one, and the CM information table has multiple entries, each of which stores the serial number and priority of the CM registered on the CMTS; the CM information table may also be multiple, each
- the CM can store the serial number and priority of a CM registered on the CMTS.
- the MAC address of the registered CM may also be stored in the CM information table, and is used to indicate the serial number assigned by the CM corresponding to the MAC address.
- the priority may also be represented by the sum of bandwidths of all service channels on the CM. The larger the bandwidth sum, the higher the priority.
- This embodiment will take priority as an example. As shown in FIG. 2, the method provided in this embodiment includes:
- Step 200 The CMTS receives a registration message from the newly uploaded CM.
- the registration message carries the MAC (Media Access Control) address of the newly launched CM.
- Step 202 When the number of serial numbers of CMs stored in the CM information table reaches a set number, assign a temporary serial number to the newly uploaded CM.
- the CMTS After receiving the registration message of the newly uploaded CM, the CMTS stores the registration information of the CM, such as the MAC address of the CM, and also needs to assign a serial number to the CM.
- the CMTS has a certain specification, that is, the maximum number of registration information of the CM that can be stored on the CMTS. If the number of registrations exceeds the set number, the registration information of the newly uploaded CM cannot be stored.
- the set number may be reflected in the maximum number of serial numbers that can be stored in the CM information table, if it is through multiple CM information tables.
- the information of the registered CM is stored, and the set number can be reflected in the maximum number of serial numbers that can be stored in the plurality of CM information tables.
- the CMTS can normally allocate resources to the CM, such as establishing a service channel, assigning a serial number, etc., and those skilled in the art should know that no longer set forth.
- the CMTS When the number of serial numbers of the CMs stored in the CM information table reaches a set number, there is no serial number in the specification that can be allocated to the newly uploaded CM. In this embodiment, the CMTS will give the newly-online CM.
- a temporary serial number is assigned, and the temporary serial number may be a reserved serial number other than the specification on the CMTS, that is, a serial number greater than the set number, such as the set number +1.
- the CMTS After assigning the temporary serial number to the newly-online CM, the CMTS also needs to establish a service channel, which is located between the CMTS and the newly-online CM, and is used for transmitting the service between the CMTS and the newly-online CM. After establishing the service channel, the CMTS associates the temporary sequence number with the identity of the established service channel.
- the CMTS can send a response message to the CM to cause the CM to download the configuration file to the TFTP server.
- the CMTS can also send a response message to the CM.
- a permanent service channel is established between the CMTS and the CM. After sending the registration message, the CM can download the configuration file to the TFTP server through the permanent service channel.
- the CM After the CM downloads the configuration file, it can be configured locally according to the configuration file.
- the specific configuration process should be known to those in the field.
- Step 204 The CMTS acquires a configuration file of the newly uploaded CM, and obtains a priority of the newly uploaded CM from the configuration file.
- the CMTS can obtain the configuration file from the newly-online CM, or can be downloaded directly from the TFTP server.
- the CMTS can obtain a variety of specific forms of the CM configuration file that can be newly uploaded. This embodiment does not enumerate.
- the configuration file can consist of many TLVs (Type, Length, Value, Type, Length, Value).
- the standard specifies that the first sub-TLV of TLV[43] must be Vendor ID. When the Vendor ID is OxFFFFFF, it indicates that the other sub-TLVs are DOCSIS extension information.
- a TLV [43] needs to be added to the TLV to carry the priority of the CM, as shown in Table 1 below:
- the overall TLV structure of the profile carrying the priority of the CM can be as shown in FIG.
- the CMTS After the CMTS receives the configuration file of the newly launched CM, it needs to obtain the priority of the newly launched CM from the configuration file.
- Step 206 The CMTS obtains an entry with a lower priority than the CM of the new online line from the CM information table, and allocates the serial number in the obtained entry to the newly uploaded CM. .
- the CMTS may traverse the CM information table to obtain an entry with a lower priority than the CM of the new online line, where the entry includes the already assigned sequence number and corresponding Priority.
- the CMTS may reassign the sequence number in the entry to the newly-online CM.
- the specific process may be that the sequence number in the entry is associated with the identification information of the service channel established above, and the identification information of the service channel may be the service channel. ID, etc., the message sent to the serial number in the entry will be sent to the new online CM through the above service channel.
- the CMTS can notify the new online CM to go online.
- the CMTS may also generate alarm information of the offline CM, send the alarm information to the network management device, and prompt the network management device to perform corresponding processing, such as canceling monitoring.
- the foregoing embodiment is to preempt resources by the priority of the CM.
- the priority may also be implemented by using a bandwidth.
- the corresponding bandwidth is larger, the priority is higher, the bandwidth is smaller, and the priority is lower.
- the bandwidth corresponding to each CM can be directly saved in the CM information table or from the CAR (Committed Access Rate) parameter corresponding to the CM. For the bandwidth of each CM, if the CAR parameters are set based on a single service flow, the total bandwidth of all service flows on each CM needs to be the bandwidth of the CM.
- the CMTS obtains the configuration file of the newly-online CM, obtains the bandwidth of the newly-online CM from the configuration file, compares it with the bandwidth of other CMs registered on the CMTS, and kicks the CM with a small bandwidth off the line, and assigns the corresponding serial number. For the new CM, see the previous procedure for the specific process.
- the resource allocation method provided in this embodiment can ensure that key users preferentially use network resources and maximize network convergence ratio by using priorities.
- the CM in the offline state does not need to wait for the aging time to expire, and allocates the resources occupied by the CM in the offline state to the CM with high priority to improve resource utilization.
- an embodiment of the present invention provides a CMTS, as shown in FIG. 4, including a memory 40, a data transceiver 42, and a processor 44.
- the memory 40 is configured to store a CM information table, and the entry of the CM information table stores the serial number and priority of the CM registered on the CMTS.
- the data transceiver 42 is configured to receive a registration message of the newly uploaded CM.
- the processor 44 when the number of sequence numbers of the CMs stored in the CM information table reaches a set number, assign a temporary sequence number to the newly uploaded CM, where the temporary sequence number is greater than the set And obtaining a configuration file of the newly uploaded CM, obtaining a priority of the newly uploaded CM from the configuration file, and obtaining a priority from the CM information table than the new online
- the entry with a lower priority of the CM assigns the serial number in the obtained entry to the newly-online CM.
- the processor 44 can normally assign a serial number to the newly uploaded CM.
- the processor 44 assigns a temporary serial number to the newly-online CM, and the assigned temporary serial number may be one other than the CMTS specification.
- the serial number such as the number of settings +1.
- the processor 44 also needs to establish a service channel for the newly-online CM.
- the temporary sequence number is associated with the identifier of the established service channel, and the temporary sequence number can be sent to the newly-online CM through the newly established service channel.
- the processor 44 is also configured to obtain a configuration file of the newly-online CM, which may be obtained from the newly uploaded CM, or directly to the TFTP server. After the processor 44 obtains the configuration file of the newly uploaded CM, the configuration file is stored in the memory 40, and the priority of the newly uploaded CM is obtained from the configuration file, and one of the CM information tables is obtained. The entry whose priority is lower than the priority of the newly-online CM assigns the serial number in the acquired entry to the newly-online CM. The method of assigning the sequence number in the entry to the newly-online CM may be to associate the sequence number in the entry with the identifier of the service channel established above.
- the processor 44 also needs to generate alarm information of the offline CM, and notify the data transceiver 40 to send the alarm information to the network management device.
- the CMTS provided in this embodiment can ensure that key users preferentially use network resources and maximize network convergence ratio by using priorities. At the same time, the CM in the offline state does not need to wait for the aging time to age, and allocates the resources occupied by the CM in the offline state to the CM with higher priority to improve the resource utilization.
- Embodiment 2
- This embodiment provides a resource allocation method in a DOCSIS system, which is provided in this embodiment.
- the CM information table needs to be stored on the CMTS, and the CM information table stores the serial number and priority of the CM registered on the CMTS.
- the correspondence between the parameters and the priority needs to be saved on the CMTS.
- the corresponding relationship can be delivered by the network management device or directly on the CMTS.
- the parameter may be one or more of an uplink channel identifier, a downlink channel identifier, an IP address, and a MAC address of the newly uplinked CM.
- the CMTS monitors the DHCP (Dynamic Host Configuration Protocol) dialing process of the CPE connected to the CM or CM.
- DHCP Dynamic Host Configuration Protocol
- the CMTS records the assigned IP address. Because the operator is planning the IP address network segment according to the service type, for example, the CPE of the Internet service will be assigned to the IP address of the network segment 1, and the CPE of the TV service will be assigned to the IP address of the network segment 2. Therefore, the IP address in this embodiment may be an IP network segment representing a service type, or may be a single IP address.
- the method provided in this embodiment is as shown in FIG. 5, and includes:
- Step 500 The CMTS receives the registration message of the newly uploaded CM.
- the registration message carries one or more of an uplink channel identifier, a downlink channel identifier, an IP address, and a MAC address of the newly uplinked CM.
- Step 502 When the number of the serial numbers of the CMs stored in the CM information table reaches a set number, extract the parameters in the registration message, and obtain the new information from the correspondence between the locally saved parameters and the priority of the CM. The priority of the CM on the line.
- the CMTS normally assigns a serial number to the newly uploaded CM and establishes a service channel.
- the CMTS extracts the parameters in the registration message, and obtains the priority of the newly-online CM from the correspondence between the locally saved parameters and the priorities. level.
- Step 504 The CMTS compares the obtained priority with the priority in the CM information table to obtain an entry with a lower priority than the newly uploaded CM.
- the CMTS can also directly compare the priority of the parameter with the priority of the CM information table, and can also directly compare the parameters, such as the parameters in the registration message of the newly uploaded CM and the parameters of other CMs saved on the CMTS. In comparison, since the rule parameters can correspond to a certain priority, it is also possible to obtain a CM having a lower priority than the newly-online CM.
- Step 506 The CMTS assigns the serial number to the newly uploaded CM.
- the CMTS assigns the sequence number in the entry to the newly-online CM, establishes a service channel with the newly-online CM, and associates the sequence number in the entry with the service channel of the newly-online CM.
- the CMTS also needs to kick the original CM corresponding to the serial number in the entry to generate an offline alarm message.
- the method provided in this embodiment can ensure that key users preferentially use network resources to ensure maximum network convergence ratio by using priorities. Setting a series of parameters and priority correspondence on the CMTS simplifies operation. At the same time, the CM in the offline state does not need to wait for the aging time to age, and allocates the resources occupied by the CM in the offline state to the CM with high priority to improve resource utilization.
- the embodiment further provides a CMTS, as shown in FIG. 6, including:
- the storage unit 60 is configured to store a CM information table and a correspondence between a parameter and a priority of the CM, where the CM information table stores a sequence number and a priority of the CM registered on the CMTS; One or more of an uplink channel identifier, a downlink channel identifier, an IP address, and a media access control MAC address of the newly uplinked CM.
- a data transceiver 62 configured to receive a registration message of a newly online CM
- the processor 64 is configured to: when the number of sequence numbers of the CMs stored in the CM information table reaches a set number, extract parameters in the registration message, and correspond to priorities of locally saved parameters and CMs. Obtaining a priority of the newly-launched CM; and obtaining, from the CM information table, an entry having a lower priority than the newly-online CM, and assigning the serial number in the obtained entry Give the new online CM.
- the processor 64 assigns the sequence number in the obtained entry to the newly-online CM. Specifically, the processor may establish a service channel to the newly-online CM, and associate the sequence number in the entry with the established service channel.
- the processor 64 can also kick off the original CM corresponding to the serial number in the entry, and release the resources occupied by the original CM, for example, releasing the service channel corresponding to the original CM.
- the processor 64 can also generate a CM offline alert message, and send the alert message to the network management device via the data transceiver 62.
- the CMTS provided in this embodiment can ensure that key users preferentially use the network by using priorities. Network resources to ensure maximum network convergence ratio. Setting a series of parameters and priority correspondence on the CMTS can simplify the operation. At the same time, the CM in the offline state does not need to wait until the aging time comes to aging. The resources occupied by the CM in the offline state are allocated to the CM with high priority to improve resource utilization. For the device embodiment, since it basically corresponds to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the description of the method embodiment.
- modules described as separate components may or may not be physically separated, and the components displayed as modules may or may not be physical modules, ie may be located One place, or it can be distributed to multiple network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without any creative effort.
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Abstract
Disclosed is a resource allocation method. A CM information table is provided in a CMTS, and serial numbers and priorities of CMs registered on the CMTS are stored in a table entry of the CM information table. The method comprises: receiving, by a CMTS, a registration message from a new on-line CM, and when the number of serial numbers of CMs stored in a CM information table reaches a set number, allocating a temporary serial number which is greater than the set number to the new on-line CM; acquiring, by the CMTS, a configuration file of the new on-line CM, and acquiring a priority of the new on-line CM from the configuration file; and acquiring a table entry with a priority lower than that of the new on-line CM from the CM information table, and allocating the serial number in the acquired table entry to the new on-line CM.
Description
资源分配方法、 装置和系统 Resource allocation method, device and system
技术领域 本发明涉及通信技术领域, 尤其涉及一种资源分配方法、 装置及系统。 背景技术 The present invention relates to the field of communications technologies, and in particular, to a resource allocation method, apparatus, and system. Background technique
图 1为现有的 DOCSIS ( Data-Over-Cable Service Interface Specifications, 电缆 承载数据业务接口规范) 系统的组网架构图。 在图 1中, CMTS ( Cable Modem Termination System , 电缆调制解调终端系统 )在上行方向通过 EPON ( Ethernet Passive Optical Network, 以太网无源光网络) 、 GPON ( Gigabit-Capable Passive Optical Network , 千兆比特无源光网络)或者 GE ( Gigabit Ethernet , 千兆以太网) 连接到 OLT ( Optical Line Terminal, 光线路终端)。 OLT上行方向再通过路由器 或三层交换机接入 IP ( Internet Protocol , 因特网协议) 网络。 CMTS在下行方向 将来自 OLT的数据信号和视频信号混合后由 Cable (电缆)网络发送到 CM ( Cable Modem, 电缆调制解调终端 ) 。 Figure 1 shows the networking diagram of the existing DOCSIS (Data-Over-Cable Service Interface Specifications) system. In Figure 1, the CMTS (Cable Modem Termination System) passes the EPON (Ethernet Passive Optical Network), GPON (Gigabit-Capable Passive Optical Network), GPON (Gigabit-Capable Passive Optical Network) Passive optical network) or GE (Gigabit Ethernet) is connected to the OLT (Optical Line Terminal). The upstream direction of the OLT is connected to the IP (Internet Protocol) network through a router or a Layer 3 switch. The CMTS mixes the data signal and video signal from the OLT in the downstream direction and sends it to the CM (Cable Modem) through the Cable network.
基于图 1的网络架构,现有的 CM的上线过程是由 CM向 CMTS发送注册消息。 CMTS收到该 CM的注册消息后, 建立和该 CM之间的业务通道, 并给该 CM分配 一个序列号, 将分配的序列号和建立的业务通道的标识对应起来。 Based on the network architecture of Figure 1, the on-line procedure of the existing CM is that the CM sends a registration message to the CMTS. After receiving the registration message of the CM, the CMTS establishes a service channel with the CM, and assigns a serial number to the CM, and associates the assigned sequence number with the identifier of the established service channel.
CMTS给 CM分配了序列号后, 会向该 CM发送响应消息, CM会到 TFTP ( Trivial File Transfer Protocol, 简单文件传输协议)服务器下载配置文件, 利用 下载的配置文件进行本地配置。 After the CMTS assigns the serial number to the CM, it sends a response message to the CM. The CM downloads the configuration file to the TFTP (Trivial File Transfer Protocol) server and uses the downloaded configuration file for local configuration.
CM进行了本地配置后, 会将配置文件上传给 CMTS , CMTS也会利用该配 置文件进行配置, 从而使得 CM能够正常上线。 After the CM is configured locally, the configuration file is uploaded to the CMTS, and the CMTS is also configured with the configuration file, so that the CM can go online normally.
上述过程需要 CMTS正常的给 CM分配序列号, 然而运营商在使用 CMTS时, 对网络上的真实用户的数量并不清楚, 导致实际使用过程中, CM的个数达到 CMTS的规格, 结果就是部分 CM无法通过 CMTS进行注册上线。 The above process requires the CMTS to assign the serial number to the CM normally. However, when the CMTS is used by the operator, the number of real users on the network is not clear. As a result, the number of CMs reaches the CMTS specification during actual use, and the result is part. CM cannot be registered online through CMTS.
解决这个问题的现有技术是釆用计时老化的方法, 当 CMTS的 CM的个数达 到规格后又有新的 CM上线时, CMTS会对处于离线 (offline)状态的 CM进行检查, 如果该处于 offline状态的 CM已经达到设置的老化时间 aging-time , 则 CMTS将处
于 offline状态的时间最长的 CM所占用的资源释放掉,并让新上线的 CM使用这个 资源发起上线的过程。 The prior art to solve this problem is to use the method of timing aging. When the number of CMs of the CMTS reaches the specification and a new CM goes online, the CMTS checks the CM in the offline state if it is in The CM in the offline state has reached the set aging time aging-time, then the CMTS will be The resource occupied by the longest CM in the offline state is released, and the newly-online CM uses this resource to initiate the online process.
现在的这种方法也存在很大的缺陷, 就是 CM即使已经处于 offline状态了 也必须达到老化时间才允许释放资源, 而在老化时间内, 已经处于 offline状态 的 CM并不能被删除, 这样如果 CMTS上 CM都处于老化时间内, 则新上线的 CM还是无法正常上线。 The current method also has a big drawback. That is, even if the CM has been in the offline state, it must reach the aging time to allow the resources to be released. In the aging time, the CM that has been in the offline state cannot be deleted, so that if the CMTS is used, If the upper CM is in the aging time, the new CM still cannot go online.
发明内容 Summary of the invention
为使得 CMTS下连接的 CM能正常上线, 本发明实施例提供了一种资源分 配方法、 装置和系统。 In order to enable the CM connected under the CMTS to go online normally, the embodiment of the present invention provides a resource allocation method, device and system.
本发明一个实施例提供一种 DOCSIS系统中的资源分配方法, 在 CMTS上设 列号和优先级; 所述方法包括: An embodiment of the present invention provides a resource allocation method in a DOCSIS system, where a column number and a priority are set on the CMTS; the method includes:
所述 CMTS接收新上线的 CM的注册消息, 当所述 CM信息表中存储的 CM的 序列号的数量达到设定的数量时, 给所述新上线的 CM分配一个临时序列号, 所 述临时序列号大于所述设定的数量; Receiving, by the CMTS, a registration message of the newly-online CM, when the number of sequence numbers of the CMs stored in the CM information table reaches a set number, assigning a temporary serial number to the newly-online CM, the temporary The serial number is greater than the set number;
所述 CMTS获取所述新上线的 CM的配置文件, 从所述配置文件中获取所述 新上线的 CM的优先级; The CMTS acquires a configuration file of the newly uploaded CM, and obtains a priority of the newly uploaded CM from the configuration file;
所述 CMTS从所述 CM信息表中获取一个优先级比所述新上线的 CM的优 先级低的表项, 将所获取的表项中的序列号分配给所述新上线的 CM。 The CMTS obtains, from the CM information table, an entry whose priority is lower than the priority of the CM of the new online, and assigns the serial number in the obtained entry to the CM of the new online.
其中, 所述 CMTS接收到新上线的 CM的注册消息后还包括: 建立和所述新 上线的 CM之间的业务通道。 The receiving, by the CMTS, the registration message of the newly-online CM further includes: establishing a service channel between the CM and the newly-online CM.
作为一种实施方式, 所述将所获取的表项中的序列号分配给所述新上线的 CM具体包括: As an implementation manner, the assigning the sequence number in the obtained entry to the CM of the new online line specifically includes:
建立所述获取的表项中的序列号和所述业务通道的标识信息之间的对应关 系。 Establishing a correspondence between the serial number in the obtained entry and the identification information of the service channel.
本发明一个实施例提供一种 DOCSIS系统中的资源分配方法, 在 CMTS上 设置 CM信息表,所述 CM信息表的表项中存储有在所述 CMTS上注册了的 CM 的序列号和优先级; 所述方法包括:
所述 CMTS接收新上线的 CM的注册消息, 当所述 CM信息表中存储的 CM的 序列号的数量达到设定的数量时, 提取所述注册消息中的参数, 从本地保存的 参数和 CM的优先级的对应关系中获取所述新上线的 CM的优先级; An embodiment of the present invention provides a resource allocation method in a DOCSIS system, where a CM information table is set on a CMTS, and an entry of the CM that is registered on the CMTS is stored in an entry of the CM information table. The method includes: The CMTS receives a registration message of the newly uploaded CM, and when the number of serial numbers of the CM stored in the CM information table reaches a set number, extracts parameters in the registration message, from locally saved parameters and CM Obtaining the priority of the newly launched CM in the correspondence of priority levels;
所述 CMTS从所述 CM信息表中获取一个优先级比所述新上线的 CM的优 先级低的表项, 将所获取的表项中的序列号分配给所述新上线的 CM。 The CMTS obtains, from the CM information table, an entry whose priority is lower than the priority of the CM of the new online, and assigns the serial number in the obtained entry to the CM of the new online.
其中, 所述提取的参数包括: 上行信道标识、 下行信道标识以及所述新上 线的 CM的媒体访问控制 MAC地址中的一种或多种。 The extracted parameters include: one or more of an uplink channel identifier, a downlink channel identifier, and a media access control MAC address of the newly uplinked CM.
本发明一个实施例提供一种 CMTS, 包括: An embodiment of the present invention provides a CMTS, including:
存储器, 用于存储 CM信息表, 所述 CM信息表的表项中存储有在所述 CMTS 上注册了的 CM的序列号和优先级; a storage unit, configured to store a CM information table, where an entry of the CM information table stores a serial number and a priority of a CM registered on the CMTS;
数据收发器, 用于接收新上线的 CM的注册消息; a data transceiver, configured to receive a registration message of a newly launched CM;
处理器, 用于在所述 CM信息表中存储的 CM的序列号的数量达到设定的 数量时, 给所述新上线的 CM分配一个临时序列号, 将所述临时序列号通过所 述数据收发器发送给所述 CM; 以及获取所述新上线的 CM的配置文件,从所述 配置文件中获取所述新上线的 CM的优先级, 从所述 CM信息表中获取一个优 先级比所述新上线的 CM 的优先级低的表项, 将所获取的表项中的序列号分配 给所述新上线的 CM。 a processor, when the number of serial numbers of CMs stored in the CM information table reaches a set number, assigning a new serial number to the CM of the new online, and passing the temporary serial number through the data Transmitting, by the transceiver, the CM; and acquiring a configuration file of the newly-online CM, obtaining a priority of the newly-online CM from the configuration file, and obtaining a priority ratio from the CM information table The entry of the newly-received CM has a lower priority, and the serial number in the obtained entry is assigned to the newly-online CM.
其中, 所述数据收发器还用于从所述新上线的 CM获取配置文件, 将所述 配置文件存储到所述存储器中。 The data transceiver is further configured to acquire a configuration file from the newly uploaded CM, and store the configuration file into the memory.
作为一种实施方式, 所述处理器还用于建立和所述新上线的 CM之间的业 务通道。 As an implementation manner, the processor is further configured to establish a service channel with the newly launched CM.
本发明一个实施例提供一种 CMTS, 包括: An embodiment of the present invention provides a CMTS, including:
存储器, 用于存储 CM信息表, 所述 CM信息表中存储有在所述 CMTS上注册 了的 CM的序列号和优先级; a memory for storing a CM information table, where the CM information table stores a serial number and a priority of a CM registered on the CMTS;
数据收发器, 用于接收新上线的 CM的注册消息; a data transceiver, configured to receive a registration message of a newly launched CM;
处理器, 用于在所述 CM信息表中存储的 CM的序列号的数量达到设定的 数量时, 提取所述注册消息中的参数, 从本地保存的参数和 CM的优先级的对 应关系中获取所述新上线的 CM的优先级; 以及从所述 CM信息表中获取一个 优先级比所述新上线的 CM 的优先级低的表项, 将所获取的表项中的序列号分
配给所述新上线的 CM。 a processor, when the number of sequence numbers of the CMs stored in the CM information table reaches a set number, extracting parameters in the registration message, from a correspondence between locally saved parameters and CM priorities Obtaining a priority of the newly-online CM; and obtaining, from the CM information table, an entry having a lower priority than the newly-online CM, and dividing the sequence number in the obtained entry The new CM is assigned to the line.
其中, 所述提取的参数包括: 上行信道标识、 下行信道标识以及所述新上 线的 CM的媒体访问控制 MAC地址中的一种或多种。 The extracted parameters include: one or more of an uplink channel identifier, a downlink channel identifier, and a media access control MAC address of the newly uplinked CM.
作为一种实施方式, 所述处理器还用于建立和所述新上线的 CM之间的业 务通道。 As an implementation manner, the processor is further configured to establish a service channel with the newly launched CM.
本发明实施例提供的方法、 装置和系统, 通过使用优先级, 可以保证重点 用户优先使用网络资源, 保证网络收敛比的最大化。 The method, the device and the system provided by the embodiments of the present invention can ensure that key users preferentially use network resources and maximize the network convergence ratio by using priorities.
附图说明 DRAWINGS
为了更清楚地说明本发明实施例的技术方案, 下面将对实施例或现有技术 描述中所需要使用的附图作简单地介绍, 显而易见地, 下面描述中的附图仅仅 是本发明的一些实施例, 对于本领域普通技术人员来讲, 在不付出创造性劳动 的前提下, 还可以根据这些附图获得其他的附图。 In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art description will be briefly described below. Obviously, the drawings in the following description are only some of the present invention. For the embodiments, those skilled in the art can obtain other drawings according to the drawings without any creative work.
图 1为现有技术中 DOCSIS系统架构示意图; 1 is a schematic diagram of a DOCSIS system architecture in the prior art;
图 2为本发明实施例一提供的一种资源分配方法流程图; 2 is a flowchart of a resource allocation method according to Embodiment 1 of the present invention;
图 3为本发明实施例一提供的配置文件的结构的示意图; 3 is a schematic diagram of a structure of a configuration file according to Embodiment 1 of the present invention;
图 4为本发明实施例一提供的 CMTS的结构的示意图; 4 is a schematic diagram of a structure of a CMTS according to Embodiment 1 of the present invention;
图 5为本发明实施例二提供的一种资源分配流程图; FIG. 5 is a flowchart of resource allocation according to Embodiment 2 of the present invention;
图 6为本发明实施例二提供的 CMTS的结构示意图。 FIG. 6 is a schematic structural diagram of a CMTS according to Embodiment 2 of the present invention.
具体实施例 下面将结合本发明实施例中的附图, 对本发明实施例中的技术方案进行清 楚、 完整的描述, 显然, 所描述的实施例仅仅是本发明一部分实施例, 而不是 全部的实施例。 基于本发明中的实施例, 本领域普通技术人员在没有做出创造 性劳动前提下所获得的所有其他实施例, 都属于本发明保护的范围。 The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. example. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without the creative work are all within the scope of the present invention.
实施例一 Embodiment 1
本实施例提供了一种 DOCSIS 系统中的资源分配方法, 在该方法中, 需要 在 CMTS上 CM信息表, 该 CM信息表中存储有在 CMTS上注册了的 CM的序 列号和优先级。 CM信息表可以是一个, 则这个 CM信息表里有多个表项, 每个 表项存储有在 CMTS上注册了的 CM的序列号和优先级; CM信息表也可以是 多个, 每一个 CM可以存储一个在 CMTS上注册了的 CM的序列号和优先级。
CM信息表中还可以存储注册了的 CM的 MAC地址, 用于表示 MAC地址 所对应的 CM所分配的序列号。 This embodiment provides a resource allocation method in a DOCSIS system. In this method, a CM information table is required on the CMTS, and the CM information table stores the sequence number and priority of the CM registered on the CMTS. The CM information table may be one, and the CM information table has multiple entries, each of which stores the serial number and priority of the CM registered on the CMTS; the CM information table may also be multiple, each The CM can store the serial number and priority of a CM registered on the CMTS. The MAC address of the registered CM may also be stored in the CM information table, and is used to indicate the serial number assigned by the CM corresponding to the MAC address.
在本发明另一个实施例中, 优先级也可以由 CM上所有业务通道的带宽总 和来表征, 带宽总和越大的, 优先级越高。 本实施例将以优先级作为举例。 如图 2所示, 本实施例所提供的方法包括: In another embodiment of the present invention, the priority may also be represented by the sum of bandwidths of all service channels on the CM. The larger the bandwidth sum, the higher the priority. This embodiment will take priority as an example. As shown in FIG. 2, the method provided in this embodiment includes:
步骤 200、 CMTS接收来自新上线的 CM的注册消息。 Step 200: The CMTS receives a registration message from the newly uploaded CM.
注册消息中携带有该新上线的 CM的 MAC ( Media Access Control, 媒体访 问控制)地址。 步骤 202、 当 CM信息表中存储的 CM的序列号的数量达到设定的数量时, 给所述新上线的 CM分配一个临时序列号。 The registration message carries the MAC (Media Access Control) address of the newly launched CM. Step 202: When the number of serial numbers of CMs stored in the CM information table reaches a set number, assign a temporary serial number to the newly uploaded CM.
CMTS收到新上线的 CM的注册消息后, 会存储该 CM的注册信息, 比如 该 CM的 MAC地址等, 还需要给该 CM分配序列号。 然而 CMTS有一定的规 格, 也就是 CMTS上设定的能存储的 CM的注册信息的最大数量, 超过该设定 数量, 后续新上线的 CM的注册信息将无法存储。 After receiving the registration message of the newly uploaded CM, the CMTS stores the registration information of the CM, such as the MAC address of the CM, and also needs to assign a serial number to the CM. However, the CMTS has a certain specification, that is, the maximum number of registration information of the CM that can be stored on the CMTS. If the number of registrations exceeds the set number, the registration information of the newly uploaded CM cannot be stored.
如果 CMTS上是通过一个 CM信息表来存储注册了的 CM的信息, 则该设 定数量可以体现在该 CM信息表中可以存储的最大的序列号的数量, 如果是通 过多个 CM信息表来存储注册了的 CM的信息, 则该设定数量可以体现在这多 个 CM信息表中可以存储的序列号的最大数量。 If the information on the registered CM is stored through a CM information table on the CMTS, the set number may be reflected in the maximum number of serial numbers that can be stored in the CM information table, if it is through multiple CM information tables. The information of the registered CM is stored, and the set number can be reflected in the maximum number of serial numbers that can be stored in the plurality of CM information tables.
当 CM信息表中存储的 CM的序列号的数量没有达到设定数量时, CMTS 可以正常给 CM分配资源, 比如建立业务通道、 分配序列号等, 本领域技术人 员都应知悉, 在此不再阐述。 When the number of the serial numbers of the CMs stored in the CM information table does not reach the set number, the CMTS can normally allocate resources to the CM, such as establishing a service channel, assigning a serial number, etc., and those skilled in the art should know that no longer set forth.
当 CM信息表中存储的 CM的序列号的数量达到设定数量时, 此时在规格 内已经没有序列号可以分配给新上线的 CM了, 本实施例中, CMTS会给该新 上线的 CM分配一个临时序列号, 该临时序列号可以是 CMTS上规格之外的一 个保留序列号,也就是大于所述设定的数量的一个序列号, 比如设定数量 +1等。 When the number of serial numbers of the CMs stored in the CM information table reaches a set number, there is no serial number in the specification that can be allocated to the newly uploaded CM. In this embodiment, the CMTS will give the newly-online CM. A temporary serial number is assigned, and the temporary serial number may be a reserved serial number other than the specification on the CMTS, that is, a serial number greater than the set number, such as the set number +1.
在给新上线的 CM分配临时序列号后, CMTS还需要建立业务通道, 该业 务通道位于 CMTS和新上线的 CM之间, 用于传输 CMTS和该新上线的 CM之 间的业务。
建立业务通道后, CMTS将临时序列号和建立的业务通道的标识对应起来。 After assigning the temporary serial number to the newly-online CM, the CMTS also needs to establish a service channel, which is located between the CMTS and the newly-online CM, and is used for transmitting the service between the CMTS and the newly-online CM. After establishing the service channel, the CMTS associates the temporary sequence number with the identity of the established service channel.
CMTS可以向 CM发送响应消息,以使得 CM到 TFTP服务器下载配置文件。 当然, CMTS也可以不发响应消息给 CM, 比如 CMTS和 CM之间建有永久业 务通道, CM可以在发送注册消息后, 通过该永久业务通道到 TFTP服务器下载 配置文件。 The CMTS can send a response message to the CM to cause the CM to download the configuration file to the TFTP server. Of course, the CMTS can also send a response message to the CM. For example, a permanent service channel is established between the CMTS and the CM. After sending the registration message, the CM can download the configuration file to the TFTP server through the permanent service channel.
CM下载配置文件后, 可以根据配置文件进行本地配置, 具体配置过程本领 域技术人员都应知悉。 After the CM downloads the configuration file, it can be configured locally according to the configuration file. The specific configuration process should be known to those in the field.
步骤 204、 所述 CMTS获取所述新上线的 CM的配置文件, 从所述配置文 件中获取所述新上线的 CM的优先级。 Step 204: The CMTS acquires a configuration file of the newly uploaded CM, and obtains a priority of the newly uploaded CM from the configuration file.
CMTS可以从新上线的 CM获取配置文件,也可以直接从 TFTP服务器下载 等, CMTS获取新上线的 CM的配置文件的具体形式可以有多种, 本实施例不 一一列举。 The CMTS can obtain the configuration file from the newly-online CM, or can be downloaded directly from the TFTP server. The CMTS can obtain a variety of specific forms of the CM configuration file that can be newly uploaded. This embodiment does not enumerate.
配置文件可以由很多个 TLV ( Type, Length, Value, 类型, 长度, 值)组成, 标准规定 TLV[43]的第一个子 TLV必须是 Vendor ID。当 Vendor ID是 OxFFFFFF 时, 表示其它的子 TLV是 DOCSIS 扩展信息。 本发明实施例需要在这个 TLV 的基础上增加一个 TLV[43]来携带 CM的优先级, 如下表 1所示: The configuration file can consist of many TLVs (Type, Length, Value, Type, Length, Value). The standard specifies that the first sub-TLV of TLV[43] must be Vendor ID. When the Vendor ID is OxFFFFFF, it indicates that the other sub-TLVs are DOCSIS extension information. In this embodiment of the present invention, a TLV [43] needs to be added to the TLV to carry the priority of the CM, as shown in Table 1 below:
(其中 X表示分配一个未使用的类型): (where X means assigning an unused type):
携带有 CM的优先级的配置文件的整体 TLV结构可以如图 3所示。 The overall TLV structure of the profile carrying the priority of the CM can be as shown in FIG.
CMTS收到新上线的 CM的配置文件后, 需要从配置文件中获取该新上线 的 CM的优先级。 After the CMTS receives the configuration file of the newly launched CM, it needs to obtain the priority of the newly launched CM from the configuration file.
步骤 206、 所述 CMTS从所述 CM信息表中获取一个优先级比所述新上线 的 CM 的优先级低的表项, 将所获取的表项中的序列号分配给所述新上线的 CM。
CMTS在获取该新上线的 CM的优先级后, 可以遍历 CM信息表, 获取一 个优先级比该新上线的 CM的优先级低的表项, 该表项中包括已经分配了的序 列号和对应的优先级。 CMTS可以将表项中的序列号重新分配给新上线的 CM, 具体过程可以是将表项中的序列号和上述建立的业务通道的标识信息对应起 来, 业务通道的标识信息可以是业务通道的 ID等, 这样发送给表项中的序列号 的消息会通过上述业务通道发送给该新上线的 CM。 Step 206: The CMTS obtains an entry with a lower priority than the CM of the new online line from the CM information table, and allocates the serial number in the obtained entry to the newly uploaded CM. . After obtaining the priority of the newly-on CM, the CMTS may traverse the CM information table to obtain an entry with a lower priority than the CM of the new online line, where the entry includes the already assigned sequence number and corresponding Priority. The CMTS may reassign the sequence number in the entry to the newly-online CM. The specific process may be that the sequence number in the entry is associated with the identification information of the service channel established above, and the identification information of the service channel may be the service channel. ID, etc., the message sent to the serial number in the entry will be sent to the new online CM through the above service channel.
执行上述步骤后, CMTS可以通知该新上线的 CM正常上线。 After performing the above steps, the CMTS can notify the new online CM to go online.
作为一种实施方式, CMTS还可以生成下线的 CM的告警信息, 将告警信 息发送给网络管理设备, 提示网络管理设备进行相应的处理, 比如取消监控等。 As an implementation manner, the CMTS may also generate alarm information of the offline CM, send the alarm information to the network management device, and prompt the network management device to perform corresponding processing, such as canceling monitoring.
上述实施例是通过 CM的优先级来抢占资源, 作为另外一种实施方式, 优 先级还可以通过带宽来实现, 相应的带宽越大的, 优先级越高, 带宽越小的, 优先级越低。每个 CM对应的带宽可以直接保存在 CM信息表中,也可以从 CM 对应的 CAR ( Committed Access Rate, 承诺接入速度)参数中获取。 对于每个 CM的带宽, 如果 CAR参数中是基于单个业务流来设置的, 则需要将每个 CM 上所有的业务流的带宽总和作为 CM的带宽。 The foregoing embodiment is to preempt resources by the priority of the CM. As another implementation manner, the priority may also be implemented by using a bandwidth. The corresponding bandwidth is larger, the priority is higher, the bandwidth is smaller, and the priority is lower. . The bandwidth corresponding to each CM can be directly saved in the CM information table or from the CAR (Committed Access Rate) parameter corresponding to the CM. For the bandwidth of each CM, if the CAR parameters are set based on a single service flow, the total bandwidth of all service flows on each CM needs to be the bandwidth of the CM.
基于带宽的方式, CMTS在达到规格后有新上线的 CM时, 需要给新上线 的 CM分配一临时序列号, 具体过程如上所述。 In the bandwidth-based mode, when the CMTS has a new online CM after reaching the specification, it needs to assign a temporary serial number to the newly-online CM. The specific process is as described above.
CMTS获取新上线的 CM的配置文件, 从配置文件中获取新上线的 CM的 带宽, 与 CMTS上注册的其他的 CM的带宽进行比较,将带宽小的 CM踢下线, 将对应的序列号分配给新上线的 CM, 具体过程参见前面所述。 The CMTS obtains the configuration file of the newly-online CM, obtains the bandwidth of the newly-online CM from the configuration file, compares it with the bandwidth of other CMs registered on the CMTS, and kicks the CM with a small bandwidth off the line, and assigns the corresponding serial number. For the new CM, see the previous procedure for the specific process.
本实施例提供的资源分配方法, 通过使用优先级, 可以保证重点用户优先 使用网络资源, 保证网络收敛比的最大化。 同时对于处于 offline状态的 CM, 不需要等到老化时间到来才老化, 将处于 offline状态的 CM所占用的资源分配 给优先级高的 CM使用, 提高资源利用率。 基于上述方法, 本发明一个实施例相应的提供一种 CMTS, 如图 4所示, 包括存储器 40、 数据收发器 42、 处理器 44。 The resource allocation method provided in this embodiment can ensure that key users preferentially use network resources and maximize network convergence ratio by using priorities. At the same time, the CM in the offline state does not need to wait for the aging time to expire, and allocates the resources occupied by the CM in the offline state to the CM with high priority to improve resource utilization. Based on the above method, an embodiment of the present invention provides a CMTS, as shown in FIG. 4, including a memory 40, a data transceiver 42, and a processor 44.
其中, 存储器 40, 用于存储 CM信息表, 所述 CM信息表的表项中存储有 在 CMTS上注册了的 CM的序列号和优先级。 The memory 40 is configured to store a CM information table, and the entry of the CM information table stores the serial number and priority of the CM registered on the CMTS.
数据收发器 42, 用于接收新上线的 CM的注册消息。
处理器 44, 用于在所述 CM信息表中存储的 CM的序列号的数量达到设定 的数量时, 给所述新上线的 CM分配一个临时序列号, 所述临时序列号大于所 述设定的数量; 以及获取所述新上线的 CM的配置文件, 从所述配置文件中获 取所述新上线的 CM的优先级, 从所述 CM信息表中获取一个优先级比所述新 上线的 CM 的优先级低的表项, 将所获取的表项中的序列号分配给所述新上线 的 CM。 The data transceiver 42 is configured to receive a registration message of the newly uploaded CM. The processor 44, when the number of sequence numbers of the CMs stored in the CM information table reaches a set number, assign a temporary sequence number to the newly uploaded CM, where the temporary sequence number is greater than the set And obtaining a configuration file of the newly uploaded CM, obtaining a priority of the newly uploaded CM from the configuration file, and obtaining a priority from the CM information table than the new online The entry with a lower priority of the CM assigns the serial number in the obtained entry to the newly-online CM.
当 CM信息表中存储的 CM的序列号的数量没有达到设定的数量时, 处理 器 44可以正常给新上线的 CM分配序列号。 When the number of serial numbers of the CMs stored in the CM information table does not reach the set number, the processor 44 can normally assign a serial number to the newly uploaded CM.
当 CM信息表中存储的 CM的序列号的数量达到设定的数量时, 处理器 44 给所述新上线的 CM分配一个临时序列号, 所分配的临时序列号可以是 CMTS 规格之外的一个序列号, 比如设定数量 +1等。 When the number of serial numbers of CMs stored in the CM information table reaches a set number, the processor 44 assigns a temporary serial number to the newly-online CM, and the assigned temporary serial number may be one other than the CMTS specification. The serial number, such as the number of settings +1.
处理器 44还需要给新上线的 CM建立一个业务通道, 先将临时序列号和建 立的业务通道的标识对应起来, 可以通过新建立的业务通道将临时序列号发送 给新上线的 CM。 The processor 44 also needs to establish a service channel for the newly-online CM. First, the temporary sequence number is associated with the identifier of the established service channel, and the temporary sequence number can be sent to the newly-online CM through the newly established service channel.
处理器 44还用于获取新上线的 CM的配置文件, 获取的方式可以是从新上 线的 CM上获取, 也可以是直接到 TFTP服务器上获取等。 处理器 44获取了新 上线的 CM的配置文件后, 将配置文件存储到存储器 40里, 并从所述配置文件 中获取所述新上线的 CM的优先级, 从所述 CM信息表中获取一个优先级比所 述新上线的 CM 的优先级低的表项, 将所获取的表项中的序列号分配给所述新 上线的 CM。其中,将表项中的序列号分配给新上线的 CM的方式可以是将表项 中的序列号和上述建立的业务通道的标识对应起来等。 The processor 44 is also configured to obtain a configuration file of the newly-online CM, which may be obtained from the newly uploaded CM, or directly to the TFTP server. After the processor 44 obtains the configuration file of the newly uploaded CM, the configuration file is stored in the memory 40, and the priority of the newly uploaded CM is obtained from the configuration file, and one of the CM information tables is obtained. The entry whose priority is lower than the priority of the newly-online CM assigns the serial number in the acquired entry to the newly-online CM. The method of assigning the sequence number in the entry to the newly-online CM may be to associate the sequence number in the entry with the identifier of the service channel established above.
在另一个实施例中, 处理器 44还需要生成下线的 CM的告警信息, 通知数 据收发器 40将告警信息发送给网络管理设备。 In another embodiment, the processor 44 also needs to generate alarm information of the offline CM, and notify the data transceiver 40 to send the alarm information to the network management device.
本实施例提供的 CMTS, 通过使用优先级, 可以保证重点用户优先使用网 络资源, 保证网络收敛比的最大化。 同时对于处于 offline状态的 CM, 不需要 等到老化时间到来才老化, 将处于 offline状态的 CM所占用的资源分配给优先 级高的 CM使用, 提高资源利用率。 实施例二 The CMTS provided in this embodiment can ensure that key users preferentially use network resources and maximize network convergence ratio by using priorities. At the same time, the CM in the offline state does not need to wait for the aging time to age, and allocates the resources occupied by the CM in the offline state to the CM with higher priority to improve the resource utilization. Embodiment 2
本实施例提供一种 DOCSIS 系统中的资源分配方法, 在本实施例提供的方
法中, 需要在 CMTS上存储 CM信息表, CM信息表中存储有在 CMTS上注册 了的 CM的序列号和优先级。 This embodiment provides a resource allocation method in a DOCSIS system, which is provided in this embodiment. In the method, the CM information table needs to be stored on the CMTS, and the CM information table stores the serial number and priority of the CM registered on the CMTS.
CMTS 上还需要保存参数和优先级的对应关系, 这一对应关系可以是由网 络管理设备下发, 也可以直接在 CMTS上配置。 其中参数可以是上行信道标识、 下行信道标识、 IP地址以及所述新上线的 CM的 MAC地址中的一种或多种。 The correspondence between the parameters and the priority needs to be saved on the CMTS. The corresponding relationship can be delivered by the network management device or directly on the CMTS. The parameter may be one or more of an uplink channel identifier, a downlink channel identifier, an IP address, and a MAC address of the newly uplinked CM.
对于 IP地址而言, CMTS会监控 CM或者 CM下所连接的 CPE的 DHCP ( Dynamic Host Configuration Protocol,动态主机配置协议)拨号过程。 当 DHCP 服务器给 CM或者 CPE分配 IP地址后, CMTS会记录分配的 IP地址。 由于运 营商是按照业务类型规划 IP地址网段的, 比如上网业务的 CPE会分配到网段 1 的 IP地址、 电视业务的 CPE会分配到网段 2的 IP地址。 因此本实施例中的 IP 地址可以是代表一个业务类型的 IP网段, 也可以是一个单独的 IP地址等。 For the IP address, the CMTS monitors the DHCP (Dynamic Host Configuration Protocol) dialing process of the CPE connected to the CM or CM. When the DHCP server assigns an IP address to the CM or CPE, the CMTS records the assigned IP address. Because the operator is planning the IP address network segment according to the service type, for example, the CPE of the Internet service will be assigned to the IP address of the network segment 1, and the CPE of the TV service will be assigned to the IP address of the network segment 2. Therefore, the IP address in this embodiment may be an IP network segment representing a service type, or may be a single IP address.
本实施例所提供的方法如图 5所示, 包括: The method provided in this embodiment is as shown in FIG. 5, and includes:
步骤 500、 CMTS接收新上线的 CM的注册消息。 Step 500: The CMTS receives the registration message of the newly uploaded CM.
注册消息中携带有上行信道标识、 下行信道标识、 IP地址以及所述新上线 的 CM的 MAC地址中的一种或多种。 The registration message carries one or more of an uplink channel identifier, a downlink channel identifier, an IP address, and a MAC address of the newly uplinked CM.
步骤 502、 当 CM信息表中存储的 CM的序列号的数量达到设定的数量时, 提取所述注册消息中的参数, 从本地保存的参数和 CM的优先级的对应关系中 获取所述新上线的 CM的优先级。 Step 502: When the number of the serial numbers of the CMs stored in the CM information table reaches a set number, extract the parameters in the registration message, and obtain the new information from the correspondence between the locally saved parameters and the priority of the CM. The priority of the CM on the line.
如果 CM信息表中存储的 CM 的序列号的数量没有达到设定的数量时, CMTS正常的给新上线的 CM分配序列号, 并建立业务通道。 If the number of serial numbers of CMs stored in the CM information table does not reach the set number, the CMTS normally assigns a serial number to the newly uploaded CM and establishes a service channel.
如果 CM信息表中存储的 CM的序列号的数量达到设定的数量时, CMTS 提取所述注册消息中的参数, 从本地保存的参数和优先级的对应关系中获取该 新上线的 CM的优先级。 If the number of the sequence numbers of the CMs stored in the CM information table reaches the set number, the CMTS extracts the parameters in the registration message, and obtains the priority of the newly-online CM from the correspondence between the locally saved parameters and the priorities. level.
步骤 504、 CMTS将获取的优先级和 CM信息表中的优先级进行比较从而获 取一个比新上线的 CM的优先级低的表项。 Step 504: The CMTS compares the obtained priority with the priority in the CM information table to obtain an entry with a lower priority than the newly uploaded CM.
CMTS也可以直接用参数对应的优先级和 CM信息表的优先级进行比较, 还可以直接用参数进行比较,比如将新上线的 CM的注册消息中的参数和 CMTS 上保存的其他 CM的参数进行比较, 由于按照规则参数能对应一定的优先级, 因此也可以获取到比新上线的 CM的优先级低的 CM。 The CMTS can also directly compare the priority of the parameter with the priority of the CM information table, and can also directly compare the parameters, such as the parameters in the registration message of the newly uploaded CM and the parameters of other CMs saved on the CMTS. In comparison, since the rule parameters can correspond to a certain priority, it is also possible to obtain a CM having a lower priority than the newly-online CM.
步骤 506、 CMTS将序列号分配给新上线的 CM。
CMTS将表项中的序列号分配给新上线的 CM,建立和新上线的 CM之间的 业务通道, 将表项中的序列号重新和新上线的 CM的业务通道对应起来。 Step 506: The CMTS assigns the serial number to the newly uploaded CM. The CMTS assigns the sequence number in the entry to the newly-online CM, establishes a service channel with the newly-online CM, and associates the sequence number in the entry with the service channel of the newly-online CM.
CMTS还需要将表项中的序列号对应的原 CM踢下线, 生成下线告警消息, The CMTS also needs to kick the original CM corresponding to the serial number in the entry to generate an offline alarm message.
本实施例提供的方法, 通过使用优先级, 可以保证重点用户优先使用网络 资源, 保证网络收敛比的最大化。 在 CMTS上设置一系列参数和优先级的对应 关系, 可以简化操作。 同时对于处于 offline状态的 CM, 不需要等到老化时间 到来才老化, 将处于 offline状态的 CM所占用的资源分配给优先级高的 CM使 用, 提高资源利用率。 相应的, 本实施例还提供一种 CMTS, 如图 6所示, 包括: The method provided in this embodiment can ensure that key users preferentially use network resources to ensure maximum network convergence ratio by using priorities. Setting a series of parameters and priority correspondence on the CMTS simplifies operation. At the same time, the CM in the offline state does not need to wait for the aging time to age, and allocates the resources occupied by the CM in the offline state to the CM with high priority to improve resource utilization. Correspondingly, the embodiment further provides a CMTS, as shown in FIG. 6, including:
存储器 60, 用于存储 CM信息表以及参数和 CM的优先级的对应关系, 所 述 CM信息表中存储有在所述 CMTS上注册了的 CM的序列号和优先级; 所述 参数具体可以是上行信道标识、 下行信道标识、 IP地址以及所述新上线的 CM 的媒体访问控制 MAC地址中的一种或多种。 The storage unit 60 is configured to store a CM information table and a correspondence between a parameter and a priority of the CM, where the CM information table stores a sequence number and a priority of the CM registered on the CMTS; One or more of an uplink channel identifier, a downlink channel identifier, an IP address, and a media access control MAC address of the newly uplinked CM.
数据收发器 62, 用于接收新上线的 CM的注册消息; a data transceiver 62, configured to receive a registration message of a newly online CM;
处理器 64, 用于在所述 CM信息表中存储的 CM的序列号的数量达到设定 的数量时, 提取所述注册消息中的参数, 从本地保存的参数和 CM的优先级的 对应关系中获取所述新上线的 CM的优先级; 以及从所述 CM信息表中获取一 个优先级比所述新上线的 CM 的优先级低的表项, 将所获取的表项中的序列号 分配给所述新上线的 CM。 The processor 64 is configured to: when the number of sequence numbers of the CMs stored in the CM information table reaches a set number, extract parameters in the registration message, and correspond to priorities of locally saved parameters and CMs. Obtaining a priority of the newly-launched CM; and obtaining, from the CM information table, an entry having a lower priority than the newly-online CM, and assigning the serial number in the obtained entry Give the new online CM.
其中, 处理器 64将获取的表项中的序列号分配给新上线的 CM具体可以是 建立到新上线的 CM的业务通道, 将表项中的序列号和建立的业务通道对应起 来。 The processor 64 assigns the sequence number in the obtained entry to the newly-online CM. Specifically, the processor may establish a service channel to the newly-online CM, and associate the sequence number in the entry with the established service channel.
处理器 64还可以将表项中的序列号对应的原 CM踢下线,释放原 CM所占 用的资源, 比如释放原 CM对应的业务通道等。 处理器 64还可以生成 CM下线 告警消息, 通过数据收发器 62将告警消息发送到网络管理设备。 The processor 64 can also kick off the original CM corresponding to the serial number in the entry, and release the resources occupied by the original CM, for example, releasing the service channel corresponding to the original CM. The processor 64 can also generate a CM offline alert message, and send the alert message to the network management device via the data transceiver 62.
本实施例提供的 CMTS, 通过使用优先级, 可以保证重点用户优先使用网
络资源, 保证网络收敛比的最大化。 在 CMTS上设置一系列参数和优先级的对 应关系, 可以简化操作。 同时对于处于 offline状态的 CM, 不需要等到老化时 间到来才老化, 将处于 offline状态的 CM所占用的资源分配给优先级高的 CM 使用, 提高资源利用率。 对于装置实施例而言, 由于其基本相应于方法实施例, 所以描述得比较简 单, 相关之处参见方法实施例的部分说明即可。 以上所描述的系统实施例仅仅 是示意性的, 其中所述作为分离部件说明的模块可以是或者也可以不是物理上 分开的, 作为模块显示的部件可以是或者也可以不是物理模块, 即可以位于一 个地方, 或者也可以分布到多个网络模块上。 可以根据实际的需要选择其中的 部分或者全部模块来实现本实施例方案的目的。 本领域普通技术人员在不付出 创造性劳动的情况下, 即可以理解并实施。 The CMTS provided in this embodiment can ensure that key users preferentially use the network by using priorities. Network resources to ensure maximum network convergence ratio. Setting a series of parameters and priority correspondence on the CMTS can simplify the operation. At the same time, the CM in the offline state does not need to wait until the aging time comes to aging. The resources occupied by the CM in the offline state are allocated to the CM with high priority to improve resource utilization. For the device embodiment, since it basically corresponds to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the description of the method embodiment. The system embodiments described above are merely illustrative, wherein the modules described as separate components may or may not be physically separated, and the components displayed as modules may or may not be physical modules, ie may be located One place, or it can be distributed to multiple network modules. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without any creative effort.
对所公开的实施例的上述说明, 使本领域专业技术人员能够实现或使用本 发明。 本发明实施例将不会被限制于本文所示的这些实施例, 而是要符合与本 文所公开的原理和新颖特点相一致的最宽的范围。
The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. The present invention is not limited to the embodiments shown herein, but is to be accorded the broadest scope of the principles and novel features disclosed herein.
Claims
1、 一种电缆承载数据业务接口规范 DOCSIS系统中的资源分配方法, 其特 征在于, 电缆调制解调终端系统 CMTS设置有电缆调制解调终端 CM信息表, 所 述方法包括: 1. A resource allocation method in a cable bearer data service interface specification DOCSIS system, which is characterized in that the cable modem terminal system CMTS is provided with a cable modem terminal CM information table, and the method includes:
所述 CMTS接收新上线的 CM的注册消息, 当所述 CM信息表中存储的 CM的 序列号的数量达到设定的数量时, 给所述新上线的 CM分配一个临时序列号, 所 述临时序列号大于所述设定的数量; The CMTS receives the registration message of the newly online CM, and when the number of CM serial numbers stored in the CM information table reaches a set number, allocates a temporary serial number to the newly online CM, and the temporary The serial number is greater than the set number;
所述 CMTS获取所述新上线的 CM的配置文件, 从所述配置文件中获取所述 新上线的 CM的优先级; The CMTS obtains the configuration file of the newly online CM, and obtains the priority of the newly online CM from the configuration file;
所述 CMTS从所述 CM信息表中获取一个优先级比所述新上线的 CM的优先 级低的表项, 将所获取的表项中的序列号分配给所述新上线的 CM。 The CMTS obtains an entry with a lower priority than the newly online CM from the CM information table, and allocates the sequence number in the obtained entry to the newly online CM.
2、根据权利要求 1所述的方法,其特征在于,所述 CMTS接收到新上线的 CM 的注册消息后还包括: 2. The method according to claim 1, characterized in that after the CMTS receives the registration message of the newly online CM, it further includes:
建立和所述新上线的 CM之间的业务通道。 Establish a business channel with the newly online CM.
3、 根据权利要求 2所述的方法, 其特征在于, 所述将所获取的表项中的序 列号分配给所述新上线的 CM具体包括: 3. The method according to claim 2, wherein allocating the sequence number in the obtained entry to the newly online CM specifically includes:
建立所述获取的表项中的序列号和所述业务通道的标识信息之间的对应关 系。 Establish a corresponding relationship between the sequence number in the obtained entry and the identification information of the service channel.
4、 根据权利要求 1所述的方法, 其特征在于, 所述获取所述新上线的 CM的 配置文件具体包括: 4. The method according to claim 1, wherein the obtaining the configuration file of the newly online CM specifically includes:
从所述新上线的 CM获取配置文件, 所述配置文件为所述新上线的 CM使用 所述临时序列号从存储有配置文件的服务器获取。 Obtain the configuration file from the newly online CM, and the configuration file is obtained by the newly online CM from the server where the configuration file is stored using the temporary serial number.
5、 一种电缆承载数据业务接口规范 DOCSIS系统中的资源分配方法, 其特 征在于, 电缆调制解调终端系统 CMTS设置有电缆调制解调终端 CM信息表, 所 包括:
所述 CMTS接收新上线的 CM的注册消息, 当所述 CM信息表中存储的 CM的 序列号的数量达到设定的数量时, 提取所述注册消息中的参数, 从本地保存的 参数和 CM的优先级的对应关系中获取所述新上线的 CM的优先级; 5. A resource allocation method in a cable bearer data service interface specification DOCSIS system, characterized in that the cable modem terminal system CMTS is provided with a cable modem terminal CM information table, including: The CMTS receives the registration message of the newly online CM. When the number of CM serial numbers stored in the CM information table reaches a set number, the CMTS extracts the parameters in the registration message and extracts the parameters from the locally saved parameters and CM. Obtain the priority of the newly online CM from the priority corresponding relationship;
所述 CMTS从所述 CM信息表中获取一个优先级比所述新上线的 CM的优先 级低的表项, 将所获取的表项中的序列号分配给所述新上线的 CM。 The CMTS obtains an entry with a lower priority than the newly online CM from the CM information table, and allocates the sequence number in the obtained entry to the newly online CM.
6、 根据权利要求 5所述的方法, 其特征在于, 所述提取的参数包括: 上行 信道标识、 下行信道标识、 IP地址以及所述新上线的 CM的媒体访问控制 MAC地 址中的一种或多种。 6. The method according to claim 5, characterized in that the extracted parameters include: one of an uplink channel identifier, a downlink channel identifier, an IP address, and a media access control MAC address of the newly online CM, or Various.
7、 根据权利要求 5所述的方法, 其特征在于, 所述将所获取的表项中的序 列号分配给所述新上线的 CM之前还包括: 7. The method according to claim 5, wherein before allocating the sequence number in the obtained entry to the newly online CM, the method further includes:
建立和所述新上线的 CM之间的业务通道。 Establish a business channel with the newly online CM.
8、 根据权利要求 7所述的方法, 其特征在于, 所述将所获取的表项中的序 列号分配给所述新上线的 CM具体包括: 8. The method according to claim 7, wherein allocating the sequence number in the obtained entry to the newly online CM specifically includes:
建立所述获取的表项中的序列号和所述业务通道的标识信息之间的对应关 系。 Establish a corresponding relationship between the sequence number in the obtained entry and the identification information of the service channel.
9、根据权利要求 5-8任意一项所述的方法, 其特征在于, 所述将所获取的表 项中的序列号分配给所述新上线的 CM之后还包括: 9. The method according to any one of claims 5-8, characterized in that, after allocating the sequence number in the obtained entry to the newly online CM, the method further includes:
生成下线的 CM的告警信息, 将告警信息发送给网络管理设备。 Generate alarm information for the offline CM and send the alarm information to the network management device.
10、 一种电缆调制解调终端系统 CMTS, 其特征在于, 包括: 10. A cable modem terminal system CMTS, which is characterized by including:
存储器, 用于存储电缆调制解调终端 CM信息表, 所述 CM信息表的表项中 存储有在所述 CMTS上注册了的 CM的序列号和优先级; A memory used to store the cable modem terminal CM information table, where the sequence number and priority of the CM registered on the CMTS are stored in the entries of the CM information table;
数据收发器, 用于接收新上线的 CM的注册消息; Data transceiver, used to receive the registration message of the newly online CM;
处理器, 用于在所述 CM信息表中存储的 CM的序列号的数量达到设定的数 量时, 给所述新上线的 CM分配一个临时序列号, 所述临时序列号大于所述设定 的数量; 以及获取所述新上线的 CM的配置文件, 从所述配置文件中获取所述新 上线的 CM的优先级,从所述 CM信息表中获取一个优先级比所述新上线的 CM的 优先级低的表项, 将所获取的表项中的序列号分配给所述新上线的 CM。 The processor is configured to allocate a temporary serial number to the newly online CM when the number of CM serial numbers stored in the CM information table reaches a set number, and the temporary serial number is greater than the set number. and obtain the configuration file of the newly online CM, obtain the priority of the newly online CM from the configuration file, and obtain a priority higher than the newly online CM from the CM information table The sequence number in the obtained entry is assigned to the newly online CM.
11、 根据权利要求 10所述的 CMTS, 其特征在于, 所述数据收发器还用于从 所述新上线的 CM获取配置文件, 将所述配置文件存储到所述存储器中。
11. The CMTS according to claim 10, wherein the data transceiver is further configured to obtain a configuration file from the newly online CM, and store the configuration file in the memory.
12、 根据权利要求 10所述的 CMTS, 其特征在于, 所述处理器还用于建立和 所述新上线的 CM之间的业务通道。 12. The CMTS according to claim 10, wherein the processor is also used to establish a service channel with the newly online CM.
13、 一种电缆调制解调终端系统 CMTS, 其特征在于, 包括: 13. A cable modem terminal system CMTS, which is characterized by including:
存储器, 用于存储电缆调制解调终端 CM信息表, 所述 CM信息表中存储有 在所述 CMTS上注册了的 CM的序列号和优先级; A memory used to store a cable modem terminal CM information table, where the CM information table stores the serial number and priority of the CM registered on the CMTS;
数据收发器, 用于接收新上线的 CM的注册消息; Data transceiver, used to receive the registration message of the newly online CM;
处理器, 用于在所述 CM信息表中存储的 CM的序列号的数量达到设定的数 量时, 提取所述注册消息中的参数, 从本地保存的参数和 CM的优先级的对应关 系中获取所述新上线的 CM的优先级; 以及从所述 CM信息表中获取一个优先级 比所述新上线的 CM的优先级低的表项, 将所获取的表项中的序列号分配给所述 新上线的 CM。 The processor is configured to extract the parameters in the registration message when the number of CM serial numbers stored in the CM information table reaches a set number, and extract the parameters in the registration message from the corresponding relationship between the locally saved parameters and the priority of the CM. Obtain the priority of the newly online CM; and obtain an entry with a lower priority than the newly online CM from the CM information table, and assign the sequence number in the obtained entry to The newly launched CM.
14、 根据权利要求 13所述的 CMTS, 其特征在于, 所述提取的参数包括: 上 行信道标识、 下行信道标识、 IP地址以及所述新上线的 CM的媒体访问控制 MAC 地址中的一种或多种。 14. The CMTS according to claim 13, wherein the extracted parameters include: one of an uplink channel identifier, a downlink channel identifier, an IP address, and a media access control MAC address of the newly online CM, or Various.
15、 根据权利要求 13所述的 CMTS, 其特征在于, 所述处理器还用于建立和 所述新上线的 CM之间的业务通道。 15. The CMTS according to claim 13, wherein the processor is also used to establish a service channel with the newly online CM.
16、 一种电缆承载数据业务接口规范 DOCSIS系统, 包括如权利要求 10-12 任意一项所述的 CMTS、 或者包括如权利要求 13-15任意一项所述的 CMTS。
16. A cable bearer data service interface specification DOCSIS system, including the CMTS as described in any one of claims 10-12, or the CMTS as described in any one of claims 13-15.
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