CN113709267A - Network unicast addressing method and internet thereof - Google Patents
Network unicast addressing method and internet thereof Download PDFInfo
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- CN113709267A CN113709267A CN202011442975.1A CN202011442975A CN113709267A CN 113709267 A CN113709267 A CN 113709267A CN 202011442975 A CN202011442975 A CN 202011442975A CN 113709267 A CN113709267 A CN 113709267A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000004931 aggregating effect Effects 0.000 claims description 4
- 230000002776 aggregation Effects 0.000 claims description 2
- 238000004220 aggregation Methods 0.000 claims description 2
- 230000006870 function Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5069—Address allocation for group communication, multicast communication or broadcast communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2101/00—Indexing scheme associated with group H04L61/00
- H04L2101/60—Types of network addresses
- H04L2101/604—Address structures or formats
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2101/00—Indexing scheme associated with group H04L61/00
- H04L2101/60—Types of network addresses
- H04L2101/686—Types of network addresses using dual-stack hosts, e.g. in Internet protocol version 4 [IPv4]/Internet protocol version 6 [IPv6] networks
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Abstract
The invention discloses a network unicast addressing method and an internet thereof, relating to the technical field of internet and providing an addressing method in other internet except the prior internet. The network unicast addressing method provided by the invention comprises the following steps: distributing the unicast address of the network to each interface, and receiving and transmitting data packets by the node according to the unicast address of each interface; a unicast address is an address aggregated using a continuous bit mask, with an interface identifier. The invention provides a unicast address and a unicast addressing mode based on a new address type so as to support more address hierarchies, more addressable nodes and simpler automatic address configuration.
Description
Technical Field
The invention relates to the technical field of internet, in particular to a network unicast addressing method and an internet thereof
Technical Field
Nowadays, the internet has become an indispensable important part in our daily life, and after the internet is accessed, the internet in china has undergone rapid development and achieved great achievements, but the problems of free network application and information security are more obvious. There are more limitations in terms of network security and network application freedom. At present, the internet of vehicles, the internet of things, intelligent cities and the like which are vigorously developed in China are all established on the basis of the internet. Therefore, there is also a great risk: the resolution of the domain name is stopped, and the whole network is paralyzed due to the limited access of the special network. In addition to the hidden dangers in the aspects of network ownership and safety, the economic expenditure generated by the internet is also huge, and with the coming of the era of the internet of things, the IP addresses and the international export flow cost required by China will also rise greatly due to the introduction of electronic tags, 4G and 5G mobile terminals. The current internet network ownership limit is still large, and the application freedom is relatively weak.
Disclosure of Invention
In order to solve the problems, the invention provides a network unicast addressing method, which is used for providing an addressing method for other interconnected networks except the existing internet.
In order to solve the problems, the invention adopts the following technical scheme:
a network unicast addressing method, the network comprising links, nodes and interfaces connecting the nodes to the links, the network unicast addressing method comprising the steps of:
distributing the unicast address of the network to each interface, and receiving and transmitting data packets by the node according to the unicast address of each interface; wherein the unicast address is an address aggregated using a continuous bit mask, and the unicast addresses assigned to the respective interfaces have interface identifiers.
Optionally, the unicast address has 232 bits and is divided into 7 segments, where the 1 st segment is the 1 st to 8 th bits and represents a type prefix, the 2 nd segment is the 9 nd to 16 th bits and represents a country, the 3 rd segment is the 17 rd to 32 th bits and represents a region, the 4 th segment is the 33 th to 40 th bits and represents a top-level operator, the 5 th segment is the 41 th to 56 th bits and represents an operator definition, the 6 th segment is the 57 th to 200 th bits and represents a user ID, and the 7 th segment is the 201 th to 232 th bits and represents an interface address;
when the 8 th bit in the type prefix is 1, the address type is an aggregatable global unicast address, when the 8 th bit in the type prefix is 2, the address type is a link local unicast address, and when the 8 th bit in the type prefix is 3, the address type is a site local unicast address.
Optionally, when the address type is an aggregatable global unicast address, the 2 nd segment forming the unicast address is used for differentiating and aggregating different country regions, and the 3 rd segment forming the unicast address is used for aggregating management regions of a single country;
when the address type is a link local unicast address, the 2 nd to 5 th sections of the unicast address are 0, the 6 th section uses only the last 32 bits, and the other bits of the 6 th section are 0;
when the address type is a site local unicast address, the 2 nd to 6 th sections of the unicast address are all customized.
Optionally, when the address type is a link local unicast address or a site local unicast address, the interface identifier is 32 bits of the second segment and the second segment of the 6 th segment of the unicast address, which form an IEEE EUI-64 format, and when the u position of the IEEE EUI-64 is 0, the interface identifier has a meaning in a local scope, and when the u position of the IEEE EUI-64 is 1, the interface identifier has a meaning in a global scope.
Optionally, among the 7 segments constituting the unicast address, the 1 st segment to the 5 th segment and the 7 th segment are decimal values, the 6 th segment is a string value, and each segment is separated by a single-sided brace symbol.
Optionally, when the 7 segments forming the unicast address are all 0, the unicast address is taken as the designated address; when the 1 st segment to the 6 th segment in the 7 segments forming the unicast address are 0 and the 7 th segment is 1, the unicast address is used as a return address, and the node with the return address is used for sending a data packet to the node.
Optionally, the unicast address has an address prefix, the length of which is the decimal value that makes up the address prefix.
The invention has the following beneficial effects:
1. the present invention is a unicast address and unicast addressing scheme based on a new address type for sending data packets to any one of a group of nodes.
2. The technical scheme expands the unicast address capacity and increases the unicast address length to 232 bits so as to support more unicast address hierarchies, more addressable nodes and simpler automatic unicast address configuration.
3. The method adds the identification country code, the area code, the operator code, the unified credit code or the national institution code or the personal identification number which are uniformly gathered in the unicast address, adds a new identifier in the original unicast address, and realizes more unicast address information.
4. The method realizes the comprehensive address distinguishing function by binding the unicast address with individuals, companies and countries one by one.
5. The patent distinguishes 7 fields of the unicast address through { }, has a clear structure, has an obvious marking function, and is more favorable for docking in the unicast address resolution process.
Based on the same inventive concept, the invention also provides an internet, wherein the internet is addressed by any one of the network unicast addressing methods and transmits data packets.
The beneficial effect of the internet provided by the invention is similar to that of the network unicast addressing method in the reasoning process, and the reasoning process is not repeated herein.
These features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention. The best mode or means of the present invention will be described in detail, but the present invention is not limited thereto. In addition, each of these features, elements and components appearing hereinafter is a plurality and different symbols or numerals are labeled for convenience of representation, but all represent components of the same or similar construction or function.
Detailed Description
The technical solutions of the embodiments of the present invention are explained and illustrated below, but the following embodiments are only preferred embodiments of the present invention, and not all of them. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without creative efforts, which all belong to the protection scope of the present invention.
Reference in the specification to "one embodiment" or "an example" means that a particular feature, structure or characteristic described in connection with the embodiment itself may be included in at least one embodiment of the patent disclosure. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment.
Example one
The embodiment provides a network unicast addressing method. The network in this embodiment includes a link, a node, and an interface connecting the node to the link, and the network unicast addressing method provided in this embodiment includes the following steps:
the unicast addresses of the network are assigned to the respective interfaces. A unicast address belonging to a single interface, each interface belonging to a single node, a node having multiple interfaces, any one of whose unicast addresses may serve as an identifier for that node. The node's inside can be fully aware of the unicast address, one unicast address implies a routing node path to reach this unicast address.
The unicast address is an address aggregated by using a continuous bit mask, has 232 bits and is divided into 7 segments, wherein the 1 st segment is the 1 st to 8 th bits and represents a type prefix, when the 8 th bit in the type prefix is 1, the address type is an aggregatable global unicast address, when the address type is an aggregatable global unicast address, the 2 nd segment forming the unicast address is used for distinguishing and aggregating different country regions, and the 3 rd segment forming the unicast address is used for a single country aggregation management region;
when the 8 th bit in the type prefix is 2, the address type is a link local unicast address, when the address type is the link local unicast address, the 2 nd to 5 th sections of the unicast address are 0, the 6 th section only uses the last 32 bits, and the other bits of the 6 th section are 0; all interfaces need to have at least one link local unicast address.
When the 8 th bit in the type prefix is 3, the address type is a site local unicast address. When the address type is a site local unicast address, all of the 2 nd to 6 th sections of the unicast address are customized.
The 2 nd section is the 9 th to 16 th digits and indicates the country, the 3 rd section is the 17 th to 32 th digits and indicates the region, the 4 th section is the 33 th to 40 th digits and indicates the top level operator, and the 5 th section is the 41 th to 56 th digits and indicates the operator definition, which is defined by the top level operator. Segment 6 is 57 th bit to 200 th bit, which represent user ID, and segment 7 is 201 th bit to 232 th bit, which represent interface address; when the 7 segments forming the unicast address are all 0, the unicast address is taken as a designated address; when the 1 st segment to the 6 th segment of the 7 segments constituting the unicast address are 0 and the 7 th segment is 1, the unicast address is taken as a return address.
The unicast address assigned to each interface has an interface identifier, and when the address type is a link local unicast address or a site local unicast address, the interface identifier is 32 bits in the last 32 th and 7 th sections of the 6 th section of the unicast address, constituting an IEEE EUI-64 format, and when the u position of the IEEE EUI-64 is 0, the interface identifier has a meaning of a local scope, and when the u position of the IEEE EUI-64 is 1, the interface identifier has a meaning of a global scope. The motivation for using the u-position when forming interface identifiers is to facilitate the system administrator to manually configure a locally scoped interface identifier when a hardware token is not available, i.e., in case of a serial link, tunnel endpoint, etc. The interface identifier should be unique on its link, possibly to a wide extent, and in many cases one interface identifier is the same as the link layer address of its interface, the same interface identifier can be used on multiple interfaces on a single node, the global uniqueness of the interface identifier is not affected by the same interface identifier on multiple interfaces of a single node, or the global uniqueness of each unicast address is created by the interface identifier.
Of the 7 segments constituting the unicast address, the 1 st to 5 th segments and the 7 th segment are decimal values, the 6 th segment is a character string value, and each segment is separated by a one-sided brace symbol, for example, the unicast address is: a { b { c { d { f { g, where a, b, c, d, e are decimal values and f is a string value of a 144-bit address field, which may include numbers and upper and lower case english letters, representing a user ID, which may be a institution, company, natural person, etc. The unicast address has an address prefix, the length of which is the decimal value that makes up the address prefix.
In assigning unicast addresses, if an address contains a long string of 0 bits, then using "{ }" indicates that there are multiple sets of 0 values. The nodes receive and transmit data packets according to the unicast addresses of the interfaces, and the nodes with the return addresses are used for sending the data packets to the nodes. The return address is not assigned to any logistics interface.
For example:
0{0{0{0{0{0{1: return address, which may be denoted as {6} 1;
0{0{0{0{0{0{0: the address is not indicated and may be denoted as 7.
Unspecified addresses cannot be allocated to any node, one application of unspecified addresses is that, when a host is initialized, it can be added to the source address field of a transmitted packet before the host does not get its own address. The destination address cannot be used in the packet or in the routing header of the network for the specified address.
Example two
The embodiment provides an internet, and the internet provided by the embodiment is addressed by the network unicast addressing method described in the first embodiment, and transmits a data packet.
The above are merely specific embodiments of the present invention, but the scope of the present invention is not limited thereto. It will be appreciated by those skilled in the art that the present invention includes, but is not limited to, those described in the foregoing detailed description. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (8)
1. A network unicast addressing method, characterized by: the network comprises links, nodes and interfaces for connecting the nodes to the links, and the unicast addressing method for the network comprises the following steps:
distributing the unicast address of the network to each interface, and receiving and transmitting data packets by the node according to the unicast address of each interface; wherein the unicast address is an address aggregated using a continuous bit mask, and the unicast addresses assigned to the respective interfaces have interface identifiers.
2. The network unicast addressing method according to claim 1, characterized in that, the unicast address has 232 bits and is divided into 7 segments, wherein, the 1 st segment is 1 st to 8 th bits and represents type prefix, the 2 nd segment is 9 nd to 16 th bits and represents country, the 3 rd segment is 17 rd to 32 th bits and represents region, the 4 th segment is 33 th to 40 th bits and represents top level operator, the 5 th segment is 41 th to 56 th bits and represents operator definition, the 6 th segment is 57 th to 200 th bits and represents user ID, the 7 th segment is 201 th to 232 th bits and represents interface address;
when the 8 th bit in the type prefix is 1, the address type is an aggregatable global unicast address, when the 8 th bit in the type prefix is 2, the address type is a link local unicast address, and when the 8 th bit in the type prefix is 3, the address type is a site local unicast address.
3. The network unicast addressing method according to claim 2, characterized in that, when the address type is aggregatable global unicast address, the 2 nd segment constituting the unicast address is used for differentiating and aggregating different country regions, and the 3 rd segment constituting the unicast address is used for a single country aggregation management region;
when the address type is a link local unicast address, the 2 nd to 5 th sections of the unicast address are 0, the 6 th section uses only the last 32 bits, and the other bits of the 6 th section are 0;
when the address type is a site local unicast address, all of the 2 nd to 6 th sections of the unicast address are customized.
4. The network unicast addressing method according to claim 1, characterized in that, when the address type is the link local unicast address or the station local unicast address, the interface identifier is the last 32 bits of the 6 th segment and the 32 th bits of the 7 th segment of the unicast address, constituting the IEEE EUI-64 format, and when the u position of the IEEE EUI-64 is 0, the interface identifier has a meaning of local scope, and when the u position of the IEEE EUI-64 is 1, the interface identifier has a meaning of global scope.
5. The method of any of claims 1 to 4, wherein 7 segments comprising the unicast address, the 1 st to 5 th segments and the 7 th segment are decimal values, the 6 th segment is a string value, and each segment is separated by a one-sided brace symbol.
6. The network unicast addressing method according to one of claims 1 to 4, characterized in that, when the 7 segments constituting the unicast address are all 0, the unicast address is taken as a designated address; when the 1 st segment to the 6 th segment in the 7 segments forming the unicast address are 0 and the 7 th segment is 1, the unicast address is used as a return address, and the node with the return address is used for sending the data packet to the node.
7. Method for network unicast addressing according to one of the claims 1 to 4, characterized in that the unicast address has an address prefix, the length of which is the decimal value that constitutes the address prefix.
8. An internet addressed by the network unicast addressing method of any one of claims 1 to 7, for transmitting data packets.
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