WO2008127736A2 - Methods and systems for delivering docsis services over heterogeneous access networks - Google Patents
Methods and systems for delivering docsis services over heterogeneous access networks Download PDFInfo
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- WO2008127736A2 WO2008127736A2 PCT/US2008/004878 US2008004878W WO2008127736A2 WO 2008127736 A2 WO2008127736 A2 WO 2008127736A2 US 2008004878 W US2008004878 W US 2008004878W WO 2008127736 A2 WO2008127736 A2 WO 2008127736A2
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- Prior art keywords
- docsis
- access
- adaptation layer
- protocol adaptation
- access network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2801—Broadband local area networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
Definitions
- Embodiments of the invention relate generally to the field of delivering data over cable service interface specification services over heterogeneous access network(s). More particularly, an embodiment of the invention relates to methods and systems for inserting protocol adaptation layers into access equipment to translate data over cable service interface specification services control messages to the corresponding messages in the other (multiple) heterogeneous access specif ication(s).
- DOCSIS Data Over Cable Service Interface Specification
- HFC hybrid fiber coaxial
- DOCSIS defines the communications and operation support interface requirements for a data over cable system. It permits the addition of high-speed data transfer to an existing coaxial cable system. It is employed by most cable television operators to provide Internet access over their existing HFC infrastructure using cable modems.
- the first DOCSIS specification was version 1.0, issued in March of 1997. Since then, it gained worldwide acceptance and is ubiquitously deployed by cable operators around the world. It becomes the most popular subscriber and network management platform for residential and commercial broadband services over cable modems.
- DOCSIS is only defined for cable modems over HFC systems and is not applicable when operators expand its coverage into alternative access networks, such as fiber and wireless. What is needed is an approach that expands DOCSIS into alternative (heterogeneous) access network(s).
- a method of expanding DOCSIS into an alternative access network comprises deploying a protocol adaptation layer in access equipment to translate DOCSIS control messages to corresponding messages in the alternative access network.
- a system for expanding DOCSIS into an alternative access network comprises a protocol adaptation layer in access equipment to translate DOCSIS control messages to corresponding messages in the alternative access network.
- FIG. 1 is a block schematic view of a conventional, basic DOCSIS reference architecture, appropriately labeled "PRIOR ART.”
- FIG. 2 is a block schematic view of a multi-Access DOCSIS reference architecture, representing an embodiment of the invention.
- FIG. 3 is a block schematic view of a multi-access DOCSIS service architecture, representing an embodiment of the invention.
- FIG. 4 is a block schematic view of a conventional DOCSIS protocol stack, appropriately labeled "PRIOR ART.”
- FIG. 5 is a block schematic view of a single DOCSIS protocol adaptation layer where access can be PON (BPON, EPON, GPON), Wireless (WiFi, WiMax, Proprietary), or Non- DOCSIS cable modem, representing an embodiment of the invention.
- PON BPON, EPON, GPON
- Wireless WiMax, Proprietary
- Non- DOCSIS cable modem representing an embodiment of the invention.
- FIG. 6 is a block schematic view of a double DOCSIS protocol adaptation layer where access can be PON (BPON, EPON, GPON), Wireless (WiFi, WiMax, Proprietary), and/or Non-DOCSIS cable modem, representing an embodiment of the invention.
- FIG. 7 is a block schematic view of an implementation of a single DOCSIS protocol adaptation layer, representing an embodiment of the invention.
- FIG. 8. is a block schematic view of an implementation of a double DOCSIS protocol adaptation layer, representing an embodiment of the invention
- the same DOCSIS broadband services can be offered over cable and non-cable access networks.
- DOCSIS back office system subscriber management system, network management system, security system, performance and fault monitoring system
- DOCSIS back office system can be used to manage equipment and devices developed for different access specifications.
- the invention can include a method and system for delivering DOCSIS broadband cable network.
- Customer premise equipment 215 is coupled to the Non-DOCSIS CM 210.
- Optical line terminal 220 is coupled to the generic regional IP network.
- Optical line terminal 220 is also coupled to the subscriber management system and the security & access controller.
- Passive optical network 225 is coupled to the optical line terminal 220.
- Optical network terminal 230 is coupled to the passive optical network 225.
- Customer premise equipment 235 is coupled to the optical network terminal 230.
- Wireless modem termination system 240 is coupled to the generic regional IP network.
- Wireless modem termination system 240 is also coupled to the subscriber management system and the security & access controller.
- Wireless network 245 is coupled to the the wireless modem termination system 240.
- Wireless modem 250 is coupled to the wireless network 245.
- Customer premise equipment 255 is coupled to the wireless modem 250.
- Figure 3 displays the architecture of a Multi-Access DOCSIS Services platform. It illustrates how a range of broadband services from residential broadband services to commercial circuit-switched services, can be offered using DOCSIS over different access networks from PON to wireless. It is a major advantage of the invention that a single back office system can be used to manage these services simultaneously over different physical media.
- this embodiment of the invention includes a services layer, a DOCSIS back office layer and an access networks layer.
- the services layer includes residential broadband services 302; video 304; voice over IP 306; commercial data services 308; and commercial circuit switched services 310.
- the DOCSIS back office layer includes DOCSIS subscriber management system 312; DOCSIS network management system 314; DOCSIS security system 316; and DOCSIS performance and fault monitoring system 318.
- the access networks layer includes PON (BPON, EPON, GPON) 322; DOCSIS MAC & PHY 324; Non-DOCSIS cable MAC & PHY 326; and wireless 328.
- Figure 4 shows the protocol stack defined by DOCSIS, appropriately labeled prior art.
- the interfaces are only defined for HFC access networks.
- Figure 5 illustrates the use of single protocol adaptation layers at Access Modem Termination System (AMTS) and Access Modem (AM) to translate DOCSIS control messages for other access specifications. Still referring to Figure 5, the access modem termination system stack includes a
- the DOCSIS-AMTS adaptation layer 505 includes an AMTS DOCSIS-to-access protocol translator 510 and an AMTS access-to-DOCSIS protocol translator 515.
- the access modem termination system stack also includes access security 525, access MAC 530 and access PHY 535 that are coupled to access networks 540.
- the access modem stack includes a DOCSIS-AM adaptation layer 545.
- the DOCSIS-AM adaptation layer 545 includes an AM DOCSIS-to-access protocol translator 550 and an AM access-to-DOCSIS protocol translator 555.
- the access modem stack also includes access security 560, access MAC 565 and access PHY 570 that are coupled to access networks 540.
- the access modem termination system stack includes a DOCSIS-AMTS adaptation layer 605.
- the DOCSIS- AMTS adaptation layer 605 includes an AMTS DOCSIS-to-access protocol translator 610; an AMTS access-to-DOCSIS protocol translator 615; an AM DOCSIS-to-access protocol translator 650 and an AM access-to-DOCSIS protocol translator 655.
- the access modem termination system stack also includes access security 625, access MAC 630 and access PHY 635 that are coupled to access networks 640.
- the access modem stack also includes access security 660, access MAC 665 and access PHY 670 that are coupled to access networks 640.
- Figure 7 demonstrates the implementation of single adaptation layers at AMTS and
- the DOCSIS-AMTS adaptation layer implemented in AMTS 710 includes DOCSIS-AMTS SNMP agent 720; DOCSIS-AMTS security agent 730; and DOCSIS-AMTS configuration manager 740.
- the DOCSIS-AM adaptation layer implemented in AM 750 includes DOCSIS-AM SNMP agent 760; DOCSIS-AM security agent 770; and DOCSIS-AM configuration manager 780.
- Figure 8 demonstrates the implementation of double adaptation layers at AMTS to facilitate the complete DOCSIS translation.
- the DOCSIS- AMTS-AM adaptation layer (implemented in AMTS only) includes an AM-DOCSIS IP address manager 830 and an AM-DOCSIS security agent 840.
- the DOCSIS-AMTS-AM adaptation layer (implemented in AMTS only) includes an AM-DOCSIS SNMP proxy agent 850 and an access modem configuration and parameter table 860.
- program and/or the phrase computer program are intended to mean a sequence of instructions designed for execution on a computer system (e.g., a program and/or computer program, may include a subroutine, a function, a procedure, an object method, an object implementation, an executable application, an applet, a servlet, a source code, an object code, a shared library/dynamic load library and/or other sequence of instructions designed for execution on a computer or computer system).
- the term substantially is intended to mean largely but not necessarily wholly that which is specified.
- the term approximately is intended to mean at least close to a given value (e.g., within 10% of).
- the term generally is intended to mean at least approaching a given state.
- Coupled is intended to mean connected, although not necessarily directly, and not necessarily mechanically.
- proximate as used herein, is intended to mean close, near adjacent and/or coincident; and includes spatial situations where specified functions and/or results (if any) can be carried out and/or achieved.
- distal as used herein, is intended to mean far, away, spaced apart from and/or non-coincident, and includes spatial situation where specified functions and/or results (if any) can be carried out and/or achieved.
- the term deploying is intended to mean designing, building, shipping, installing and/or operating.
- the terms first or one, and the phrases at least a first or at least one, are intended to mean the singular or the plural unless it is clear from the intrinsic text of this document that it is meant otherwise.
- the terms second or another, and the phrases at least a second or at least another, are intended to mean the singular or the plural unless it is clear from the intrinsic text of this document that it is meant otherwise.
- the terms a and/or an are employed for grammatical style and merely for convenience.
- the term plurality is intended to mean two or more than two.
- the term any is intended to mean all applicable members of a set or at least a subset of all applicable members of the set.
- the term means, when followed by the term “for” is intended to mean hardware, firmware and/or software for achieving a result.
- the term step, when followed by the term “for” is intended to mean a (sub)method, (sub)process and/or (sub)routine for achieving the recited result.
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Abstract
Methods and systems are described for inserting protocol adaptation layers into access equipment to translate data over cable service interface specification services control messages to the corresponding messages in the other (multiple) heterogeneous access specification(s). A method of expanding DOCSIS into an alternative access network includes deploying a protocol adaptation layer in access equipment to translate DOCSIS control messages to corresponding messages in the alternative access network.
Description
DESCRIPTION:
Methods and Systems for Delivering DOCSIS Services
Over Heterogeneous Access Networks
BACKGROUND INFORMATION
Field of the Invention
Embodiments of the invention relate generally to the field of delivering data over cable service interface specification services over heterogeneous access network(s). More particularly, an embodiment of the invention relates to methods and systems for inserting protocol adaptation layers into access equipment to translate data over cable service interface specification services control messages to the corresponding messages in the other (multiple) heterogeneous access specif ication(s).
Discussion of the Related Art
Data Over Cable Service Interface Specification (DOCSIS) is an international standard developed by Cable Television Laboratories, lnc (CableLabs®) and has made delivery of broadband services over hybrid fiber coaxial (HFC) cable television systems using cable modems possible. Internet access, video on demand movies, telephony, telephony over the Internet, interactive games and a host of other applications are being offered based on the DOCSIS architecture.
DOCSIS defines the communications and operation support interface requirements for a data over cable system. It permits the addition of high-speed data transfer to an existing coaxial cable system. It is employed by most cable television operators to provide Internet access over their existing HFC infrastructure using cable modems. The first DOCSIS specification was version 1.0, issued in March of 1997. Since then, it gained worldwide acceptance and is ubiquitously deployed by cable operators around the world. It
becomes the most popular subscriber and network management platform for residential and commercial broadband services over cable modems.
However, DOCSIS is only defined for cable modems over HFC systems and is not applicable when operators expand its coverage into alternative access networks, such as fiber and wireless. What is needed is an approach that expands DOCSIS into alternative (heterogeneous) access network(s).
SUMMARY OF THE INVENTION
There is a need for the following embodiments of the invention. Of course, the invention is not limited to these embodiments.
According to an embodiment of the invention, a method of expanding DOCSIS into an alternative access network, comprises deploying a protocol adaptation layer in access equipment to translate DOCSIS control messages to corresponding messages in the alternative access network. According to another embodiment of the invention, a system for expanding DOCSIS into an alternative access network, comprises a protocol adaptation layer in access equipment to translate DOCSIS control messages to corresponding messages in the alternative access network.
These, and other, embodiments of the invention will be better appreciated and understood when considered in conjunction with the following description and the accompanying drawings. It should be understood, however, that the following description, while indicating various embodiments of the invention and numerous specific details thereof, is given for the purpose of illustration and does not imply limitation. Many substitutions, modifications, additions and/or rearrangements may be made within the scope of an embodiment of the invention without departing from the spirit thereof, and embodiments of the invention include all such substitutions, modifications, additions and/or rearrangements.
BRIEF DESCRIPTION OF THE DRAWINGS
The drawings accompanying and forming part of this specification are included to depict certain embodiments of the invention. A clearer concept of embodiments of the invention, and of components combinable with embodiments of the invention, and operation of systems provided with embodiments of the invention, will be readily apparent by referring to the exemplary, and therefore nonlimiting, embodiments illustrated in the drawings (wherein identical reference numerals (if they occur in more than one view) designate the same elements). Embodiments of the invention may be better understood by reference to one or more of these drawings in combination with the following description presented herein. It should be noted that the features illustrated in the drawings are not necessarily drawn to scale.
FIG. 1 is a block schematic view of a conventional, basic DOCSIS reference architecture, appropriately labeled "PRIOR ART."
FIG. 2 is a block schematic view of a multi-Access DOCSIS reference architecture, representing an embodiment of the invention.
FIG. 3 is a block schematic view of a multi-access DOCSIS service architecture, representing an embodiment of the invention.
FIG. 4 is a block schematic view of a conventional DOCSIS protocol stack, appropriately labeled "PRIOR ART."
FIG. 5 is a block schematic view of a single DOCSIS protocol adaptation layer where access can be PON (BPON, EPON, GPON), Wireless (WiFi, WiMax, Proprietary), or Non- DOCSIS cable modem, representing an embodiment of the invention.
FIG. 6 is a block schematic view of a double DOCSIS protocol adaptation layer where access can be PON (BPON, EPON, GPON), Wireless (WiFi, WiMax, Proprietary), and/or Non-DOCSIS cable modem, representing an embodiment of the invention.
FIG. 7 is a block schematic view of an implementation of a single DOCSIS protocol adaptation layer, representing an embodiment of the invention.
FIG. 8. is a block schematic view of an implementation of a double DOCSIS protocol adaptation layer, representing an embodiment of the invention
DESCRIPTION OF PREFERRED EMBODIMENTS
Embodiments of the invention and the various features and advantageous details thereof are explained more fully with reference to the nonlimiting embodiments that are illustrated in the accompanying drawings and detailed in the following description. Descriptions of well known starting materials, processing techniques, components and equipment are omitted so as not to unnecessarily obscure the embodiments of the invention in detail. It should be understood, however, that the detailed description and the specific examples, while indicating preferred embodiments of the invention, are given by way of illustration only and not by way of limitation. Various substitutions, modifications, additions and/or rearrangements within the spirit and/or scope of the underlying inventive concept will become apparent to those skilled in the art from this disclosure.
One solution to solve the problem of expanding DOCSIS into alternative (heterogeneous) access network(s)s to insert protocol adaptation layers in the access equipment to translate DOCSIS control messages to the corresponding messages in the other access specification(s). Benefits of the invention include at least the following:
1. The same DOCSIS broadband services can be offered over cable and non-cable access networks.
2. DOCSIS back office system (subscriber management system, network management system, security system, performance and fault monitoring system) can be used to manage equipment and devices developed for different access specifications.
The invention can include a method and system for delivering DOCSIS broadband
cable network. Customer premise equipment 215 is coupled to the Non-DOCSIS CM 210. Optical line terminal 220 is coupled to the generic regional IP network. Optical line terminal 220 is also coupled to the subscriber management system and the security & access controller. Passive optical network 225 is coupled to the optical line terminal 220. Optical network terminal 230 is coupled to the passive optical network 225. Customer premise equipment 235 is coupled to the optical network terminal 230. Wireless modem termination system 240 is coupled to the generic regional IP network. Wireless modem termination system 240 is also coupled to the subscriber management system and the security & access controller. Wireless network 245 is coupled to the the wireless modem termination system 240. Wireless modem 250 is coupled to the wireless network 245. Customer premise equipment 255 is coupled to the wireless modem 250.
Figure 3 displays the architecture of a Multi-Access DOCSIS Services platform. It illustrates how a range of broadband services from residential broadband services to commercial circuit-switched services, can be offered using DOCSIS over different access networks from PON to wireless. It is a major advantage of the invention that a single back office system can be used to manage these services simultaneously over different physical media.
Still referring to Figure 3, this embodiment of the invention includes a services layer, a DOCSIS back office layer and an access networks layer. The services layer includes residential broadband services 302; video 304; voice over IP 306; commercial data services 308; and commercial circuit switched services 310. The DOCSIS back office layer includes DOCSIS subscriber management system 312; DOCSIS network management system 314; DOCSIS security system 316; and DOCSIS performance and fault monitoring system 318. The access networks layer includes PON (BPON, EPON, GPON) 322; DOCSIS MAC & PHY 324; Non-DOCSIS cable MAC & PHY 326; and wireless 328.
Figure 4 shows the protocol stack defined by DOCSIS, appropriately labeled prior art. In this current (state-of-the-art) specification, the interfaces are only defined for HFC
access networks.
Figure 5 illustrates the use of single protocol adaptation layers at Access Modem Termination System (AMTS) and Access Modem (AM) to translate DOCSIS control messages for other access specifications. Still referring to Figure 5, the access modem termination system stack includes a
DOCSIS-AMTS adaptation layer 505. The DOCSIS-AMTS adaptation layer 505 includes an AMTS DOCSIS-to-access protocol translator 510 and an AMTS access-to-DOCSIS protocol translator 515. The access modem termination system stack also includes access security 525, access MAC 530 and access PHY 535 that are coupled to access networks 540. The access modem stack includes a DOCSIS-AM adaptation layer 545. The DOCSIS-AM adaptation layer 545 includes an AM DOCSIS-to-access protocol translator 550 and an AM access-to-DOCSIS protocol translator 555. The access modem stack also includes access security 560, access MAC 565 and access PHY 570 that are coupled to access networks 540. Figure 6 illustrates the use of double protocol adaptation layers only at AMTS to facilitate the complete DOCSIS translation. Referring to Figure 6, the access modem termination system stack includes a DOCSIS-AMTS adaptation layer 605. The DOCSIS- AMTS adaptation layer 605 includes an AMTS DOCSIS-to-access protocol translator 610; an AMTS access-to-DOCSIS protocol translator 615; an AM DOCSIS-to-access protocol translator 650 and an AM access-to-DOCSIS protocol translator 655. The access modem termination system stack also includes access security 625, access MAC 630 and access PHY 635 that are coupled to access networks 640. The access modem stack also includes access security 660, access MAC 665 and access PHY 670 that are coupled to access networks 640. Figure 7 demonstrates the implementation of single adaptation layers at AMTS and
AM to facilitate the translation of DOCSIS control messages. The DOCSIS-AMTS adaptation layer implemented in AMTS 710 includes DOCSIS-AMTS SNMP agent 720;
DOCSIS-AMTS security agent 730; and DOCSIS-AMTS configuration manager 740. The DOCSIS-AM adaptation layer implemented in AM 750 includes DOCSIS-AM SNMP agent 760; DOCSIS-AM security agent 770; and DOCSIS-AM configuration manager 780.
Figure 8 demonstrates the implementation of double adaptation layers at AMTS to facilitate the complete DOCSIS translation. The DOCSIS-AMTS-AM adaptation layer
(implemented in AMTS only) includes an AMTS-DOCSIS SNMP agent 810 and an AMTS- DOCSIS security agent 820, which communicate like a DOCSIS CMTS. The DOCSIS- AMTS-AM adaptation layer (implemented in AMTS only) includes an AM-DOCSIS IP address manager 830 and an AM-DOCSIS security agent 840. The DOCSIS-AMTS-AM adaptation layer (implemented in AMTS only) includes an AM-DOCSIS SNMP proxy agent 850 and an access modem configuration and parameter table 860.
Definitions
The term program and/or the phrase computer program are intended to mean a sequence of instructions designed for execution on a computer system (e.g., a program and/or computer program, may include a subroutine, a function, a procedure, an object method, an object implementation, an executable application, an applet, a servlet, a source code, an object code, a shared library/dynamic load library and/or other sequence of instructions designed for execution on a computer or computer system). The term substantially is intended to mean largely but not necessarily wholly that which is specified. The term approximately is intended to mean at least close to a given value (e.g., within 10% of). The term generally is intended to mean at least approaching a given state. The term coupled is intended to mean connected, although not necessarily directly, and not necessarily mechanically. The term proximate, as used herein, is intended to mean close, near adjacent and/or coincident; and includes spatial situations where specified functions and/or results (if any) can be carried out and/or achieved. The term distal, as used herein, is intended to mean far, away, spaced apart from and/or non-coincident, and includes spatial situation where specified functions and/or results (if any) can be carried out and/or achieved.
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The term deploying is intended to mean designing, building, shipping, installing and/or operating.
The terms first or one, and the phrases at least a first or at least one, are intended to mean the singular or the plural unless it is clear from the intrinsic text of this document that it is meant otherwise. The terms second or another, and the phrases at least a second or at least another, are intended to mean the singular or the plural unless it is clear from the intrinsic text of this document that it is meant otherwise. Unless expressly stated to the contrary in the intrinsic text of this document, the term or is intended to mean an inclusive or and not an exclusive or. Specifically, a condition A or B is satisfied by any one of the following: A is true (or present) and B is false (or not present), A is false (or not present) and B is true (or present), and both A and B are true (or present). The terms a and/or an are employed for grammatical style and merely for convenience.
The term plurality is intended to mean two or more than two. The term any is intended to mean all applicable members of a set or at least a subset of all applicable members of the set. The term means, when followed by the term "for" is intended to mean hardware, firmware and/or software for achieving a result. The term step, when followed by the term "for" is intended to mean a (sub)method, (sub)process and/or (sub)routine for achieving the recited result.
The terms "comprises," "comprising," "includes," "including," "has," "having" or any other variation thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "consisting" (consists, consisted) and/or "composing" (composes, composed) are intended to mean closed language that does not leave the recited method, apparatus or composition to the inclusion of procedures, structure(s) and/or ingredient(s) other than those recited except for
ancillaries, adjuncts and/or impurities ordinarily associated therewith. The recital of the term "essentially" along with the term "consisting" (consists, consisted) and/or "composing" (composes, composed), is intended to mean modified close language that leaves the recited method, apparatus and/or composition open only for the inclusion of unspecified procedure(s), structure(s) and/or ingredient(s) which do not materially affect the basic novel characteristics of the recited method, apparatus and/or composition.
Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the present specification, including definitions, will control.
Conclusion
The described embodiments and examples are illustrative only and not intended to be limiting. Although embodiments of the invention can be implemented separately, embodiments of the invention may be integrated into the system(s) with which they are associated. All the embodiments of the invention disclosed herein can be made and used without undue experimentation in light of the disclosure. Although the best mode of the invention contemplated by the inventors is disclosed, embodiments of the invention are not limited thereto. Embodiments of the invention are not limited by theoretical statements (if any) recited herein. The individual steps of embodiments of the invention need not be performed in the disclosed manner, or combined in the disclosed sequences, but may be performed in any and all manner and/or combined in any and all sequences. The individual components of embodiments of the invention need not be combined in the disclosed configurations, but could be combined in any and all configurations.
Various substitutions, modifications, additions and/or rearrangements of the features of embodiments of the invention may be made without deviating from the spirit and/or scope of the underlying inventive concept. All the disclosed elements and features of each
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disclosed embodiment can be combined with, or substituted for, the disclosed elements and features of every other disclosed embodiment except where such elements or features are mutually exclusive. The spirit and/or scope of the underlying inventive concept as defined by the appended claims and their equivalents cover all such substitutions, modifications, additions and/or rearrangements.
The appended claims are not to be interpreted as including means-plus-function limitations, unless such a limitation is explicitly recited in a given claim using the phrase(s) "means for" and/or "step for." Subgeneric embodiments of the invention are delineated by the appended independent claims and their equivalents. Specific embodiments of the invention are differentiated by the appended dependent claims and their equivalents.
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REFERENCES 1. Data-Over-Cable Service Interface Specifications, Cable Modem to Customer
Premises Equipment Interface Specification, SP-CMCI-110-050408 2. Data-Over-Cable Service Interface Specifications, Cable Modem Termination
System Network Side Interface Specification, SP-CMTS-NSI-101 -960702
3. Data-Over-Cable Service Interface Specifications, Operations Support System Interface Specification, SP-OSSI IV2.0-I09-050812
4. Data-Over-Cable Service Interface Specifications, Radio Frequency Interface Specification, SP-RFIv2.0-l 10-051209
5. Data-Over-Cable Service Interface Specifications, Baseline Privacy Plus Interface Specification, CM-SP-BPI+-112-050801
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Claims
1. A method of expanding DOCSIS into an alternative access network, comprising deploying a protocol adaptation layer in access equipment to translate DOCSIS control messages to corresponding messages in the alternative access network.
2. The method of claim 1 , wherein the protocol adaptation layer is a single DOCSIS protocol adaptation layer.
3. The method of claim 1 , wherein the protocol adaptation layer is a double DOCSIS protocol adaptation layer.
4. The method of claim 1 , further comprising translating DOCSIS control messages to corresponding messages in another alternative access network.
5. The method of claim 4, wherein the alternative access network and the another alternative access network are heterogeneous.
6. A system for expanding DOCSIS into an alternative access network, comprising a protocol adaptation layer in access equipment to translate DOCSIS control messages to corresponding messages in the alternative access network.
7. The system of claim 6, wherein the protocol adaptation layer is a single DOCSIS protocol adaptation layer.
8. The system of claim 6, wherein the protocol adaptation layer is a double DOCSIS protocol adaptation layer.
9. The system of claim 6, wherein the protocol adaptation layer translates DOCSIS
13 control messages to corresponding messages in another alternative access network.
10. The system of claim 6, wherein the alternative access network and the another alternative access network are heterogeneous.
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Priority Applications (2)
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CA2683773A CA2683773C (en) | 2007-04-13 | 2008-04-14 | Methods and systems for delivering docsis services over heterogeneous access networks |
EP08742929A EP2135389A2 (en) | 2007-04-13 | 2008-04-14 | Methods and systems for delivering docsis services over heterogeneous access networks |
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US92328407P | 2007-04-13 | 2007-04-13 | |
US60/923,284 | 2007-04-13 |
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US8391308B2 (en) * | 2009-09-23 | 2013-03-05 | Hitachi Communication Technologies, Inc. | Docsis pon |
US8489717B2 (en) * | 2009-09-24 | 2013-07-16 | Hitachi, Ltd. | Accelerated cable modem restart service |
US8804533B2 (en) * | 2010-12-28 | 2014-08-12 | Broadcom Corporation | Techniques for Wi-Fi acceleration in residential gateways |
CN102624560B (en) * | 2012-03-12 | 2016-06-29 | 深圳市天威视讯股份有限公司 | A kind of distributed deployment, centerized fusion CATV broadband access system |
US9225426B2 (en) * | 2013-01-16 | 2015-12-29 | Maxlinear, Inc. | Advanced fiber node |
US10326889B2 (en) | 2016-06-21 | 2019-06-18 | At&T Mobility Ii Llc | Method and apparatus for distributing content via a wireless communication network |
CA3169532C (en) * | 2022-03-23 | 2023-08-15 | Aleksandar Milojkovic | Systems and methods for combination telecommunications and power networks |
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US20060271988A1 (en) | 2005-05-20 | 2006-11-30 | Chapman John T | Method and apparatus for using data-over-cable applications and services in non-cable environments |
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US20090044240A1 (en) | 2009-02-12 |
US8239907B2 (en) | 2012-08-07 |
WO2008127736A3 (en) | 2008-12-11 |
CA2683773A1 (en) | 2008-10-23 |
CA2683773C (en) | 2014-05-20 |
EP2135389A2 (en) | 2009-12-23 |
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