WO2014189354A1 - Method and system for performing a bulk reboot operation in a group of relay access points - Google Patents

Method and system for performing a bulk reboot operation in a group of relay access points Download PDF

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Publication number
WO2014189354A1
WO2014189354A1 PCT/MY2014/000062 MY2014000062W WO2014189354A1 WO 2014189354 A1 WO2014189354 A1 WO 2014189354A1 MY 2014000062 W MY2014000062 W MY 2014000062W WO 2014189354 A1 WO2014189354 A1 WO 2014189354A1
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WO
WIPO (PCT)
Prior art keywords
relay access
access point
access points
low level
relay
Prior art date
Application number
PCT/MY2014/000062
Other languages
French (fr)
Inventor
Dahlia Binti DIN
Chin Wee WONG
Original Assignee
Mimos Berhad
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from MYPI2013700821A external-priority patent/MY171240A/en
Application filed by Mimos Berhad filed Critical Mimos Berhad
Publication of WO2014189354A1 publication Critical patent/WO2014189354A1/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates
    • G06F8/656—Updates while running
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/4401—Bootstrapping
    • G06F9/442—Shutdown
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations

Definitions

  • the present invention relates generally to a reboot operation, and more particularly, to a bulk reboot operation in a group of relay access points.
  • a bulk reboot operation is normally performed on a group of identical or similar electronic devices such as computers, modems, routers, access points, or relay access points that are wirelessly linked to each other in a wireless network environment, which may carry out identical or similar functions.
  • the bulk reboot operation is necessary and required to be implemented in order to effectuate changes made to the electronic devices, which may include firmware upgrade, software upgrade, restoring settings to factory default settings, changes in configurations settings, etc.
  • This particular document pertains to a bulk reboot operation on a group of relay access points within a wireless network environment.
  • a relay access point is an access point that relays data from a primary access point to end user devices, and is typically utilized for the purpose of expanding wireless coverage.
  • the bulk reboot operation is managed and initiated by a network management system that resides in an operation center.
  • Reboot commands will be sent in a bulk manner to every relay access points within the group, instructing the relay access points to reboot themselves.
  • the devices in the upper level will receive the reboot commands earlier than the devices in the lower level.
  • the devices in the upper level will proceed to reboot themselves upon receiving the reboot commands, causing them to be disconnected from the devices in the lower level. Consequently, this results in failure of receiving the reboot commands by the devices in the lower level, and thus the bulk reboot operation is carried out unsuccessfully.
  • a first and a second aspects of the present invention are directed to a method and a system, respectively, for performing a bulk reboot operation in a group of relay access points within a wireless network environment, which comprises a plurality of wireless clients including the group of relay access points, at least one operation center having a network management system residing within it for managing the wireless network including sending a reboot command to each relay access point within the group of relay access points, and at least one primary access point for bridging the communications between the operation center, the Internet, and the wireless clients including the group of relay access points.
  • the method and the system of the present invention allow and ensure all relay access points within the group of relay access points to reboot successfully upon receiving the reboot command from the network management system of the operation center, regardless of the time difference in receiving the reboot command by one relay access point and by another relay access point.
  • the bulk reboot operation is normally carried out to effectuate changes made to the relay access points. Those changes may include firmware upgrade, software upgrade, restoring settings to factory default settings, changes in configurations settings, etc.
  • the method and the system of the present invention work by allowing the relay access points to reboot in order of lowest to highest level. In other words, the relay access points at the lowest level are allowed to reboot first, follow by the relay access points that are connected to and directly a level above the lowest level relay access points, and so on, until the highest level relay access points are rebooted.
  • the operation center sends out the reboot commands to every relay access points in the group of relay access points via its network management system at complete or near simultaneous.
  • the relay access point does not proceed to reboot itself immediately when it receives the reboot command.
  • the relay access point prevents itself from rebooting, and prevents new wireless clients including new relay access points from establishing new connections with it.
  • the relay access point identifies low level relay access points from low level wireless clients that are connected to and directly a level below it. Thereafter, the relay access point allows the identified low level relay access points to reboot first. At that point of rebooting, the low level relay access points will be completely disconnected from the relay access point.
  • the relay access point will continuously check and updates the status of existing connections between the relay access point and the identified low level relay access points, and when it is determined that all the existing connections have ended, the relay access point will then proceed to reboot itself. Additionally, the relay access point will also proceed to reboot itself if the existing connections have timed out.
  • each relay access point within the group of relay access points comprises at least one simple network management protocol (SNMP) for managing the relay access point; at least one connection blocking module to prevent new wireless clients including new relay access points from establishing new connections with it; at least one connection checking module for identifying low level relay access points from low level wireless clients that are connected to and directly a level below the relay access point, and checking and updating the status of existing connections between the relay access point and the identified low level relay access points; and at least one reboot module for rebooting the relay access point upon sensing all existing connections have either ended or timed out.
  • SNMP simple network management protocol
  • Figure 1 is a diagram illustrating the system of the present invention for performing a bulk reboot operation in a group of relay access points within a wireless network environment.
  • a first core aspect and a second core aspect of the present invention relate to a method and a system, respectively, for performing a bulk reboot operation in a group of relay access points within a wireless network environment.
  • the wireless network environment comprises a plurality of wireless clients (104) including the group of relay access points (104a) (104b) (104c), at least one operation center (101 ) having a network management system residing within it for managing the wireless network including sending a reboot command to each relay access point within the group of relay access points (104a) (104b) (104c), and at least one primary access point (103) for bridging the communications between the operation center (101), the Internet (102), and the wireless clients (104) including the group of relay access points (104a) (104b) (104c).
  • the method and the system of the present invention allow and ensure that all the relay access points within the group of relay access points (104a) (104b) (104c) are successfully rebooted upon receiving the reboot command from the network management system of the operation center (101).
  • the relay access point (104a) receives the reboot command earlier than the low level relay access point (104b) that is connected to and directly a level below the relay access point (104a), and thus, theoretically, the relay access point (104a) should carry out the reboot operation earlier than the low level relay access point (104b).
  • This scenario is undesirable because there is a huge possibility that the low level relay access point (104b) does not receive the reboot command, hence the bulk reboot operation is performed unsuccessfully.
  • the method and the system of the present invention work by allowing the relay access points (104a) (104b) (104c) to reboot in order of lowest to highest level.
  • the lower level relay access points (104c) are allowed to reboot first, follow by the low level relay access points (104b) that are connected to and directly a level above the lower level relay access points (104c), and lastly follow by the relay access points (104a) that are connected to and directly a level above the low level relay access points (104b).
  • the operation center (101 ) will send out the reboot commands in bulk to each relay access points within the group of relay access points (104a) (104b) (104c) via its network management system at complete or near simultaneous.
  • the relay access point (104a) receives the reboot command, it will not immediately reboot itself.
  • it (104a) prevent itself from being rebooted, which in turn provides the low level relay access point (104b) that is connected to and directly a level below the relay access point (104a), and the lower level relay access point (104c) that is connected to and directly a level below the low level relay access point (104b) sufficient time to receive the reboot commands.
  • the relay access point (104a) also prevents or blocks new wireless clients (not shown in Figure 1) including new relay access points (now shown in Figure 1) from establishing new connections with it (104a).
  • the relay access point (104a) does so by detecting and saving MAC addresses of all low level wireless clients (104) including the low level relay access points (104b), wherein the low level wireless clients (104) are directly a level below the relay access point (104a), and the low level relay access points ( 04b) are connected to and directly a level below the relay access point (104a).
  • the relay access point (104a) would be able to differentiate the existing low level wireless clients (104) including the existing low level relay access point (104b) from the new wireless clients (104) including the new relay access points by filtering the detected MAC addresses.
  • the MAC addresses can be filtered by using access control list (ACL).
  • the relay access point (104a) will proceed to identify the low level relay access point (104b) from the low level wireless clients (104) that are connected to and directly a level below the relay access point (104a).
  • the relay access point (104a) does so by extracting and obtaining information pertaining to the low level wireless clients (104) including the low level relay access points (104b). With this information, the relay access point (104a) will be able to determine which of the low level wireless clients (104) are actually the low level relay access points (104b).
  • the relay access point (104a) is also capable to identify lower level relay access point (104c) from lower level wireless clients (104), which are connected to and directly a level below the low level relay access point (104b).
  • the relay access point (104a) will allow the identified low level relay access points (104b) that is connected to and directly a level below the relay access point (104a) to reboot first.
  • the low level relay access point (104b) will be disconnected from the relay access point (104a).
  • the relay access point (104a) will continuously check and update all the existing connections between the relay access point (104a) and the identified low level relay access points (104b). Once it is determined and confirmed that all the existing connections have ended, the relay access point (104a) will proceed to reboot itself. In the event that the existing connections have not ended, a time out timer will be initiated. The relay access point (104a) will then proceed to reboot itself when the existing connections have timed out.
  • each relay access point within the group of relay access points (104a) (104b) (104c) comprises at least one simple network management protocol (SNMP) for managing the relay access points (104a) (104b) (104c); at least one connection blocking module to prevent new wireless clients (104) including new relay access points from establishing new connections with it (104a) (104b) (104c); at least one connection checking module for identifying low level relay access points (104b) from low level wireless clients (104) that are connected to and directly a level below the relay access point (104a), and checking and updating the status of existing connections between the relay access point (104a) and the identified low level relay access points (104b); and at least one reboot module for rebooting the relay access point (104a) upon sensing all existing connections have either ended or timed out.
  • SNMP simple network management protocol
  • teachings of the present invention does not limit to three levels of relay access points only.
  • the present invention uses three levels of relay access points as an example, and for the purposes of easy understanding and conveying the teachings of the present invention to the readers.
  • teachings of the present invention can be used to perform bulk reboot operation in a group of relay access points within a wireless network environment that comprises at least one level of relay access points, or more than three levels of relay access points.

Abstract

The present invention relates to a method for performing a bulk reboot operation in a group of relay access points (104a) (104b) (104c) within a wireless network environment. A relay access point (104a) upon receiving a reboot command, which is sent from a network management system residing in an operation center (101 ), will not immediately reboot itself. On the contrary, the relay access point (104a) ensures that low level relay access points (104b), which are wirelessly connected to and directly a level below the relay access point (104a), successfully disconnect from the relay access point (104a) and perform the reboot operation before the relay access point (104a) reboot itself. A system for carrying out the aforesaid is also described herein.

Description

METHOD AND SYSTEM FOR PERFORMING A BULK REBOOT OPERATION IN A GROUP OF RELAY ACCESS POINTS TECHNICAL FIELD OF THE INVENTION
The present invention relates generally to a reboot operation, and more particularly, to a bulk reboot operation in a group of relay access points.
BACKGROUND OF THE INVENTION
A bulk reboot operation is normally performed on a group of identical or similar electronic devices such as computers, modems, routers, access points, or relay access points that are wirelessly linked to each other in a wireless network environment, which may carry out identical or similar functions. The bulk reboot operation is necessary and required to be implemented in order to effectuate changes made to the electronic devices, which may include firmware upgrade, software upgrade, restoring settings to factory default settings, changes in configurations settings, etc. This particular document pertains to a bulk reboot operation on a group of relay access points within a wireless network environment. In general, a relay access point is an access point that relays data from a primary access point to end user devices, and is typically utilized for the purpose of expanding wireless coverage. Usually, the bulk reboot operation is managed and initiated by a network management system that resides in an operation center. Reboot commands will be sent in a bulk manner to every relay access points within the group, instructing the relay access points to reboot themselves. There exists an issue with the aforesaid conventional method. As the reboot commands are sent out in a bulk manner at complete or near simultaneous, the devices in the upper level will receive the reboot commands earlier than the devices in the lower level. As such, the devices in the upper level will proceed to reboot themselves upon receiving the reboot commands, causing them to be disconnected from the devices in the lower level. Consequently, this results in failure of receiving the reboot commands by the devices in the lower level, and thus the bulk reboot operation is carried out unsuccessfully.
In view of the above, it therefore has become the aim of the present invention to solve all the aforementioned technical issue by providing a novel method and system for performing a bulk reboot operation on a group of relay access points within a wireless network environment.
SUMMARY OF THE INVENTION
A first and a second aspects of the present invention are directed to a method and a system, respectively, for performing a bulk reboot operation in a group of relay access points within a wireless network environment, which comprises a plurality of wireless clients including the group of relay access points, at least one operation center having a network management system residing within it for managing the wireless network including sending a reboot command to each relay access point within the group of relay access points, and at least one primary access point for bridging the communications between the operation center, the Internet, and the wireless clients including the group of relay access points.
The method and the system of the present invention allow and ensure all relay access points within the group of relay access points to reboot successfully upon receiving the reboot command from the network management system of the operation center, regardless of the time difference in receiving the reboot command by one relay access point and by another relay access point. The bulk reboot operation is normally carried out to effectuate changes made to the relay access points. Those changes may include firmware upgrade, software upgrade, restoring settings to factory default settings, changes in configurations settings, etc. The method and the system of the present invention work by allowing the relay access points to reboot in order of lowest to highest level. In other words, the relay access points at the lowest level are allowed to reboot first, follow by the relay access points that are connected to and directly a level above the lowest level relay access points, and so on, until the highest level relay access points are rebooted.
Referring now to the method of the present invention, firstly, the operation center sends out the reboot commands to every relay access points in the group of relay access points via its network management system at complete or near simultaneous. The relay access point does not proceed to reboot itself immediately when it receives the reboot command. On the contrary, the relay access point prevents itself from rebooting, and prevents new wireless clients including new relay access points from establishing new connections with it. Subsequently, the relay access point identifies low level relay access points from low level wireless clients that are connected to and directly a level below it. Thereafter, the relay access point allows the identified low level relay access points to reboot first. At that point of rebooting, the low level relay access points will be completely disconnected from the relay access point. The relay access point will continuously check and updates the status of existing connections between the relay access point and the identified low level relay access points, and when it is determined that all the existing connections have ended, the relay access point will then proceed to reboot itself. Additionally, the relay access point will also proceed to reboot itself if the existing connections have timed out.
Referring now to the system of the present invention, each relay access point within the group of relay access points comprises at least one simple network management protocol (SNMP) for managing the relay access point; at least one connection blocking module to prevent new wireless clients including new relay access points from establishing new connections with it; at least one connection checking module for identifying low level relay access points from low level wireless clients that are connected to and directly a level below the relay access point, and checking and updating the status of existing connections between the relay access point and the identified low level relay access points; and at least one reboot module for rebooting the relay access point upon sensing all existing connections have either ended or timed out.
BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 is a diagram illustrating the system of the present invention for performing a bulk reboot operation in a group of relay access points within a wireless network environment.
DETAILED DESCRIPTION OF THE INVENTION
The above mentioned and other features and objects of this invention will become more apparent and better understood by reference to the following detailed description. It should be understood that the detailed description made known below is not intended to be exhaustive or limit the invention to the precise disclosed form as the invention may assume various alternative forms. On the contrary, the detailed description covers all the relevant modifications and alterations made to the present invention, unless the claims expressly state otherwise.
A first core aspect and a second core aspect of the present invention relate to a method and a system, respectively, for performing a bulk reboot operation in a group of relay access points within a wireless network environment.
Referring now to Figure 1 , the wireless network environment comprises a plurality of wireless clients (104) including the group of relay access points (104a) (104b) (104c), at least one operation center (101 ) having a network management system residing within it for managing the wireless network including sending a reboot command to each relay access point within the group of relay access points (104a) (104b) (104c), and at least one primary access point (103) for bridging the communications between the operation center (101), the Internet (102), and the wireless clients (104) including the group of relay access points (104a) (104b) (104c).
The method and the system of the present invention allow and ensure that all the relay access points within the group of relay access points (104a) (104b) (104c) are successfully rebooted upon receiving the reboot command from the network management system of the operation center (101). In conventional method, the relay access point (104a) receives the reboot command earlier than the low level relay access point (104b) that is connected to and directly a level below the relay access point (104a), and thus, theoretically, the relay access point (104a) should carry out the reboot operation earlier than the low level relay access point (104b). This scenario is undesirable because there is a huge possibility that the low level relay access point (104b) does not receive the reboot command, hence the bulk reboot operation is performed unsuccessfully. In another words, most of the low level relay access points would not have rebooted. However, this undesirable scenario does not exist in the present invention. The time difference in receiving the reboot command by one relay access point, for example relay access point (104a), and by another relay access point, for example low level relay access point (104b), is not vital and does not affect the effectiveness of the present invention.
The method and the system of the present invention work by allowing the relay access points (104a) (104b) (104c) to reboot in order of lowest to highest level. In other words, the lower level relay access points (104c) are allowed to reboot first, follow by the low level relay access points (104b) that are connected to and directly a level above the lower level relay access points (104c), and lastly follow by the relay access points (104a) that are connected to and directly a level above the low level relay access points (104b). The method of the present invention will now be thoroughly described with the aid of Figure 1. Firstly, the operation center (101 ) will send out the reboot commands in bulk to each relay access points within the group of relay access points (104a) (104b) (104c) via its network management system at complete or near simultaneous. Once the relay access point (104a) receives the reboot command, it will not immediately reboot itself. On the contrary, it (104a) prevent itself from being rebooted, which in turn provides the low level relay access point (104b) that is connected to and directly a level below the relay access point (104a), and the lower level relay access point (104c) that is connected to and directly a level below the low level relay access point (104b) sufficient time to receive the reboot commands.
Further, the relay access point (104a) also prevents or blocks new wireless clients (not shown in Figure 1) including new relay access points (now shown in Figure 1) from establishing new connections with it (104a). The relay access point (104a) does so by detecting and saving MAC addresses of all low level wireless clients (104) including the low level relay access points (104b), wherein the low level wireless clients (104) are directly a level below the relay access point (104a), and the low level relay access points ( 04b) are connected to and directly a level below the relay access point (104a). With this information, the relay access point (104a) would be able to differentiate the existing low level wireless clients (104) including the existing low level relay access point (104b) from the new wireless clients (104) including the new relay access points by filtering the detected MAC addresses. In one embodiment of the present invention, the MAC addresses can be filtered by using access control list (ACL).
Subsequently, the relay access point (104a) will proceed to identify the low level relay access point (104b) from the low level wireless clients (104) that are connected to and directly a level below the relay access point (104a). The relay access point (104a) does so by extracting and obtaining information pertaining to the low level wireless clients (104) including the low level relay access points (104b). With this information, the relay access point (104a) will be able to determine which of the low level wireless clients (104) are actually the low level relay access points (104b). Apart from the above, the relay access point (104a) is also capable to identify lower level relay access point (104c) from lower level wireless clients (104), which are connected to and directly a level below the low level relay access point (104b). Consequently, the relay access point (104a) will allow the identified low level relay access points (104b) that is connected to and directly a level below the relay access point (104a) to reboot first. At the point of rebooting, the low level relay access point (104b) will be disconnected from the relay access point (104a). The relay access point (104a) will continuously check and update all the existing connections between the relay access point (104a) and the identified low level relay access points (104b). Once it is determined and confirmed that all the existing connections have ended, the relay access point (104a) will proceed to reboot itself. In the event that the existing connections have not ended, a time out timer will be initiated. The relay access point (104a) will then proceed to reboot itself when the existing connections have timed out.
Referring now to the system of the present invention, each relay access point within the group of relay access points (104a) (104b) (104c) comprises at least one simple network management protocol (SNMP) for managing the relay access points (104a) (104b) (104c); at least one connection blocking module to prevent new wireless clients (104) including new relay access points from establishing new connections with it (104a) (104b) (104c); at least one connection checking module for identifying low level relay access points (104b) from low level wireless clients (104) that are connected to and directly a level below the relay access point (104a), and checking and updating the status of existing connections between the relay access point (104a) and the identified low level relay access points (104b); and at least one reboot module for rebooting the relay access point (104a) upon sensing all existing connections have either ended or timed out.
It should be well noted and understood that the teachings of the present invention does not limit to three levels of relay access points only. The present invention uses three levels of relay access points as an example, and for the purposes of easy understanding and conveying the teachings of the present invention to the readers. In fact, the teachings of the present invention can be used to perform bulk reboot operation in a group of relay access points within a wireless network environment that comprises at least one level of relay access points, or more than three levels of relay access points.

Claims

A method for performing a bulk reboot operation in a group of relay access points (104a) (104b) (104c) within a wireless network environment that comprises a plurality of wireless clients (104) including the group of relay access points (104a) (104b) (104c), the method comprises the steps of:
a) receiving a reboot command by a relay access point (104a), wherein the reboot command is sent by a network management system residing in an operation center;
b) preventing the relay access point (104a) from rebooting;
c) blocking new wireless clients including new relay access points, by the relay access point (104a), from establishing new connections with the relay access point (104a);
d) identifying low level relay access points (104b) from low level wireless clients (104), by the relay access point (104a), wherein the low level relay access points (104b) are connected to and directly a level below the relay access point (104a);
e) checking and updating the status of existing connections between the relay access point (104a) and the identified low level relay access points (104b), by the relay access point (104a); and f) rebooting the relay access point (104a) upon detecting the following:
i. all existing connections between the relay access point (104a) and the identified low level relay access points (104b) have ended; or
ii. all existing connections between the relay access point (104a) and the identified low level relay access points (104b) have timed out. A method in accordance with claim 1 , wherein the step of blocking new wireless clients including new relay access points from establishing new connections with the relay access point (104a) further comprises the steps of: a) detecting and saving the MAC addresses of the low level wireless clients (104) including the low level relay access points (104b), by the relay access point (104a), wherein the low level wireless clients (104) are directly a level below the relay access point (104a), and the low level relay access points (104b) are connected to and directly a level below the relay access point (104a); and
b) filtering the detected MAC addresses by the relay access point (104a).
A method in accordance with claim 2, wherein the step of filtering the detected MAC address is by using access control list (ACL).
A method in accordance with claim 1 , wherein the step of identifying the low level relay access points (104b) from the low level wireless clients (104) that are connected to and directly a level below the relay access point (104a) further comprises the step of extracting and obtaining information of the low level wireless clients (104) including the low level relay access points (104b).
A method in accordance with claim 1 further comprises the step of identifying lower level relay access points (104c) from lower level wireless clients (104) that are connected to the identified low level relay access points (104b).
A system for performing a bulk reboot operation in a group of relay access points (104a) (104b) (104c) within a wireless network environment that comprises a plurality of wireless clients (104) including the group of relay access points (104a) (104b) (104c), at least one operation center (101) having a network management system for managing the wireless network including sending out a reboot command to each relay access point within the group of relay access points (104a) (104b) (104c), and at least one primary access point (103) for bridging the communications between the operation center (101), the Internet (102), and the wireless clients including the group of relay access points (104a) (104b) (104c), characterized in that, each relay access point (104a) (104b) (104c) comprises:
a) at least one simple network management protocol (SNMP) agent for managing the relay access point (104a) (104b) (104c);
b) at least one connection blocking module for blocking new wireless clients including new relay access points from establishing new connections with the relay access point (104a) (104b) (104c);
c) at least one connection checking module for identifying low level relay access points (104b) from low level wireless clients (104) that are connected to and directly a level below the relay access point (104a), and checking and updating the status of existing connections between the relay access point (104a) and the identified low level relay access points (104b); and
d) at least one reboot module for performing the reboot operation on the relay access point (104a) upon detecting the following:
i. all existing connections between the relay access point (104a) and the identified low level relay access points (104b) have ended; or
ii. all existing connections between the relay access point (104a) and the identified low level relay access points (104b) have timed out.
PCT/MY2014/000062 2013-05-20 2014-04-18 Method and system for performing a bulk reboot operation in a group of relay access points WO2014189354A1 (en)

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MYPI2013700821 2013-05-20
MYPI2013700821A MY171240A (en) 2012-09-14 2013-05-20 Method and system for performing a bulk reboot operation in a group of relay access points

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