LOAD-BALANCING-PIB PIB-DEFINITIONS ::= BEGIN 

IMPORTS 

   MODULE-IDENTITY, OBJECT-TYPE,  

   TEXTUAL-CONVENTION, MODULE-COMPLIANCE,  

   OBJECT-IDENTITY, OBJECT-GROUP 

      FROM COPS-PR-SPPI 

   TruthValue 

         FROM SNMPv2-TC 

   InstanceId, ReferenceId,  

   TagId, TagReference 

         FROM COPS-PR-SPPI-TC 

   SnmpAdminString 

         FROM SNMP-FRAMEWORK-MIB 

   InetAddress, InetAddressType 

         FROM INET-ADDRESS-MIB 

lbPolicyPib MODULE-IDENTITY 

   SUBJECT-CATEGORIES SUBJECT-CATEGORY { tbd û Load Balancing Client 

Type } 

   LAST-UPDATED "200102231000Z" 

   ORGANIZATION " WG" 

   CONTACT-INFO ö 

                Harsha Hegde 

                Intel Corporation 

                MS JF3-206 

                2111 NE 25th Ave. 

                Hillsboro, OR 97124 

                Phone: +1 503 264 1439 

                Fax: +1 503 264 3483 

                E-Mail: shriharsha.hegde@intel.com 

                Brad Stone 

                Resonate, Inc. 

                385 Moffett Park Drive 

                Sunnyvale, CA 94089 

                Phone: +1 408 548 5929 

                Fax: +1 408 nnn nnnn 

                Email: bstone@resonate.com 

                ô 

   DESCRIPTION 

         "This PIB module contains a set of provisioning classes 

         that describe load balancing policies." 

   ::= { tbd } 

-- 

-- Classifier Classes 

-- 

lbClassifierClasses  OBJECT IDENTIFIER ::= { lbPolicyPib 1 } 

-- 

-- Filter Table 

-- 

lbFilterTable OBJECT-TYPE 

    SYNTAX         SEQUENCE OF LbFilterEntry 

    PIB-ACCESS     install 

    STATUS         current 

    DESCRIPTION 

        "This table consists of additional filters. The filters in 

        this table extend the filters in frwkBaseFilterTable. A 

        packet must match all the fields in a filter. Wildcards may 

        be specified for those fields that are not relevant." 

    ::= { lbClassifierClasses  1 } 

lbFilterEntry OBJECT-TYPE 

    SYNTAX         LbFilterEntry 

    STATUS         current 

    DESCRIPTION 

        "An instance of this class describes a filter. " 

    EXTENDS        { frwkIpFilterEntry } 

    ::= { lbFilterTable 1 } 

LbFilterEntry ::= SEQUENCE { 

        lbFilterUrlPrefix      OCTET_STRING, 

        lbFilterUrlDomain      OCTET_STRING, 

        lbFilterUrlSuffix      OCTET_STRING } 

lbFilterUrlPrefix OBJECT-TYPE 

    SYNTAX         OCTET STRING 

    STATUS         current 

    DESCRIPTION 

        "The portion of an URL that identifies the protocol. for 

        example, http,ftp. A æ*Æ character is used to match any 

        string." 

    ::= { lbFilterEntry 1 } 

lbFilterUrDomain OBJECT-TYPE 

    SYNTAX         OCTET STRING 

    STATUS         current 

    DESCRIPTION 

        "The portion of an URL that identifies the domain. for 

        example, www.company.com. A æ*Æ character is used to match 

        any string." 

    ::= { lbFilterEntry 2 } 

lbFilterUrlSuffix OBJECT-TYPE 

    SYNTAX         OCTET STRING 

    STATUS         current 

    DESCRIPTION 

        "The portion of an URL that identifies the file name. for 

        example, index.html, mypic.jpg. A æ*.*Æ string matches any 

        file, a æ*.jpgÆ string matches all files with jpg extension, 

        and a æindex.*Æ matches all æindexÆ files with any  

        extension." 

    ::= { lbFilterEntry 3 } 

-- 

-- Filter Group Table 

-- 

lbFilterGroupTable OBJECT-TYPE 

    SYNTAX         SEQUENCE OF LbFilterGroupEntry 

    PIB-ACCESS     install 

    STATUS         current 

    DESCRIPTION 

        "A class that defines Filter Groups. Each Group being an 

        ordered list of filters.  Each instance of this class 

        identifies one filter of a group and the precedence order of 

        that filter with respect to other filters in the same 

        group." 

    ::= { lbClassifierClasses  2 } 

lbFilterGroupEntry OBJECT-TYPE 

    SYNTAX         LbFilterGroupEntry 

    STATUS         current 

    DESCRIPTION 

        "An instance of filter group." 

    PIB-INDEX { lbFilterGroupPrid } 

    ::= { lbFilterGroupTable 1 } 

LbFilterGroupEntry ::= SEQUENCE { 

        lbFilterGroupPrid           InstanceId, 

        lbFilterGroupId             TagId, 

        lbFilterGroupFilterId       ReferenceId, 

        lbFilterGroupPriority       Unsigned32 } 

lbFilterGroupPrid OBJECT-TYPE 

    SYNTAX         InstanceId 

    STATUS         current 

    DESCRIPTION 

        "An integer index that uniquely identifies an instance of 

        the lbFilterGroupEntry class." 

    ::= { lbFilterGroupEntry 1 } 

lbFilterGroupId OBJECT-TYPE 

    SYNTAX         TagId 

    STATUS         current 

    DESCRIPTION 

        "An arbitrary integer that identifies the group of filters. 

        The same lbFilterGroupId is used in all lbFilterGroupEntry 

        instances that belong to a group." 

    ::= { lbFilterGroupEntry 2 } 

lbFilterGroupFilterId OBJECT-TYPE 

    SYNTAX         ReferenceId 

    PIB-REFERENCES { lbFilterEntry }  

    STATUS         current 

    DESCRIPTION 

        "Pointer to an instance of filter. The filter with the same 

        Id must be present." 

    ::= { lbFilterGroupEntry 3 } 

lbFilterGroupPriority OBJECT-TYPE 

    SYNTAX         Unsigned32 

    STATUS         current 

    DESCRIPTION 

        "An arbitrary integer index that specifies the position of 

        this filter in the filter group. A filter with a given  

        priority order is positioned in the filter group before one 

        with a higher-value priority. Priority values within a group 

        must be unique." 

    ::= { lbFilterGroupEntry 4 } 

-- 

-- Capabilities Classes 

-- 

lbCapabilitiesClasses  OBJECT IDENTIFIER ::= { lbPolicyPib 2 } 

-- 

-- Capabilities Table 

-- 

lbCapabilitiesTable OBJECT-TYPE 

    SYNTAX         SEQUENCE OF LbCapabilitiesEntry 

    PIB-ACCESS     install-notify 

    STATUS         current 

    DESCRIPTION 

        "This table consists of load balancer capabilities. 

        Instances of this class are used by the PEP to notify PEP 

        capabilities and by the PDP to install policies. The PDP 

        must not install a capability not reported by the PEP " 

    ::= { lbCapabilitiesClasses 1 } 

lbCapabilitiesEntry OBJECT-TYPE 

    SYNTAX         LbCapabilitiesEntry 

    STATUS         current 

    DESCRIPTION 

        "An instance of this class describes a set of capabilities 

        of the load balancer or the capabilities applied to a 

        service policy." 

    ::= { lbCapabilitiesTable 1 } 

LbCapabilitiesEntry ::= SEQUENCE { 

        lbCapPrid              InstanceId, 

        lbCapStickyMode        BITS, 

        lbCapHttpReturnCodes   BITS, 

        lbCapBalanceAlgorithm  BITS, 

        lbCapAlgorithmParams   Prid, 

        lbCapPreserveSrcAddr   TruthValue, 

        lbCapDirectReturn      TruthValue } 

lbCapPrid OBJECT-TYPE 

    SYNTAX         InstanceId 

    STATUS         current 

    DESCRIPTION 

        "An integer index that uniquely identifies an instance of 

        the lbCapabilitiesEntry class." 

    ::= { lbCapabilitiesEntry 1 } 

lbCapStickyMode OBJECT-TYPE 

    SYNTAX         BITS { 

                       cookieBased (1), 

                       sourceAddressBased (2) } 

    STATUS         current 

    DESCRIPTION 

        "Set of values indicating the type of Sticky Mode in this 

        capabilities set. When PEP notifies PDP, the bits indicate 

        the support of these mechanisms. When PDP installs policies,  

        the bits indicate what mechanism must be used." 

    ::= { lbCapabilitiesEntry 2 } 

lbCapReturnCodes OBJECT-TYPE 

    SYNTAX         BITS { 

                       http404(1), 

                       http505(2) } 

    STATUS         current 

    DESCRIPTION 

        "Set of values indicating the type of HTTP return codes that 

        the load balancer can interpret and redirect the request to 

        another server. When PEP notifies PDP, the bits indicate 

        the ability to interpret the HTTP return codes. When PDP 

        installs policies, the bits indicate enabling redirection on 

        any of those HTTP return codes." 

    ::= { lbCapabilitiesEntry 3 } 

lbCapBalanceAlgorithm OBJECT-TYPE 

    SYNTAX         BITS { 

                       roundRobin(1), 

                       weightedRoundRobin(2), 

                       leastConnections(3), 

                       weightedLeastConnections(4), 

                       fastestServerResponse(5), 

                       serverCpuUtilizaiton(6), 

                       priorityToUser(7) } 

    STATUS         current 

    DESCRIPTION 

        "Set of values indicating the type of server balance 

        algorithm. When PEP notifies PDP, the bits indicate all the 

        algorithms supported. When PDP installs policies the bits  

        indicate only one algorithm that must be used. Additional  

        parameters needed for the algorithm may be specified in  

        another PRC instance identified by the lbCapAlgorithmParams  

        attribute." 

    ::= { lbCapabilitiesEntry 4 } 

lbCapAlgorithmParams OBJECT-TYPE 

    SYNTAX         Prid 

    STATUS         current 

    DESCRIPTION 

        "This points to PRI that contains parameters needed for a  

        specific algorithm. The PRI pointed to must exist prior to  

        the installation of this class.  

        TBD: define parameters classes for all existing algorithms.ö 

    ::= { lbCapabilitiesEntry 5 } 

lbCapPreserveSrcAddr OBJECT-TYPE 

    SYNTAX         TruthValue 

    STATUS         current 

    DESCRIPTION 

        "Indicates whether Source Address must be preserved when 

        forwarding a request to server.ö 

    ::= { lbCapabilitiesEntry 6 } 

lbCapDirectReturn OBJECT-TYPE 

    SYNTAX         TruthValue 

    STATUS         current 

    DESCRIPTION 

        "Indicates whether a response from data center server could 

        go directly to client bypassing the load balancer.ö 

    ::= { lbCapabilitiesEntry 7 } 

-- 

-- Server Classes 

-- 

lbServerClasses  OBJECT IDENTIFIER ::= { lbPolicyPib 3 } 

-- 

-- Server Table 

-- 

lbServerTable OBJECT-TYPE 

    SYNTAX         SEQUENCE OF LbServerEntry 

    PIB-ACCESS     install 

    STATUS         current 

    DESCRIPTION 

        "This table consists of data center servers." 

    ::= { lbCapabilitiesClasses 1 } 

lbServerEntry OBJECT-TYPE 

    SYNTAX         LbServerEntry 

    STATUS         current 

    DESCRIPTION 

        "An instance of this class describes a data center server." 

    PIB-INDEX { lbServerPrid } 

    ::= { lbServerTable 1 } 

LbServerEntry ::= SEQUENCE { 

        lbServerPrid           InstanceId, 

        lbServerName           SnmpAdminString, 

        lbServerAddressType    InetAddressType, 

        lbServerAddress        InetAddress, 

        lbServerMode           INTEGER } 

lbServerPrid OBJECT-TYPE 

    SYNTAX         InstanceId 

    STATUS         current 

    DESCRIPTION 

        "An integer index that uniquely identifies an instance of 

        the lbServerEntry class." 

    ::= { lbServerEntry 1 } 

lbServerName OBJECT-TYPE 

    SYNTAX         SnmpAdminString 

    STATUS         current 

    DESCRIPTION 

        "A name for server." 

    ::= { lbServerEntry 2 } 

lbServerAddressType OBJECT-TYPE 

    SYNTAX         InetAddressType 

    STATUS         current 

    DESCRIPTION 

        "Type of address for server." 

    ::= { lbServerEntry 3 } 

lbServerAddress OBJECT-TYPE 

    SYNTAX         InetAddress 

    STATUS         current 

    DESCRIPTION 

        "Address (IP address or DNS Name) for server." 

    ::= { lbServerEntry 4 } 

lbServerMode OBJECT-TYPE 

    SYNTAX         INTEGER { 

                       Disabled(0), 

                       Primary(1), 

                       Backup(2) } 

    STATUS         current 

    DESCRIPTION 

        "Indicates the mode of the server. Enumeration values are 

             primary server  (1) 

             backup server   (2)  

             disabled        (0)." 

    ::= { lbServerEntry 5 } 

-- 

-- Server Group Table 

-- 

lbServerGroupTable OBJECT-TYPE 

    SYNTAX         SEQUENCE OF LbServerGroupEntry 

    PIB-ACCESS     install 

    STATUS         current 

    DESCRIPTION 

        "A class that defines Server Groups. Each Group being an 

        ordered list of data center servers.  Each instance of this 

        class identifies one server of a group and the precedence 

        order of that server with respect to other servers in the 

        same group." 

    ::= { lbServerClasses  2 } 

lbServerGroupEntry OBJECT-TYPE 

    SYNTAX         LbServerGroupEntry 

    STATUS         current 

    DESCRIPTION 

        "An instance of server group." 

    PIB-INDEX { lbServerGroupPrid } 

    ::= { lbServerGroupTable 1 } 

LbServerGroupEntry ::= SEQUENCE { 

        lbServerGroupPrid           InstanceId, 

        lbServerGroupId             TagId, 

        lbServerGroupServerId       ReferenceId, 

        lbServerGroupPriority       Unsigned32 } 

lbServerGroupPrid OBJECT-TYPE 

    SYNTAX         InstanceId 

    STATUS         current 

    DESCRIPTION 

        "An integer index that uniquely identifies an instance of 

        the lbServerGroupEntry class." 

    ::= { lbServerGroupEntry 1 } 

lbServerGroupId OBJECT-TYPE 

    SYNTAX         TagId 

    STATUS         current 

    DESCRIPTION 

        "An arbitrary integer that identifies the group of servers. 

        The same lbServerGroupId is used in all lbServerGroupEntry 

        instances that belong to a group." 

    ::= { lbServerGroupEntry 2 } 

lbServerGroupServerId OBJECT-TYPE 

    SYNTAX         ReferenceId 

    PIB-REFERENCES { lbServerEntry } 

    STATUS         current 

    DESCRIPTION 

        "Pointer to an instance of server. The server with the same 

        Id must be present." 

    ::= { lbServerGroupEntry 3 } 

lbServerGroupPriority OBJECT-TYPE 

    SYNTAX         Unsigned32 

    STATUS         current 

    DESCRIPTION 

        "An arbitrary integer index that specifies the position of 

        this server in the server group. A server with a given  

        priority order is positioned in the server group before one 

        with a higher-value priority. Priority values within a group 

        must be unique." 

    ::= { lbServerGroupEntry 4 } 

-- 

-- Service Classes 

-- 

lbServiceClasses  OBJECT IDENTIFIER ::= { lbPolicyPib 4 } 

-- 

-- Service Table 

-- 

lbServiceTable OBJECT-TYPE 

    SYNTAX         SEQUENCE OF LbServiceEntry 

    PIB-ACCESS     install 

    STATUS         current 

    DESCRIPTION 

        "This table consists of entries that combine filter groups, 

        capabilities and server groups to form services." 

    ::= { lbServiceClasses 1 } 

lbServiceEntry OBJECT-TYPE 

    SYNTAX         LbServiceEntry 

    STATUS         current 

    DESCRIPTION 

        "An instance of this class describes a service." 

    PIB-INDEX { lbServicePrid } 

    ::= { lbServiceTable 1 } 

LbServiceEntry ::= SEQUENCE { 

        lbServicePrid           InstanceId, 

        lbServiceName           SnmpAdminString, 

        lbServiceFilterGroupId  TagReference, 

        lbServiceServerGroupId  TagReference, 

        lbServiceCapabilitiesId ReferenceId } 

lbServicePrid OBJECT-TYPE 

    SYNTAX         InstanceId 

    STATUS         current 

    DESCRIPTION 

        "An integer index that uniquely identifies an instance of 

        the lbServiceEntry class." 

    ::= { lbServiceEntry 1 } 

lbServiceName OBJECT-TYPE 

    SYNTAX         SnmpAdminString 

    STATUS         current 

    DESCRIPTION 

        "Name to identify a service." 

    ::= { lbServiceEntry 2 } 

lbServiceFilterGroupId OBJECT-TYPE 

    SYNTAX         TagReference 

    PIB-TAG        { lbFilterGroupId } 

    STATUS         current 

    DESCRIPTION 

        "Pointer to a group of Filters. An instance of 

        lbFilterGroupEntry with the same tag id must be present." 

    ::= { lbServiceEntry 3 } 

lbServiceServerGroupId OBJECT-TYPE 

    SYNTAX         TagReference 

    PIB-TAG        { lbServerGroupId } 

    STATUS         current 

    DESCRIPTION 

        "Pointer to a group of Servers. An instance of 

        lbServerGroupEntry with the same tag id must be present." 

    ::= { lbServiceEntry 4 } 

lbServiceCapabilitiesId OBJECT-TYPE 

    SYNTAX         ReferenceId 

    PIB-REFERENCES { lbCapabilitiesEntry } 

    STATUS         current 

    DESCRIPTION 

        "Pointer to an instance of capabilities class. An instance 

        of lbCapabilitiesEntry with the same tag id must be 

        present." 

    ::= { lbServiceEntry 5 } 

-- Compliance section 

-- TBD 

END