diff --git a/mesh/v1alpha1/config.pb.go b/mesh/v1alpha1/config.pb.go
index 98218b7feb..2e3ffac974 100644
--- a/mesh/v1alpha1/config.pb.go
+++ b/mesh/v1alpha1/config.pb.go
@@ -99,6 +99,29 @@ func (MeshConfig_AuthPolicy) EnumDescriptor() ([]byte, []int) {
 	return fileDescriptorConfig, []int{0, 1}
 }
 
+type MeshConfig_AccessLogEncoding int32
+
+const (
+	MeshConfig_TEXT MeshConfig_AccessLogEncoding = 0
+	MeshConfig_JSON MeshConfig_AccessLogEncoding = 1
+)
+
+var MeshConfig_AccessLogEncoding_name = map[int32]string{
+	0: "TEXT",
+	1: "JSON",
+}
+var MeshConfig_AccessLogEncoding_value = map[string]int32{
+	"TEXT": 0,
+	"JSON": 1,
+}
+
+func (x MeshConfig_AccessLogEncoding) String() string {
+	return proto.EnumName(MeshConfig_AccessLogEncoding_name, int32(x))
+}
+func (MeshConfig_AccessLogEncoding) EnumDescriptor() ([]byte, []int) {
+	return fileDescriptorConfig, []int{0, 2}
+}
+
 type MeshConfig_OutboundTrafficPolicy_Mode int32
 
 const (
@@ -183,9 +206,12 @@ type MeshConfig struct {
 	// File address for the proxy access log (e.g. /dev/stdout).
 	// Empty value disables access logging.
 	AccessLogFile string `protobuf:"bytes,13,opt,name=access_log_file,json=accessLogFile,proto3" json:"access_log_file,omitempty"`
-	// Format for the proxy access log (text or json).
-	// Default value is text.
+	// Format for the proxy access log
+	// Empty value results in proxy's default access log format
 	AccessLogFormat string `protobuf:"bytes,24,opt,name=access_log_format,json=accessLogFormat,proto3" json:"access_log_format,omitempty"`
+	// Encoding for the proxy access log (text or json).
+	// Default value is text.
+	AccessLogEncoding MeshConfig_AccessLogEncoding `protobuf:"varint,27,opt,name=access_log_encoding,json=accessLogEncoding,proto3,enum=istio.mesh.v1alpha1.MeshConfig_AccessLogEncoding" json:"access_log_encoding,omitempty"`
 	// Default proxy config used by the proxy injection mechanism operating in the mesh
 	// (e.g. Kubernetes admission controller)
 	// In case of Kubernetes, the proxy config is applied once during the injection process,
@@ -334,6 +360,13 @@ func (m *MeshConfig) GetAccessLogFormat() string {
 	return ""
 }
 
+func (m *MeshConfig) GetAccessLogEncoding() MeshConfig_AccessLogEncoding {
+	if m != nil {
+		return m.AccessLogEncoding
+	}
+	return MeshConfig_TEXT
+}
+
 func (m *MeshConfig) GetDefaultConfig() *ProxyConfig {
 	if m != nil {
 		return m.DefaultConfig
@@ -454,6 +487,7 @@ func init() {
 	proto.RegisterType((*ConfigSource)(nil), "istio.mesh.v1alpha1.ConfigSource")
 	proto.RegisterEnum("istio.mesh.v1alpha1.MeshConfig_IngressControllerMode", MeshConfig_IngressControllerMode_name, MeshConfig_IngressControllerMode_value)
 	proto.RegisterEnum("istio.mesh.v1alpha1.MeshConfig_AuthPolicy", MeshConfig_AuthPolicy_name, MeshConfig_AuthPolicy_value)
+	proto.RegisterEnum("istio.mesh.v1alpha1.MeshConfig_AccessLogEncoding", MeshConfig_AccessLogEncoding_name, MeshConfig_AccessLogEncoding_value)
 	proto.RegisterEnum("istio.mesh.v1alpha1.MeshConfig_OutboundTrafficPolicy_Mode", MeshConfig_OutboundTrafficPolicy_Mode_name, MeshConfig_OutboundTrafficPolicy_Mode_value)
 }
 func (m *MeshConfig) Marshal() (dAtA []byte, err error) {
@@ -677,6 +711,13 @@ func (m *MeshConfig) MarshalTo(dAtA []byte) (int, error) {
 		i = encodeVarintConfig(dAtA, i, uint64(len(m.TrustDomain)))
 		i += copy(dAtA[i:], m.TrustDomain)
 	}
+	if m.AccessLogEncoding != 0 {
+		dAtA[i] = 0xd8
+		i++
+		dAtA[i] = 0x1
+		i++
+		i = encodeVarintConfig(dAtA, i, uint64(m.AccessLogEncoding))
+	}
 	return i, nil
 }
 
@@ -838,6 +879,9 @@ func (m *MeshConfig) Size() (n int) {
 	if l > 0 {
 		n += 2 + l + sovConfig(uint64(l))
 	}
+	if m.AccessLogEncoding != 0 {
+		n += 2 + sovConfig(uint64(m.AccessLogEncoding))
+	}
 	return n
 }
 
@@ -1539,6 +1583,25 @@ func (m *MeshConfig) Unmarshal(dAtA []byte) error {
 			}
 			m.TrustDomain = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
+		case 27:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field AccessLogEncoding", wireType)
+			}
+			m.AccessLogEncoding = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowConfig
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.AccessLogEncoding |= (MeshConfig_AccessLogEncoding(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
 		default:
 			iNdEx = preIndex
 			skippy, err := skipConfig(dAtA[iNdEx:])
@@ -1849,69 +1912,72 @@ var (
 func init() { proto.RegisterFile("mesh/v1alpha1/config.proto", fileDescriptorConfig) }
 
 var fileDescriptorConfig = []byte{
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+	0xe6, 0x41, 0x6e, 0x34, 0x1e, 0xf5, 0xcd, 0x35, 0x28, 0x9f, 0xbb, 0x6b, 0x95, 0xcf, 0x1d, 0x3a,
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+	0x1c, 0x14, 0x97, 0x07, 0x12, 0x22, 0xb0, 0xb5, 0x58, 0x0a, 0xfa, 0xa9, 0x5c, 0x7c, 0xc2, 0x01,
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+	0x3f, 0xbd, 0xd3, 0x0b, 0xcd, 0x4f, 0x2c, 0x77, 0xe8, 0x38, 0x19, 0xdb, 0x2e, 0x88, 0x90, 0x2f,
+	0x3e, 0x4e, 0xdb, 0x7f, 0x3e, 0xec, 0x19, 0x7f, 0x3d, 0xec, 0x19, 0x7f, 0x3f, 0xec, 0x19, 0xbf,
+	0x34, 0x74, 0x04, 0xca, 0x3a, 0x5e, 0x4c, 0x3b, 0xcf, 0xfe, 0x0b, 0xdc, 0x6e, 0xaa, 0x2b, 0x78,
+	0xf2, 0x4f, 0x00, 0x00, 0x00, 0xff, 0xff, 0x0a, 0x38, 0x8b, 0x61, 0x74, 0x08, 0x00, 0x00,
 }
diff --git a/mesh/v1alpha1/config.proto b/mesh/v1alpha1/config.proto
index 38b2b2faec..952501f6d5 100644
--- a/mesh/v1alpha1/config.proto
+++ b/mesh/v1alpha1/config.proto
@@ -121,10 +121,19 @@ message MeshConfig {
   // Empty value disables access logging.
   string access_log_file = 13;
   
-  // Format for the proxy access log (text or json).
-  // Default value is text.
+  // Format for the proxy access log 
+  // Empty value results in proxy's default access log format 
   string access_log_format = 24;
 
+  enum AccessLogEncoding {
+    TEXT = 0;
+    JSON = 1;
+  }
+
+  // Encoding for the proxy access log (text or json).
+  // Default value is text.
+  AccessLogEncoding access_log_encoding = 27;
+
   // Default proxy config used by the proxy injection mechanism operating in the mesh
   // (e.g. Kubernetes admission controller)
   // In case of Kubernetes, the proxy config is applied once during the injection process,
@@ -188,7 +197,7 @@ message MeshConfig {
   string trust_domain = 26;
 
   // $hide_from_docs
-  // Next available field number: 27
+  // Next available field number: 28
 }
 
 // ConfigSource describes information about a configuration store inside a
diff --git a/mesh/v1alpha1/istio.mesh.v1alpha1.pb.html b/mesh/v1alpha1/istio.mesh.v1alpha1.pb.html
index e5ade7fc3e..2e6b034417 100644
--- a/mesh/v1alpha1/istio.mesh.v1alpha1.pb.html
+++ b/mesh/v1alpha1/istio.mesh.v1alpha1.pb.html
@@ -4,7 +4,7 @@
 generator: protoc-gen-docs
 aliases:
   - /docs/reference/config/service-mesh.html
-number_of_entries: 15
+number_of_entries: 16
 ---
 <h2 id="AuthenticationPolicy">AuthenticationPolicy</h2>
 <section>
@@ -221,7 +221,16 @@ <h2 id="MeshConfig">MeshConfig</h2>
 <td><code>accessLogFormat</code></td>
 <td><code>string</code></td>
 <td>
-<p>Format for the proxy access log (text or json).
+<p>Format for the proxy access log
+Empty value results in proxy&rsquo;s default access log format</p>
+
+</td>
+</tr>
+<tr id="MeshConfig-access_log_encoding">
+<td><code>accessLogEncoding</code></td>
+<td><code><a href="#MeshConfig-AccessLogEncoding">MeshConfig.AccessLogEncoding</a></code></td>
+<td>
+<p>Encoding for the proxy access log (text or json).
 Default value is text.</p>
 
 </td>
@@ -286,6 +295,29 @@ <h2 id="MeshConfig">MeshConfig</h2>
 Refer to https://github.com/spiffe/spiffe/blob/master/standards/SPIFFE-ID.md#21-trust-domain
 Fallback to old identity format(without trust domain) if not set.</p>
 
+</td>
+</tr>
+</tbody>
+</table>
+</section>
+<h2 id="MeshConfig-AccessLogEncoding">MeshConfig.AccessLogEncoding</h2>
+<section>
+<table class="enum-values">
+<thead>
+<tr>
+<th>Name</th>
+<th>Description</th>
+</tr>
+</thead>
+<tbody>
+<tr id="MeshConfig-AccessLogEncoding-TEXT">
+<td><code>TEXT</code></td>
+<td>
+</td>
+</tr>
+<tr id="MeshConfig-AccessLogEncoding-JSON">
+<td><code>JSON</code></td>
+<td>
 </td>
 </tr>
 </tbody>
diff --git a/proto.lock b/proto.lock
index 17752c00c6..3e8c8b2154 100644
--- a/proto.lock
+++ b/proto.lock
@@ -661,6 +661,19 @@
               }
             ]
           },
+          {
+            "name": "MeshConfig.AccessLogEncoding",
+            "enum_fields": [
+              {
+                "name": "TEXT",
+                "integer": 0
+              },
+              {
+                "name": "JSON",
+                "integer": 1
+              }
+            ]
+          },
           {
             "name": "OutboundTrafficPolicy.Mode",
             "enum_fields": [
@@ -758,6 +771,11 @@
                 "name": "access_log_format",
                 "type": "string"
               },
+              {
+                "id": 27,
+                "name": "access_log_encoding",
+                "type": "AccessLogEncoding"
+              },
               {
                 "id": 14,
                 "name": "default_config",
diff --git a/python/istio_api/mesh/v1alpha1/config_pb2.py b/python/istio_api/mesh/v1alpha1/config_pb2.py
index e6fc3b9567..28143969be 100644
--- a/python/istio_api/mesh/v1alpha1/config_pb2.py
+++ b/python/istio_api/mesh/v1alpha1/config_pb2.py
@@ -22,7 +22,7 @@
   name='mesh/v1alpha1/config.proto',
   package='istio.mesh.v1alpha1',
   syntax='proto3',
-  serialized_pb=_b('\n\x1amesh/v1alpha1/config.proto\x12\x13istio.mesh.v1alpha1\x1a\x1egoogle/protobuf/duration.proto\x1a\x19mesh/v1alpha1/proxy.proto\x1a*networking/v1alpha3/destination_rule.proto\"\x81\n\n\nMeshConfig\x12\x1a\n\x12mixer_check_server\x18\x01 \x01(\t\x12\x1b\n\x13mixer_report_server\x18\x02 \x01(\t\x12\x1d\n\x15\x64isable_policy_checks\x18\x03 \x01(\x08\x12\x1e\n\x16policy_check_fail_open\x18\x19 \x01(\x08\x12\x19\n\x11proxy_listen_port\x18\x04 \x01(\x05\x12\x17\n\x0fproxy_http_port\x18\x05 \x01(\x05\x12\x32\n\x0f\x63onnect_timeout\x18\x06 \x01(\x0b\x32\x19.google.protobuf.Duration\x12\x15\n\ringress_class\x18\x07 \x01(\t\x12\x17\n\x0fingress_service\x18\x08 \x01(\t\x12V\n\x17ingress_controller_mode\x18\t \x01(\x0e\x32\x35.istio.mesh.v1alpha1.MeshConfig.IngressControllerMode\x12\x43\n\x0b\x61uth_policy\x18\n \x01(\x0e\x32*.istio.mesh.v1alpha1.MeshConfig.AuthPolicyB\x02\x18\x01\x12\x38\n\x11rds_refresh_delay\x18\x0b \x01(\x0b\x32\x19.google.protobuf.DurationB\x02\x18\x01\x12\x16\n\x0e\x65nable_tracing\x18\x0c \x01(\x08\x12\x17\n\x0f\x61\x63\x63\x65ss_log_file\x18\r \x01(\t\x12\x19\n\x11\x61\x63\x63\x65ss_log_format\x18\x18 \x01(\t\x12\x38\n\x0e\x64\x65\x66\x61ult_config\x18\x0e \x01(\x0b\x32 .istio.mesh.v1alpha1.ProxyConfig\x12\x19\n\rmixer_address\x18\x10 \x01(\tB\x02\x18\x01\x12Z\n\x17outbound_traffic_policy\x18\x11 \x01(\x0b\x32\x35.istio.mesh.v1alpha1.MeshConfig.OutboundTrafficPolicyB\x02\x18\x01\x12\'\n\x1f\x65nable_client_side_policy_check\x18\x13 \x01(\x08\x12\x14\n\x0csds_uds_path\x18\x14 \x01(\t\x12\x38\n\x11sds_refresh_delay\x18\x15 \x01(\x0b\x32\x19.google.protobuf.DurationB\x02\x18\x01\x12\x39\n\x0e\x63onfig_sources\x18\x16 \x03(\x0b\x32!.istio.mesh.v1alpha1.ConfigSource\x12\x1e\n\x16\x65nable_sds_token_mount\x18\x17 \x01(\x08\x12\x14\n\x0ctrust_domain\x18\x1a \x01(\t\x1a\xb5\x01\n\x15OutboundTrafficPolicy\x12L\n\x04mode\x18\x01 \x01(\x0e\x32:.istio.mesh.v1alpha1.MeshConfig.OutboundTrafficPolicy.ModeB\x02\x18\x01\"N\n\x04Mode\x12\x15\n\rREGISTRY_ONLY\x10\x00\x1a\x02\x08\x01\x12\x11\n\tALLOW_ANY\x10\x01\x1a\x02\x08\x01\x12\x1c\n\x14VIRTUAL_SERVICE_ONLY\x10\x02\x1a\x02\x08\x01\"9\n\x15IngressControllerMode\x12\x07\n\x03OFF\x10\x00\x12\x0b\n\x07\x44\x45\x46\x41ULT\x10\x01\x12\n\n\x06STRICT\x10\x02\"&\n\nAuthPolicy\x12\x08\n\x04NONE\x10\x00\x12\x0e\n\nMUTUAL_TLS\x10\x01J\x04\x08\x0f\x10\x10J\x04\x08\x12\x10\x13\"]\n\x0c\x43onfigSource\x12\x0f\n\x07\x61\x64\x64ress\x18\x01 \x01(\t\x12<\n\x0ctls_settings\x18\x02 \x01(\x0b\x32&.istio.networking.v1alpha3.TLSSettingsB\x1cZ\x1aistio.io/api/mesh/v1alpha1b\x06proto3')
+  serialized_pb=_b('\n\x1amesh/v1alpha1/config.proto\x12\x13istio.mesh.v1alpha1\x1a\x1egoogle/protobuf/duration.proto\x1a\x19mesh/v1alpha1/proxy.proto\x1a*networking/v1alpha3/destination_rule.proto\"\xfa\n\n\nMeshConfig\x12\x1a\n\x12mixer_check_server\x18\x01 \x01(\t\x12\x1b\n\x13mixer_report_server\x18\x02 \x01(\t\x12\x1d\n\x15\x64isable_policy_checks\x18\x03 \x01(\x08\x12\x1e\n\x16policy_check_fail_open\x18\x19 \x01(\x08\x12\x19\n\x11proxy_listen_port\x18\x04 \x01(\x05\x12\x17\n\x0fproxy_http_port\x18\x05 \x01(\x05\x12\x32\n\x0f\x63onnect_timeout\x18\x06 \x01(\x0b\x32\x19.google.protobuf.Duration\x12\x15\n\ringress_class\x18\x07 \x01(\t\x12\x17\n\x0fingress_service\x18\x08 \x01(\t\x12V\n\x17ingress_controller_mode\x18\t \x01(\x0e\x32\x35.istio.mesh.v1alpha1.MeshConfig.IngressControllerMode\x12\x43\n\x0b\x61uth_policy\x18\n \x01(\x0e\x32*.istio.mesh.v1alpha1.MeshConfig.AuthPolicyB\x02\x18\x01\x12\x38\n\x11rds_refresh_delay\x18\x0b \x01(\x0b\x32\x19.google.protobuf.DurationB\x02\x18\x01\x12\x16\n\x0e\x65nable_tracing\x18\x0c \x01(\x08\x12\x17\n\x0f\x61\x63\x63\x65ss_log_file\x18\r \x01(\t\x12\x19\n\x11\x61\x63\x63\x65ss_log_format\x18\x18 \x01(\t\x12N\n\x13\x61\x63\x63\x65ss_log_encoding\x18\x1b \x01(\x0e\x32\x31.istio.mesh.v1alpha1.MeshConfig.AccessLogEncoding\x12\x38\n\x0e\x64\x65\x66\x61ult_config\x18\x0e \x01(\x0b\x32 .istio.mesh.v1alpha1.ProxyConfig\x12\x19\n\rmixer_address\x18\x10 \x01(\tB\x02\x18\x01\x12Z\n\x17outbound_traffic_policy\x18\x11 \x01(\x0b\x32\x35.istio.mesh.v1alpha1.MeshConfig.OutboundTrafficPolicyB\x02\x18\x01\x12\'\n\x1f\x65nable_client_side_policy_check\x18\x13 \x01(\x08\x12\x14\n\x0csds_uds_path\x18\x14 \x01(\t\x12\x38\n\x11sds_refresh_delay\x18\x15 \x01(\x0b\x32\x19.google.protobuf.DurationB\x02\x18\x01\x12\x39\n\x0e\x63onfig_sources\x18\x16 \x03(\x0b\x32!.istio.mesh.v1alpha1.ConfigSource\x12\x1e\n\x16\x65nable_sds_token_mount\x18\x17 \x01(\x08\x12\x14\n\x0ctrust_domain\x18\x1a \x01(\t\x1a\xb5\x01\n\x15OutboundTrafficPolicy\x12L\n\x04mode\x18\x01 \x01(\x0e\x32:.istio.mesh.v1alpha1.MeshConfig.OutboundTrafficPolicy.ModeB\x02\x18\x01\"N\n\x04Mode\x12\x15\n\rREGISTRY_ONLY\x10\x00\x1a\x02\x08\x01\x12\x11\n\tALLOW_ANY\x10\x01\x1a\x02\x08\x01\x12\x1c\n\x14VIRTUAL_SERVICE_ONLY\x10\x02\x1a\x02\x08\x01\"9\n\x15IngressControllerMode\x12\x07\n\x03OFF\x10\x00\x12\x0b\n\x07\x44\x45\x46\x41ULT\x10\x01\x12\n\n\x06STRICT\x10\x02\"&\n\nAuthPolicy\x12\x08\n\x04NONE\x10\x00\x12\x0e\n\nMUTUAL_TLS\x10\x01\"\'\n\x11\x41\x63\x63\x65ssLogEncoding\x12\x08\n\x04TEXT\x10\x00\x12\x08\n\x04JSON\x10\x01J\x04\x08\x0f\x10\x10J\x04\x08\x12\x10\x13\"]\n\x0c\x43onfigSource\x12\x0f\n\x07\x61\x64\x64ress\x18\x01 \x01(\t\x12<\n\x0ctls_settings\x18\x02 \x01(\x0b\x32&.istio.networking.v1alpha3.TLSSettingsB\x1cZ\x1aistio.io/api/mesh/v1alpha1b\x06proto3')
   ,
   dependencies=[google_dot_protobuf_dot_duration__pb2.DESCRIPTOR,mesh_dot_v1alpha1_dot_proxy__pb2.DESCRIPTOR,networking_dot_v1alpha3_dot_destination__rule__pb2.DESCRIPTOR,])
 
@@ -49,8 +49,8 @@
   ],
   containing_type=None,
   options=None,
-  serialized_start=1247,
-  serialized_end=1325,
+  serialized_start=1327,
+  serialized_end=1405,
 )
 _sym_db.RegisterEnumDescriptor(_MESHCONFIG_OUTBOUNDTRAFFICPOLICY_MODE)
 
@@ -75,8 +75,8 @@
   ],
   containing_type=None,
   options=None,
-  serialized_start=1327,
-  serialized_end=1384,
+  serialized_start=1407,
+  serialized_end=1464,
 )
 _sym_db.RegisterEnumDescriptor(_MESHCONFIG_INGRESSCONTROLLERMODE)
 
@@ -97,11 +97,33 @@
   ],
   containing_type=None,
   options=None,
-  serialized_start=1386,
-  serialized_end=1424,
+  serialized_start=1466,
+  serialized_end=1504,
 )
 _sym_db.RegisterEnumDescriptor(_MESHCONFIG_AUTHPOLICY)
 
+_MESHCONFIG_ACCESSLOGENCODING = _descriptor.EnumDescriptor(
+  name='AccessLogEncoding',
+  full_name='istio.mesh.v1alpha1.MeshConfig.AccessLogEncoding',
+  filename=None,
+  file=DESCRIPTOR,
+  values=[
+    _descriptor.EnumValueDescriptor(
+      name='TEXT', index=0, number=0,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='JSON', index=1, number=1,
+      options=None,
+      type=None),
+  ],
+  containing_type=None,
+  options=None,
+  serialized_start=1506,
+  serialized_end=1545,
+)
+_sym_db.RegisterEnumDescriptor(_MESHCONFIG_ACCESSLOGENCODING)
+
 
 _MESHCONFIG_OUTBOUNDTRAFFICPOLICY = _descriptor.Descriptor(
   name='OutboundTrafficPolicy',
@@ -130,8 +152,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=1144,
-  serialized_end=1325,
+  serialized_start=1224,
+  serialized_end=1405,
 )
 
 _MESHCONFIG = _descriptor.Descriptor(
@@ -247,63 +269,70 @@
       is_extension=False, extension_scope=None,
       options=None, file=DESCRIPTOR),
     _descriptor.FieldDescriptor(
-      name='default_config', full_name='istio.mesh.v1alpha1.MeshConfig.default_config', index=15,
+      name='access_log_encoding', full_name='istio.mesh.v1alpha1.MeshConfig.access_log_encoding', index=15,
+      number=27, type=14, cpp_type=8, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None, file=DESCRIPTOR),
+    _descriptor.FieldDescriptor(
+      name='default_config', full_name='istio.mesh.v1alpha1.MeshConfig.default_config', index=16,
       number=14, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       options=None, file=DESCRIPTOR),
     _descriptor.FieldDescriptor(
-      name='mixer_address', full_name='istio.mesh.v1alpha1.MeshConfig.mixer_address', index=16,
+      name='mixer_address', full_name='istio.mesh.v1alpha1.MeshConfig.mixer_address', index=17,
       number=16, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=_b("").decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       options=_descriptor._ParseOptions(descriptor_pb2.FieldOptions(), _b('\030\001')), file=DESCRIPTOR),
     _descriptor.FieldDescriptor(
-      name='outbound_traffic_policy', full_name='istio.mesh.v1alpha1.MeshConfig.outbound_traffic_policy', index=17,
+      name='outbound_traffic_policy', full_name='istio.mesh.v1alpha1.MeshConfig.outbound_traffic_policy', index=18,
       number=17, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       options=_descriptor._ParseOptions(descriptor_pb2.FieldOptions(), _b('\030\001')), file=DESCRIPTOR),
     _descriptor.FieldDescriptor(
-      name='enable_client_side_policy_check', full_name='istio.mesh.v1alpha1.MeshConfig.enable_client_side_policy_check', index=18,
+      name='enable_client_side_policy_check', full_name='istio.mesh.v1alpha1.MeshConfig.enable_client_side_policy_check', index=19,
       number=19, type=8, cpp_type=7, label=1,
       has_default_value=False, default_value=False,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       options=None, file=DESCRIPTOR),
     _descriptor.FieldDescriptor(
-      name='sds_uds_path', full_name='istio.mesh.v1alpha1.MeshConfig.sds_uds_path', index=19,
+      name='sds_uds_path', full_name='istio.mesh.v1alpha1.MeshConfig.sds_uds_path', index=20,
       number=20, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=_b("").decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       options=None, file=DESCRIPTOR),
     _descriptor.FieldDescriptor(
-      name='sds_refresh_delay', full_name='istio.mesh.v1alpha1.MeshConfig.sds_refresh_delay', index=20,
+      name='sds_refresh_delay', full_name='istio.mesh.v1alpha1.MeshConfig.sds_refresh_delay', index=21,
       number=21, type=11, cpp_type=10, label=1,
       has_default_value=False, default_value=None,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       options=_descriptor._ParseOptions(descriptor_pb2.FieldOptions(), _b('\030\001')), file=DESCRIPTOR),
     _descriptor.FieldDescriptor(
-      name='config_sources', full_name='istio.mesh.v1alpha1.MeshConfig.config_sources', index=21,
+      name='config_sources', full_name='istio.mesh.v1alpha1.MeshConfig.config_sources', index=22,
       number=22, type=11, cpp_type=10, label=3,
       has_default_value=False, default_value=[],
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       options=None, file=DESCRIPTOR),
     _descriptor.FieldDescriptor(
-      name='enable_sds_token_mount', full_name='istio.mesh.v1alpha1.MeshConfig.enable_sds_token_mount', index=22,
+      name='enable_sds_token_mount', full_name='istio.mesh.v1alpha1.MeshConfig.enable_sds_token_mount', index=23,
       number=23, type=8, cpp_type=7, label=1,
       has_default_value=False, default_value=False,
       message_type=None, enum_type=None, containing_type=None,
       is_extension=False, extension_scope=None,
       options=None, file=DESCRIPTOR),
     _descriptor.FieldDescriptor(
-      name='trust_domain', full_name='istio.mesh.v1alpha1.MeshConfig.trust_domain', index=23,
+      name='trust_domain', full_name='istio.mesh.v1alpha1.MeshConfig.trust_domain', index=24,
       number=26, type=9, cpp_type=9, label=1,
       has_default_value=False, default_value=_b("").decode('utf-8'),
       message_type=None, enum_type=None, containing_type=None,
@@ -316,6 +345,7 @@
   enum_types=[
     _MESHCONFIG_INGRESSCONTROLLERMODE,
     _MESHCONFIG_AUTHPOLICY,
+    _MESHCONFIG_ACCESSLOGENCODING,
   ],
   options=None,
   is_extendable=False,
@@ -324,7 +354,7 @@
   oneofs=[
   ],
   serialized_start=155,
-  serialized_end=1436,
+  serialized_end=1557,
 )
 
 
@@ -361,8 +391,8 @@
   extension_ranges=[],
   oneofs=[
   ],
-  serialized_start=1438,
-  serialized_end=1531,
+  serialized_start=1559,
+  serialized_end=1652,
 )
 
 _MESHCONFIG_OUTBOUNDTRAFFICPOLICY.fields_by_name['mode'].enum_type = _MESHCONFIG_OUTBOUNDTRAFFICPOLICY_MODE
@@ -372,12 +402,14 @@
 _MESHCONFIG.fields_by_name['ingress_controller_mode'].enum_type = _MESHCONFIG_INGRESSCONTROLLERMODE
 _MESHCONFIG.fields_by_name['auth_policy'].enum_type = _MESHCONFIG_AUTHPOLICY
 _MESHCONFIG.fields_by_name['rds_refresh_delay'].message_type = google_dot_protobuf_dot_duration__pb2._DURATION
+_MESHCONFIG.fields_by_name['access_log_encoding'].enum_type = _MESHCONFIG_ACCESSLOGENCODING
 _MESHCONFIG.fields_by_name['default_config'].message_type = mesh_dot_v1alpha1_dot_proxy__pb2._PROXYCONFIG
 _MESHCONFIG.fields_by_name['outbound_traffic_policy'].message_type = _MESHCONFIG_OUTBOUNDTRAFFICPOLICY
 _MESHCONFIG.fields_by_name['sds_refresh_delay'].message_type = google_dot_protobuf_dot_duration__pb2._DURATION
 _MESHCONFIG.fields_by_name['config_sources'].message_type = _CONFIGSOURCE
 _MESHCONFIG_INGRESSCONTROLLERMODE.containing_type = _MESHCONFIG
 _MESHCONFIG_AUTHPOLICY.containing_type = _MESHCONFIG
+_MESHCONFIG_ACCESSLOGENCODING.containing_type = _MESHCONFIG
 _CONFIGSOURCE.fields_by_name['tls_settings'].message_type = networking_dot_v1alpha3_dot_destination__rule__pb2._TLSSETTINGS
 DESCRIPTOR.message_types_by_name['MeshConfig'] = _MESHCONFIG
 DESCRIPTOR.message_types_by_name['ConfigSource'] = _CONFIGSOURCE